- Видео 26
- Просмотров 132 712
Rebekah the UK Plant Doctor
Добавлен 6 июн 2023
I’m a UK-based plant health scientist with a PhD in plant science. I want to help demystify plant health problems in your garden, and give you the knowledge to identify common UK pests and plant diseases.
In addition to my doctorate degree, I have over a decade's experience in the plant health profession, and an RHS level 3 diploma in horticulture. My plant health research has been published in many scientific journals.
Highlights of my career include overseeing the development and build of the Plant Health garden at the RHS Chatsworth Flower Show in 2018, and inspecting high-risk plants at the RHS Chelsea Flower Show.
That means I know all about diagnosing sick plants, pests, and diseases; and I want to help you make your garden healthy.
In my videos, I’ll let you know when you might want to take action in your garden - and when you can just sit back and enjoy the beauty and diversity of nature. 🌸
In addition to my doctorate degree, I have over a decade's experience in the plant health profession, and an RHS level 3 diploma in horticulture. My plant health research has been published in many scientific journals.
Highlights of my career include overseeing the development and build of the Plant Health garden at the RHS Chatsworth Flower Show in 2018, and inspecting high-risk plants at the RHS Chelsea Flower Show.
That means I know all about diagnosing sick plants, pests, and diseases; and I want to help you make your garden healthy.
In my videos, I’ll let you know when you might want to take action in your garden - and when you can just sit back and enjoy the beauty and diversity of nature. 🌸
Red lily beetles: 4 ways to stop them from eating your lily leaves (Lilium spp.)
The scarlet lily beetle, known in Latin as Lilioceris lilii, is a beetle on a mission to munch your lilies!
Also called the red lily beetle, or the lily leaf beetle; these gorgeous red terrors can wreak havoc on the lilies and fritillaries in your garden.
The adult lily beetle has a slightly dimpled, shiny bright red wing-case, and black head and legs. Whereas the small, pale-orange larvae hide themselves in a brown mess, made of their own excrement.
If your lilies are being eaten by these mighty munchers, I give you four simple solutions to protect your lily plants and prevent damage. If you prefer to avoid potentially harmful pesticides, there are organic alternatives available to use.
⌚ ...
Also called the red lily beetle, or the lily leaf beetle; these gorgeous red terrors can wreak havoc on the lilies and fritillaries in your garden.
The adult lily beetle has a slightly dimpled, shiny bright red wing-case, and black head and legs. Whereas the small, pale-orange larvae hide themselves in a brown mess, made of their own excrement.
If your lilies are being eaten by these mighty munchers, I give you four simple solutions to protect your lily plants and prevent damage. If you prefer to avoid potentially harmful pesticides, there are organic alternatives available to use.
⌚ ...
Просмотров: 80
Видео
How to Stop Cabbage White Caterpillars Eating Your Brassica Crops
Просмотров 125Месяц назад
Cabbage white caterpillars quickly munch their way through your brassica crops, cabbages, broccoli, brussel sprouts, turnips, radish, and kale, and related flowers, like nasturtium and stocks. Leaving only the tough central leaf veins behind, the caterpillars will devour your highly anticipated and much wanted crop. Cabbage white caterpillars, known outside of Europe as the ‘imported cabbagewor...
How to Identify and Treat Hollyhock Rust: Prevent Pustules and Holes on Your Hollyhocks
Просмотров 1982 месяца назад
Hollyhocks add charm and cottage beauty to any garden. Hollyhocks, known in latin as Alcea rosea, self-seed readily. And, they’re obliging plants, popping up everywhere in the garden. But do the stately spires of YOUR hollyhocks look a bit TATTY? The damage on the leaves of your hollyhock is most likely caused by hollyhock rust fungus, or Puccinia malvacearum. This rust fungus causes hundreds o...
Capsid Bugs: Solve Distorted, Tattered Holes in Rose Leaves
Просмотров 1083 месяца назад
Have you spotted torn, holey, distorted or tattered leaves on your rose plants? And are you unsure what may have caused these symptoms. Was it a beetle? A caterpillar? Or even a disease causing the problem on your rose plant? The most frequent culprits of wonky leaves and peppered holes on rose leaves are capsid bugs. I show you how to identify the damage on roses caused by capsid bugs feeding ...
How to Identify and Treat Rose Black Spot Fungus, Diplocarpon rosae
Просмотров 3753 месяца назад
Rose black spot disease, caused by the fungus Diplocarpon rosae, is THE MOST common disease of roses. The rose black spot fungal infection starts out as unsightly, black or dark purple, feathery-edged splotches and marks on the leaves. The leaf surrounding the black spots, then turns a bright yellow colour and these infected leaves fall off the rose plant prematurely. This loss of leaves is not...
Home Soil Test Kits vs. Lab Tests: What You Need to Know
Просмотров 2504 месяца назад
Have you ever heard a gardening celebrity say ‘you should test your soil’? Soil testing is often recommended - with the implication that testing your soil will radically improve the growth of your garden! But is this statement really true? Are soil tests worth it? In this video we’ll take a quick dig into the fundamentals of soil testing. What’s the point of soil testing? What are you actually ...
How to Identify and Cure Box Tree Caterpillar (Boxwood)
Просмотров 7505 месяцев назад
Box tree caterpillars can eat their way through your box / boxwood plant in just one week, leaving your box plant brown, leafless and in poor health. The troublesome box tree caterpillar (Cydalima perspectalis) was first confirmed munching garden box (Buxus) plants in the UK in 2011. Since then the box tree moth has rapidly spread across the country, leaving in its wake a trail of troubled topi...
Pick The Right Allotment: A Plant Scientist's Perspective
Просмотров 2016 месяцев назад
You put your name on an allotment list and you wait… and you wait…until one day you get the phone call! You’re finally at the top of the allotment waiting list! But there’s more than one plot of land to choose from? How do you know which allotment plot to pick? In this video I show you how to assess an allotment plot from two perspectives. Firstly - the human component - does the potential plot...
How to Identify and Cure Box Blight Fungus (Boxwood Blight)
Просмотров 9 тыс.7 месяцев назад
The devastating Box Blight fungus - known as Boxwood Blight in the US - can appear seemingly out of nowhere and quickly defoliates a box (Buxus spp.) plant. As the disease progresses the leaves turn brown and fall to the ground, leaving an ugly patch of bare stems. Certainly not what you want for your clipped topiary or tidy hedge! I’ll show you three crucial symptoms you can use to correctly i...
Seed Germination Test: Will REALLY Old Plant Seeds Grow?
Просмотров 87 тыс.8 месяцев назад
Have you found a packet of long forgotten flower or vegetable seeds and wondered if they are worth sowing in your garden? You won’t find a definite answer to this seed conundrum online. In order to find out if your seeds are still alive and viable you will need to carry out your own germination test. Here I show you how to test the germination rate of your own seeds using just a paper towel, so...
How to Identify and Cure Apple Canker Disease, Neonectria ditissima
Просмотров 5 тыс.9 месяцев назад
Winter is the perfect time to prune your apple tree. But what’s this?! As you are pruning the bare apple tree branches you spot damaged and split bark, and small sunken dark-brown areas with flaky bark. Is this a disease on your apple tree, and should you worry? How do you know if it will kill your apple tree? And what can you do about it? The cankers on the branches of your apple are most like...
How to Identify and Treat Brown Rot Disease on Apple and Plum Trees (Monilinia)
Просмотров 2,9 тыс.9 месяцев назад
You may have noticed pale brown and cream, cushion-like fluffy pustules on the surface of brown rotting fruit in your garden. What’s causing the problem? How can you fix it? In the UK, these symptoms are most likely caused by brown rot. Whilst brown rot will not kill your tree, this nasty disease can certainly destroy your crop of fruit. So what you can do to save your fruit trees? This video s...
How To Identify And Control Vine Weevils: Stop Them Destroying Your Garden Plants
Просмотров 3,4 тыс.10 месяцев назад
Vine weevils, also known by their latin name Otiorhynchus sulcatus, are one of the relatively few insects in the UK which can actually KILL your garden plants! So if you want to keep your garden plants alive, it’s crucial that you can recognise the damage caused by both vine weevil adults and vine weevil larvae. In this video, I share the plants which are typically attacked by vine weevils and ...
How to Identify Dahlia Viruses and Prevent Virus Infection from Destroying Your Plants
Просмотров 3,4 тыс.11 месяцев назад
Dahlias provide a welcome splash of colour in your allotment or garden border, but frustratingly they can become infected with a number of different plant viruses. You can tell if your dahlia has a virus infection by looking at the symptoms on your dahlia plant. Dahlias which are infected with a virus often have yellow leaf veins or yellow mosaic, mottled, or circular markings on their leaves. ...
How to Treat And Cure Quince Leaf Blight Infection (Diplocarpon mespili)
Просмотров 1,5 тыс.Год назад
Quince trees (Cydonia oblonga) and their fruits can fall foul of a fungus called Diplocarpon mespili, which causes a disease known as quince leaf blight, also known as Entomosporium leaf spot. In this video, I'll show you what's wrong with your quince tree, the symptoms of quince leaf blight, and two simple methods to prevent and reduce quince leaf blight infection in future years. As with all ...
How to Identify and Cure Late Blight of Tomato (Phytophthora infestans)
Просмотров 1,2 тыс.Год назад
How to Identify and Cure Late Blight of Tomato (Phytophthora infestans)
Spots on your Snapdragons? How to Identify and Control Antirrhinum Rust Fungus (Puccinia antirrhini)
Просмотров 1,2 тыс.Год назад
Spots on your Snapdragons? How to Identify and Control Antirrhinum Rust Fungus (Puccinia antirrhini)
Apple Scab Disease: How to Spot Symptoms of Venturia inaequalis in Late Summer in the UK
Просмотров 785Год назад
Apple Scab Disease: How to Spot Symptoms of Venturia inaequalis in Late Summer in the UK
How To Cure Botrytis Blight on Roses: Identify the Disease and Save Your Flowers!
Просмотров 2,4 тыс.Год назад
How To Cure Botrytis Blight on Roses: Identify the Disease and Save Your Flowers!
How to Identify and Control Large Rose Sawfly
Просмотров 871Год назад
How to Identify and Control Large Rose Sawfly
How Small Ermine Moth Caterpillars Create White Webbing on UK Hedges
Просмотров 338Год назад
How Small Ermine Moth Caterpillars Create White Webbing on UK Hedges
A Sticky Garden Hedge? Woolly Beech Tree Aphids Explained
Просмотров 264Год назад
A Sticky Garden Hedge? Woolly Beech Tree Aphids Explained
How To Solve The Mystery of Virus-Like Yellow-Green Spots on Buddleia Leaves (Aphids)
Просмотров 4 тыс.Год назад
How To Solve The Mystery of Virus-Like Yellow-Green Spots on Buddleia Leaves (Aphids)
How To Identify and Cure Apple Scab Disease, Venturia inaequalis
Просмотров 5 тыс.Год назад
How To Identify and Cure Apple Scab Disease, Venturia inaequalis
How To Identify and Treat Pocket Plum Disease, Taphrina pruni, In Your Garden
Просмотров 1,4 тыс.Год назад
How To Identify and Treat Pocket Plum Disease, Taphrina pruni, In Your Garden
Hello, have you ever tried germinating using hydrogen peroxide? I've seen people use hydrogen peroxide to germinate really old seeds (but they were not clear with the ratio) and I want to try them.I have seeds from 2020 but some of them I've planted like more than 5 seeds per unit in a seed tray but no luck with germination. I'd like to know exactly the ratio of water and hydrogen peroxide to germinate old seeds if you know any information about it.
Hello, it’s not something I use regularly, but it seems as though 2-6% hydrogen peroxide for up to 12 hrs is generally considered helpful for many seed types. In the UK we can buy a 3% solution from the pharmacy which can be used as is. But things like temperature and light also play a massive role in germination (I’d say more important than a hydrogen peroxide soak). So double check the recommendations for your seed type. Similarly make sure you have a sieved well draining potting mix for your seeds because clumpy wet potting mix can lead to seed rot. Good luck! 🌸
Where is the pergola filmed ?
Hi Peter, the pergola at the end of the video is a beautiful garden in Wiltshire, called Heale Garden. Well worth a visit if you are in the area! The snowdrops are also stunning there in the spring. There's even a lovely cafe and plants for sale 🌸
Very professional love the ready to plant allotment 😊
Thanks Peter! The new owner of the the ready to plant plot has done a fantastic job with it 🙂🌸
if they drop into the soil, would a barrier over the soil be good?
Hi Patrick, Yes, putting a white sheet below the plant and giving it a gentle shake would be a good way to catch some of the beetles! When they fall they often lie on their back so the red is hidden, which means they are very difficult to spot on the soil. 🌸
Love this! Just found your channel and its exactly what i want/need. Thanks!
Thank you for your kind words! 🌸
Do you have problems with lily beetles on your lilies? If you just want 4 treatment options, jump ahead to 02:10 . Enjoy a lily beetle-free future! 🌸
Thank you, Very clearly narrated. I have just found some larvae in a Huechera pot, first time ever so im about to order some nematode treatment. Which time of year is best though?
If you’ve found vine weevil grubs now and your soil temperature is still above 5C (40F) then I would recommend applying nematodes now, order them as soon as you can. I find Autumn treatments are very effective. You can also apply again in the spring usually around March/April if you spot further grubs. Good luck and happy gardening! 🌸
Wonderful, concise information for the veggie gardener. Very useful for the beginner.
Thank you Magpie! Happy gardening 🌸
Butterflies mean beauty - but they can also be pesky! If, like me, you don't want to squish cabbage white caterpillars, check out my top tip for safe caterpillar rehoming from 3:24! 🌸
Thank you!
No worries, Howard! I hope you can fix the vine weevils! 🌸
Came across this video by chance. Really chuffed I found you. Clear, concise and UK based - 10/10 thank you.
@@kbd5520 thank you! I try to make these videos as clear and helpful as possible so it’s lovely to hear your feedback. Happy gardening 🌸
Hollyhocks can start to look really tatty by late summer. It’s worth pulling up rust-infected hollyhocks as soon as they have finished flowering. Removing infected plants helps to protect younger hollyhock seedlings and helps to break the lifecycle of the fungus. Do you remove rust infected hollyhock plants? 🌸
Are fire blight and leaf blight same disease ??????????
@@raajgan2895 hello Raaj, fireblight and leaf blight are not the same disease. Fireblight is caused by the bacterium Erwinia amylovora and leads to browning and die-back of whole shoot tips. In the case of quince trees, the leaf blight is caused by a fungus (Diplocarpon mespili) and leads to brown spots and blotches on individual leaves, and leaf drop. Hope that helps! 🌸
My garden sparrows devour the little pests The traps also work magic. My two traps caught a dozen moths this spring and none since May.
@@peterloup2302 Hello Peter, that’s great to hear the sparrows are happy to eat your box tree caterpillars! Hopefully our native birds are developing a taste for the box tree caterpillar. Yes, the pheromone traps are very effective at trapping the male moths, it’s good to hear the traps are working for you. Happy gardening 🌸
I think I saw starlings rummaging around in my Box plant when there were caterpillars around.
@@michaelbacon561 Hi Michael, that’s good to hear. In an ideal world we’ll find a balance between the box tree caterpillar and our native birds and other predators. Fingers crossed! 🌸
Great video, very useful, i also watched your video on scab fungus. I wish i had seen these videos a year ago. I will keep a good eye on my apple trees and prune it a bit more to improve air flow.
@@helenemcgregor686 Thanks Helene, I’m glad you found the videos helpful. When you’re pruning your apple tree, keep an eye out for canker as well and prune any cankers out. Good luck with your apple harvest! 🌸
Thank God for this video. I was trying to save my Buxus and I am still trying to. I have also put a mat around the Buxus.
@@ElisabethDampier Hello Elisabeth, I’m glad the video was helpful, good luck saving your Buxus 👍🌸
So what do i treat my fruit trees with to make sure it does not come back. I have removed all the infected fruit. Is there an effective spray?
@@DanLiese-fx6ey Fungicides are a complex topic! Here in the UK you need a professional spray licence to spray fruit trees. The professional operator will provide appropriate advice at point of use. Other countries will have different regulations for spraying so unfortunately I can’t provide specific chemical advice. However, if fungicide sprays for fruit trees are legally available where you live, the general principle for treatment of brown rot is to spray once in the spring when approximately 10% of blossoms are open. This helps to prevent the blossom wilt fungus which later causes brown rot. Then spray again approximately 4 weeks prior to first fruit harvest to prevent brown rot on ripening fruit. Hope this helps 🌸
I struggle with so much weevil damage on my plants here in western Washington state. The moles and deer are wrecking absolute havoc this year too. It has been somewhat demoralizing to spend countless hours and a fair bit of money only to have so much of it destroyed. I don’t have any potted plants btw. They’re eating and killing my in-ground plants I will look into nematodes. But I’m doubtful it will be practical to treat such a large area
@@WoodlandT So sorry to hear you’re having such trouble with vine weevils (and moles and deer!). As you say it can be so demoralising to see your plants being destroyed. There are also traps for adult vine weevils available with biocontrol nematodes in, I think it may be worth investigating whether you can purchase those in Washington State. The adult traps may help to break the lifecycle of the vine weevils for you. Good luck, 🌸
Thank you for the video! What if there is canker on the tree trunk close to the soil? I hope I don't have to chop my whole tree down!
@@lamaestro3143 you’re welcome! Unfortunately canker on the trunk near the base is very hard to treat. If it’s a small shallow canker you may be able to cut out the infected wood but still keep the tree alive. But for a larger canker the tree may not survive any treatment. You’ll need to weigh up risks in your garden. Do you have other apples which are healthy right now? In which case you may want to act to protect them. If it’s your only apple tree then you can watch and wait. Trees can survive a long time with canker, although will decline over time. You also want to monitor the safety/stability of the tree as it declines. Good luck 🌸
Roses are beautiful, but they certainly keep you on your toes! Do you worry if you find wonky, holey rose leaves? Or do you appreciate the extra wildlife in your garden? 🌸
Very informative. Thank you very much
@@tiffanyvang1085 I’m so glad it was helpful, happy gardening! 🌸
what treatment do you recommend for the caterpillar infestation?
@@simonacoja I have a video about how to identify and cure the caterpillar if you go on my channel > playlists > box plant and hedge health. The biological control products (Bacillus thuringiensis) are most effective. If you’re still stuck get back to me 🌸
BTK applied every 10 days starting in spring
Do you have Gallica and Rugosa roses? And do you notice fewer leaves infected with blackspot? 🌸
Oh no my Dahlias have a viral infection because they are short
@@organicgardenmamavictoriab2768 There are lots of other reason dahlias can be small, lack of nutrients, drought, shade, or they may have been eaten by slugs or snails! My dahlias this year are also small because the slugs keep eating their growing tips. Virus infection will usually also have the other symptoms of yellow marks on the leaves and leaf distortion alongside the short growth. Happy gardening 🌸
Fantastic video!! Really! So informative
@@samatronn Thank you Samantha, I’m glad you found it informative. Wishing you happy gardening 🌸
I have a row of Portuguese Laurel hedging planted in the ground and vine weevil ran amok.
@@brenbrady Hi Brendan, sorry to hear about your Portuguese Laurels, unfortunately adult vine weevils do seem to love them. You can use the biological nematode control in the ground/soil below the plants as well as in pots. Best times to treat are mid to late summer and autumn. Good luck and happy gardening 🌸
Thank you so much for this informative video. I discovered a sunken lesion on my Enterprise tree last night and had deduced it is likely canker. The canker is in a large leading branch off the main trunk, so it will be a significant cut, but I know it's needed. Is winter the only appropriate time to cut out the infected wood? I am worried about it spreading to the nearby trees in the coming summer and winter if I leave it. I live in a hot, humid climate (eastern Tennessee, USA).
Hello Angela, I’m glad you found the video helpful. The canker can produce spores in summer and winter, so the longer it is in place the higher the chance of infection spreading to other apple trees nearby. However, summer pruning on apples is usually focussed on removing thin leggy growth, and making a significant cut in summer carries more risk for the tree. Having said that, the canker is also damaging the tree. So for me, balancing the risk of the two options, I’d personally go ahead and cut out the canker now. Prune in dry weather and clean your tools before and after each cut. Good luck 🌸
@@rebekahtheukplantdoctor Thank you so much for your reply, advice, and encouragement. I'd like to take it out sooner rather than later, too, especially given the risk to our other nearby apple trees that now have fresh cuts on them from summer pruning. We have a stretch of predicted dry days this week, so I'll go out and take care of it tonight. Thank you for providing me with the confidence to do so now!
I'm sad to report that the tree is a loss, as the diseased tissue was present going down into the main trunk, even when I stump-cut it at only about 12" tall. I'm glad to know now to take it out, though, lest it infect other nearby trees.
@@ahoffman1979 Angela, I’m sorry the tree is a lost cause, it’s always sad to lose a tree. As you say, the good news is that you spotted the canker and have taken the right action to reduce the risk to your other trees. Make sure you take a good look at your other apple trees this winter and prune out any small cankers you spot. Good luck 🌸
@@rebekahtheukplantdoctor Thank you again for the advice and encouragement. It was sad to lose the tree, especially so because we only have four apples (now three) and just ventured into them three years back. However, now that I know what to watch for, I hope I'll catch it more quickly if it recurs, and I will check the remaining three for canker in the winter. Best wishes!
I use mycorrhizae and trichoderma in soil when I planting tomatos. If the phatogene strike, I spray water with a 5% sulution of water, bacterial species and tricoderma on whole olant. Works well.
Beneficial microbes are amazing aren’t they. There’s so much we still don’t fully know about how microbes interact with each other, and so much potential for prevention and treatment of diseases. It’s great to hear that this works for you, thanks for sharing! Happy gardening 🌸
Do the makers of the soil testing kit also make the fertilisers you would add from the results 😝 Are the pH meters you can buy for soil accurate?
Great questions Melanie! A little digging into the brand of test I used here would indicate that they don’t supply or produce fertiliser. So no apparent conflict of interest for this particular brand. But I can’t speak for all brands. The probe style soil pH meters can give accurate results, but they require the probes to be cleaned correctly and the soil to have just the right level of moisture. So they are often unreliable. I’d recommend buying pH test strips designed for soil, or getting the analysis from a certified soil laboratory. Happy gardening 🌸
Very clear and concise without unnecessary padding. Thank you so much. A new subscriber 😊
Thank you Joanne! I put lots of effort into making my videos as helpful and as quick as possible - so lovely to hear your feedback! 🌸
I wonder how close soil tests from various testing labs would be? I'm not surprised the home test suggested you were low on macronutrients, after all, it's made by a company selling them. We have a soil test option that also checks for contaminants such as lead, which is something to consider if you live in an old property like ours. A very nice video, Cheers!
Thanks Gerry, that’s a good point. In this case I used an accredited soil laboratory, so I hope the results are as accurate as they can be. However, of course the results will only be as representative as the soil sample I provided! That’s another problem with the home kits, you only test a tiny scoop of soil, so it’s not a good representation of the whole soil sample. Thanks, yes, a heavy metal test is certainly worthwhile for soil next to old properties or near old industrial areas. Happy gardening! 🌸
I've got something that I've never seen before it's like a mass of flower inhibition so the flowers will not open on butterfly bush it's a big bush and only a few have escaped the dreaded aphid? Attack
That sounds very frustrating Alistair. We have had a very bad year for pests and diseases this year. I’ve seen a lot more aphids on my buddleia this year, and many more distorted leaves than last year. If your aphid infestation is very bad then yes it may be damaging the flower buds. The other option may be a fungal disease with all the wet weather we’ve had. 🌸
Have you found different conclusions with soil test kits? And do YOUR pets get in the way of your gardening experiments? 🐈 (See what I mean at 5:52)! 🌸
The ones near me look far worse than that ..but no sighn of aphids or ants ..theyve been like it for a while now ..months ..
Yes, mine look even worse this year as well! The aphids move on to other plants fairly quickly, so you won’t spot them or the ants now. Unfortunately the distorted leaves stay on the plant through the whole season, so you will see the leaf symptoms until leaf fall. I know a number of commercial nurseries sent samples be tested for viruses last year as they were concerned, and all the tested buddleia plants were virus free. So although the symptoms are dramatic the consensus is still that aphids are the cause! 🌸
Thank you for your video. I’ve got a question. ALL Dahlia leaves are the same? All varieties.
Good question. Virus symptoms will vary slightly depending on the cultivar and depending on the virus causing the infection. Dark leaved dahlias for example may show different leaf colouration. However, if you see distorted leaves, different colours on the leaves (often yellow and sometimes ring shapes), and stunted growth of the plant, then virus is the likely cause. 🌸
I think I have diseased dahlias, but since they're in their own individual containers and not a threat to my other flowers, I'm going to keep them for now and see how the flowers turn out in all their mutant glory.
That sounds like a good balance of caution and experimentation, Emgee! There are so many different viruses and diseases, if we threw out every infected plant we wouldn’t have any flowers left! Just remember that insects and tools can spread diseases between plants, so if you do have other healthy dahlias keep them at a distance and clean your tools. Good luck with your dahlias 🌸
@rebekahtheukplantdoctor Thank you. The dahlia plant is already hip-tall and has buds, and I'm excited to see the color despite how questionable some of the leaves look.
Despite being in individual containers, diseases can still spread to other plants.
Rebekah, A few years ago I had spider mite (little red spiders) which made the leaves turn yellow all over and sag and shrivel. I had to spray the plant. I thought I had the same problem, but it's not all the leaf that turns yellow. It seems I don't need to spray it, is that correct? I noticed the ants this time which weren't there when spider mite was a problem... So Its a pity they don't eat the aphids that would be pest control in itself. If I don't have to do anything that's great. I hate spraying when there are ants and normal spiders using the plant as a web holder.
Hello Cathy, the ants on your buddleia would certainly indicate aphids are causing the yellow spots on the leaves this time. Buddleias are usually pretty vigorous (unless it’s a very young plant), so no need to treat the aphids. The aphids will disappear soon naturally and the plant will recover just fine. Happy gardening 🌸
Thanks for sharing
You're welcome Tom! 🌸
Arrrrgh....I was attacked by vine weevils last year....treated everything with nematodes....vine weevils disappeared....but now they're back again this year. Have just used nematodes again. What else can I do this summer to get rid of them for good????
Unfortunately I find you do have to treat with nematodes every year (and sometimes twice a year!). Vine weevil adults will come into your garden from other gardens and the local area, so sadly you can’t eliminate them forever. They’re definitely one of the most frustrating creatures I encounter! 🌸
@@rebekahtheukplantdoctor I have a balcony garden….everything is in pots….but even then, I doubt I will get rid of them without throwing out all my plants and soil and starting again!
@@Calicokit101although vine weevils don’t fly, they can climb a long way. I hope you can control them this year, good luck 🌸
My delhia has a dust like substance in it leaves does it mean it has a virus?
Hi Jolie, if the powdery substance is white, then it's most likely powdery mildew fungus. Powdery mildew fungus is quite common on dahlias and they are often able to tolerate it and carry on growing, so no need to remove the plants. You can help the infected plants cutting out the worst of the infected branches, by spacing the plants a bit more widely and allowing more airflow through the plants, and watering at the base rather than overhead. If you want to use a fungicide then its best to check what's available in a garden centre near you. I hope this helps, 🌸
Hi, First, I would like to express my deep appreciation for your videos and educational content. I was wondering if you have an Instagram or email where I can send pictures of the leaves of the two small quince trees I purchased two months ago. They seem to be suffering from some problems and need urgent diagnosis. I keep them indoors in very large pots, and they are two years old. I have tried fertilizer, two different fungicides (copper-based and fatty acid-based), and have read many pages online. To provide different environments, I moved one of the pots to the outdoor yard one month ago, but even that one got worse. Could you please let me know how I can send pictures of these two lovely little trees so that this might be the last chance to save them? Thank you very much, and I look forward to hearing from you.
Hello Aryaz, I’m sorry I’m not able to provide advice via email right now, but if you’re able to take a video and post it on your own channel then do let me know by commenting back here on this video, and I’d be happy to take a look. In the meantime, it sounds like your quince trees have been living indoors in their pots for a while and I suspect this may be the root of the problem. It’s very hard to have sufficient light levels indoors for trees like quince to thrive. Plants indoors are also more susceptible to pests like spider mites and thrips which can cause mottled leaves, yellowing and poor growth. I’m not sure where you’re based, but if you are able to take a sample or photograph to a garden centre then they often have staff who can provide advice. If you’re in the US then try to find a local extension service master gardener as they are great at providing advice. I hope you can find the solution! 🌸
@@rebekahtheukplantdoctor Hello, Thank you for your prompt and helpful response. I appreciate your advice and understand your limitations regarding email. I do not have any RUclips channel, so I have uploaded the pictures from one of the two little quince trees to a Dropbox link for you to review: Dropbox Link Click Please kindly note that I have labeled four pictures as "BACK of leaf" as the front and back of the leaves have different features. The back of the leaves contains very tiny dark dots that are not visible when looking at the front side of the same leaves. To provide some context, I am based in Windsor, Ontario, Canada. Unfortunately, quince is considered an exotic fruit in North America, and local gardeners are often unfamiliar with it. This makes finding knowledgeable advice a bit challenging. As a professor and scientist in medical imaging, I admit that I am not very familiar with horticulture. This is my first time trying to care for any plants, and I purchased them just two months ago. Thank you again for your assistance. I look forward to any insights you may have. Best regards, Ary
@@AryazB. Hello Aryaz, I’m sorry RUclips deletes external links so that’s not working for me. I think I’m going to struggle to diagnose without the images. However, if you’ve only had the plants two months then they’re probably still adjusting to being potted up. Plants often look a bit sad as they are establishing. Quince (Cydonia) trees should grow ok outdoors in Canada, so I think moving them outside is the best step. Check that the pots are freely draining and water thoroughly once or twice a week through the summer, rather than more frequent small amounts of water. You may find that they drop a few leaves as they adjust but hopefully new leaves will look healthier. If you have a Reddit account then you could try posting your pics in the plantclinic sub, see what advice people give there. Good luck 👍🌸
So will the flowers still grow? Or should we spray them with something?
No need to worry about treating it, the aphids themselves seem to disappear before the plant flowers. The buddleia in this video flowered beautifully despite having these symptoms on many of the leaves. 🌸
@@rebekahtheukplantdoctor Thank you! That's a relief, I don't want to miss all the butterflies!
@@LauraGomez-bl2so You're very welcome! I hope they are covered in butterflies for you 🌸
Thanks Rebekah! Panicing much less now 🤣 My wife might just get her berries, currants and pears after all ❤️
I think we have this, but also aphids? Are we safe planting other fruit in the same garden or will it spread?
Good question! The pocket plum fungus and the plum leaf curl aphid will both only infect/infest plums, damsons, sloes and closely related stone fruit. This means that other fruit such as apples, pears and berries won’t catch these particular problems from your plum tree. So, yes, you are safe to plant most other fruit. 🌸
I pulled out all of my snapdragons due to rust last year. This year I planted a few testers, they also got rust and very quickly. Is there a way to treat the soil?
The rust fungus usually survives on fallen plant material rather than the soil itself. So there’s no effective way to treat the soil. I find the best method is to put a nice thick layer of mulch on the soil surface as this buries any fragments of infected plants which may have fallen in the soil. I also find snapdragons self seed easily and the overwintered plants are a source of early spring infection. So it may be worth checking there are no rogue infected plants growing nearby! 🌸
Not helpful at all. I want to know how to treat my infected tree now, end of May not how to rake up infected leaves later. How to choose a resistant tree is irrelevant to my present problem. What fungicide can I use? Would bouillie bordelaise (copper sulphate and chalk) be effective?
I’m sorry you found the video unhelpful, gardening is a year to year process and often the best control measures are season dependent. Bordeaux mixture was widely used in the past for the control of a range of different bacterial and fungal diseases. However, copper based fungicides were found to be harmful to soil microbes and earthworms and hence they were withdrawn for almost all uses across the EU and UK. This has created a gap in the market and there are now no fungicides I can legally recommend gardeners use on their fruit trees. You will need to check with a local professional to confirm which plant protection products are available in your locality. 🌸
Why not find a box plant near you, and see if you can find any box tree caterpillars? You might not have to look for long! 🌸
I have exactly same problem with my plum but is doing that every year ! I never took them off the tree tho as I didn’t know that !
Hi YT - yes, if you can, it's always worth taking the infected pocket plums off the tree to reduce fungal spores. 🌸
Fantastic Information! 😃I have been researching what's wrong with our boxwood hedges throughout the yard here in Western Washington State, US. This may be the culprit, I am not certain, but the next day I am out in the garden, I will check for the blight or caterpillar. (I know our butterfly kind, so no worries in harming them.) I found your channel after watching The Garden Guy, UK channel and he mentioned the BWB and ended up here! We have similar weather so I will be returning here often. Wonderful site! Blessings to you from over here in the great Pacific Northwest! 💛🖤💛 Stacy's Artful Heart
Thank you for your lovely comment Stacy, I’m so glad you found my video helpful. I hope you are able to figure out what’s happening to your boxwood hedges and how to treat them. I’m hoping to finish my next video this week which is about identification and treatment of the box tree caterpillar/moth, so you might find that useful too! Wishing you healthy plants and happy gardening 🌸