Do This to Start Onion Seeds (Indoors)
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- Опубликовано: 9 фев 2022
- Onions are easy to grow in the garden and easy to start from seed. They do require advance planning to choose the right onion variety and when to begin. Knowing when to start onions from seed is one of the topics Gardener Scott discusses as he shows how to sow onion seeds and prepare the seedlings. (Video #337)
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You're like the Bob Ross of gardening. :)
:)
So true! "A pretty little onion over here."
Dead on 🤣
I find him both calming and insightful
Nailed it.
3rd year of starting onion from seed. I basically do it the same way except I use plastic bins with holes in the bottom. I use about 2" to 3" of home made potting soil so I do not have to transplant before putting out in the garden. Started my onions on Jan 1st this year and are about 5" tall, already on their way to sturdy transplants in March. This is probably the best all around onion starting video I've seen, GREAT job Scott!
How much time did you spend in a teaching position? Your delivery and style are second to none! Thank you for this very well done class. Every "RUclipsr" should have to watch this before they start.
Thank you. I was an instructor pilot in the Air Force for many years and have taught gardening classes for nearly 20 years.
@@GardenerScott It shows! Thank you for your service/sacrifice.
So, a few weeks ago I started rosemary in a cardboard egg carton and some onion seeds in a plastic egg carton. I've kept the seeds moist, in the sun, but uncovered. After watching your video I slid the cartons into a clear plastic bag and viola' today SPROUTS appeared.
I won't be using the egg cartons to start my tomatoes and peppers, instead I'll use yogurt cups, but covering the moist seeds to keep the humidity in was the trick I missed previously! Thank you!!!
Oh, I'm at 48° N latitude, and so close to Canada that I say "A" involuntarily...
I grow onions from seed at 36 degrees N latitude, and start quite early; seeds are already in trays. Just about any market with a big produce department packages artichokes, fennel bulb, large tomatoes, and similarly-sized veggies in tall (2.5 to 4") plastic containers that have holes in the bottom and top. The thing that works so well about these containers is the lid. The lid helps contain humidity, helping ensure that the surface of the soil does not dry out. Considering the shallow planting depth and long germination period for onion seed, these tiny greenhouses work really well paired with LED shop lights or grow lights, seeing the seeds through their relatively fragile germination period. Once the seeds are germinated, cut off the lids and keep the soil moist until planting time. So they do not fall over, trim the onion starts at around 6" height until ready to plant outside.
That's exactly what I use for my onions, I use the larger strawberry containers with the holes in the bottom and get hundreds of onions in each container.
All I could find in Canada was onion sets, ended up ordering seeds from overseas last fall, the region they come from is supposed to be long day, so now I cross my fingers and hope and pray. 🤞 I ordered some of the onion sets as well, so I’m hoping some will go to seed, just so that I can collect the seeds for next spring. 🙈😂
Thank You Gardener Scott for the great onion planting information! You explained the process perfectly.
I loved the puppy dog 🐶 appearance in the background! My dog has the same exact chew toy, but my dog has the 'mini' version. I love growing bunching onions {'He Shi Ko' from Baker Creek} , they are the gift that keeps on giving!
You are a great teacher. Both the material and the delivery of that material were outstanding. Thank you so much for taking the time to share your gift.
Kelly
This video popped up in my feed - glad it did! I need to get my onions started and I didn’t know what to do - love your teaching style - thank you !
Thank you for explaining about onions I wish most gardening channels will apply the knowledge obtain this is why I like the history lesson more then just Garden and I love the road trips you take us on
Thank you so much gardener Scott! I am going to try some onions this year for the first time and this was extremely informative and helpful!
I saw this video yesterday night and came right back to it and I am ready to plant my onion seeds. I have exactly 16 weeks left before my estimated first frost. Thanks again for another great tutorial.
I just started a bunch from seed using this method! Thanks as always GS!
Thank you! Just started onion seeds for the first time.
Thanks Scott. You always explain thonks so well. Wish I watched you years ago when we first moved down south. I never knew about short/ long day onions before.
Excellent podcast on starting onions from seed. Thanks again you are the best Scott !
You are my new fav instructor. Well done Sir.
Nicely done Scott. Those cells seem deep enough to grow the plants out until transplant time. I grew 2 varieties of onions in a 10x20 tray last year and that worked pretty well.
Very timely video. Planted mine few weeks back and just started seeing little sprouts. Trying shallots & sweet yellow. Excited to see them coming up
Thanks for sharing. Blessings to you and your family!
first time growing onions from seed and basically did what you did except i have a heat mat under the solid tray with the humidity dome right now because i have cell inserts with peppers as well. definitely looking forward to your follow up video :)
Omgosh! I didn’t even know about the latitude growing issue! I immediately started googling the onions I’ve been growing since January! Luckily I believe they will form bulbs for me!! Lol! I learn so much from you! Thank you!
Such a timely video for me. I wanted to try growing onions from seed this year so purchased a couple of different packets. Now I have to check what I bought and get planting. Had no idea about the time frame needed or the short/medium/long day thing. Goodness, have been gardening for years and there is always a ton more to learn!
I feel the same. Love onions wanted to grow them, but had no idea what it took. This video was very helpful.
I guess you have to ask what kind they are at the store.. cuz i dont know what i got either. 🤔. The little sets at the feed store don't have any info on them.
This was quite helpful information on planting onions. Cheers, Scott!
Well done, my grandad used to always sow his onions from seed. All the best, Hugh
This was such a good video, not boring at all and so informative! I’m excited to grow my own organic onions this year. We used sets last year and half of them grew almost no bulbs, while some grew ridiculously large, even though I live in Alberta Canada and have long days.
Do you want a cute story about onions in my family? They are one of the reasons I started gardening. I knew my family liked onions. I bought a packet of our favorite onion seeds to put in my garden, thinking a hundred or so onions would last us a year. I also realized it would take 6 months for the 100 onions that I planted to bear fruit. I started thinking about how often I use onions every month. I realized 100 would never last me a year. I went to the store and I bought 64 more onion sets. Then I started thinking about all the alternative ways we use onions, - onion powder, onion salt, onion dip, sour cream and onion popcorn, onion cough remedy, etc. I'm thinking I'll be planting 100 every three months!
That's a good story. I'm planning pickled onions for one of my options.
My story isn't so cute. I grew onions from seed for the first time last year. They did so well I didn't know what to do with all of them. I pickled all of the red onions ending up with about 7 quarts in the refrigerator. I loved them - a little too much. I got really sick, ending up in the emergency room with extreme abdominal pain. My intestines were swollen and inflamed. It took over a month to get better. Once I started eating again I slowly added in different foods and found out the raw pickled onions were the culprit. Turns out my brother can't eat raw onions either. He has the same reaction. I'm only growing a few yellow onions this year to use in cooking.
That is a funny story (after you recovered)! I guess it shows how much our intestines like the cooked vegetables more (partially broken down). Sad to know that you cant eat so much of something you love.
I have a friend allergic to alliums,very allergic. Onions, garlic, peppers too. She is okay with denatured onion and garlic powder, though something changes. Sorry you got so sick.
@@karinchristensen220 Are you allergic
This very informative video earned you a supporter. And thank you for sharing your experiences with us.
I didn't know about overwintering onions, but suspected it might be beneficial. Great information!
Thanks so much! Always great info. Can’t wait to get back to Tennessee to start my onion seeds!
great tip on the vermiculite...those gnats drive me nuts, so will do it this year. Did onions from seed last year for the first time, and had a wonderful harvest compared to sets/plants. Also helped to add a fan to blow gentle air over my transplants.
Growing onions this year this was very helpful, thanks 🙏
I started onions from seed last season for the first time. I direct sowed the seeds. I really didn't think they would grow. But they did. We only have a solid 3 months to count on here in NNY Zone 4a. They were not big, a little bigger than my thumb. But my wife was happy because it was the right size to put in the freezer. I'm going to try it again this year. Enjoyed, take care!
Excellent information - Thx!
Luv ur videos! I’ve been trying to get larger bulbs for yrs now🤞🏽 hoping ur method works for me. Thk u & happy growing!
Thank you for all this valuable information
Thanks Scott, Great show. Cheers
I find your videos very inspiring and helpful. Thanks for this channel.
I learned some new things today. Thanks.
Great video. Topping with vermiculite is a great idea that I’ll try this season. Thank you
I loved growing sitting onions last year. Didn't have enough of them though. I grew them from seed and they did great. Thanks for the video. I plan to plant sufficient number of onions this time.
What is a sitting onion? Ty
Great video- Thanks for posting.
BEST onion content ever! Thanks for conveying the info in a way I finally get it 🤦🏻♀️😁
Thrilled to see this video! Got half my onion seeds planted yesterday (2/9) finished the rest today (2/10). My area needs long day. Planted 4 varieties: Walla Walla, Ailsa Craig, Yellow Spanish Sweet, and North Holland Blood Red. For the past 4-1/2 years, I’ve tried to get seeds for Kelsae onions. They keep selling out before I can get any... and WEST COAST SEEDS (Canada) cannot ship to the U.S.
I'm glad I watched this because I was going to say nvm because I'm about a month behind but now I'm going to start them!
Really useful video, thanks!
Planted last week, starting to sprout! I have to cut a bunch to release them from seed!
I always now put vermiculite over my seeds- saved my marriage! When one year I didn't, and I watered too much and fungal gnats were EVERYWHERE. Last year I added the vermiculite and NO GNATS! (Happy non-gardening husband= relieved Master Gardener wife!)
@Becky Pererson, I saw in another channel some bacteria to discuss the planting hole with to prevent fungus gnats. Can't find it. Do you know if this is advisable? Will try vermiculite cover if I can get it... World wide shortage of coarse, at least.
I grew up just a short drive from Walla Walla Washington, where those onions are from. It’s a cute little town! They grow some good wine grapes there too.
Thanks for your interesting summary of onion knowledge. I guess i've never thought so much about day light hours on my plants, but it's a good advice. Fortunately we have pretty long day light in Germany during summertime.
My first onions already have 1-2 inches. 😊🌱
Very interesting, thank you.
Thank you for your helpful video x
I've just got my first allotment (grown in a small garden veg bed previously). I've had struggles with onions putting on more leaf than bulb before. Some good tips here re latitude and types. Thank you.
Nice video!
I used sets last year and had one flower which I seed saved from, and now I have a whole tray waiting to go in the ground at the end of the month which I started on the first of the year. While I am in an intermediate area, the ones I am growing are long day and grew just fine for me as I am close to the long day border area.
Thanks.
Thank you sir
Hi from South Africa! Thank you for the very informative videos. I was looking for the follow up video about planting out onion seedlings, but could not find it.
Sadly, I had some problems and wasn't able to complete that video. I do show some of the process in this video: ruclips.net/video/NmPp3efFydI/видео.html
Thanks!
OK Scott, I'm going to give this a try... 55 degrees... check
I am in long day latitude, yet i succesfully grow short day onions as well: i put them in before the winter so they have time to grow leaves before the length of day hits their bulbing requirements
Thanks for this Scott! We should think about a storing video. Maybe freezing. Just a thought.
In Oklahoma. 36 degree latitude.
Long day right? I’m exactly 11 weeks from my last frost date,
So it’s time for onion seeds! I’ve never done this before!!!
Love this channel!!
You're south of the recommended zone for long day. Intermediate day would probably be better.
thank you for explaining short day/long day. I grow Walla Walla and have been purchasing young plants by the bundle but this year I'll start my own in the house. Latitude 46 or thereabouts
I'm just seeing your video, and I have a package
Excellent information throughout this video. I will definitely try the vermiculite to keep the fungus gnats population lower.
Start with dry mix, add boiling water to mix the soil. The boiling water will kill the fungus knats. You can also use vermiculite
I had a nice tray of onion seedlings back in January, but accidentally left them outside after a sunny day and then had a freeze that night and killed the tray. Although they're typically pretty hardy, seedlings in a container should be keep from freezing. Lost them all. :-( Now, I find out April is really too late to start from seed this year in Seattle. So this year, I'll grow from sets or bulbs. I'll try another round of seeds indoors this coming winter. Great video, Scott! Thanks. Just what I was looking for...
Gardener Scott, I recently viewed a video from Hollis and Nancy Homestead and he recommended putting ground cinnamon on top of new seedings as it is an antifungicide and nontoxic.
Cinnamon does have antifungal properties and may cut down on some fungal diseases and fungus gnats. If you don't have those issues it may be a waste of effort and money. I make my own potting soil with good ingredients and have never needed cinnamon.
I also spray the inside of the dome
I have used the pencil method for years with 1/4" deep seeds. Works great! I use it either to poke little holes, or to drag out small "furrows" for larger plantings.
Great information Gardener Scott. I’ve started my long days and plan an starting more this weekend! You touched on it but I’m curious for the bunching onions your thoughts on direct sowing in the garden vs starting inside about 4-6 prior to transplanting? Thanks as always for the great content- Eric
Because they grow faster and don't need big bulbs, bunching onions can be direct sown and usually give good results.
💚 Love your videos and thanks for your time spent doing them! I'm in Arizona 🎋 and my whole garden is germinating/growing inside right now. Last frost date is April 8th. Wondering 🤔 how close should my grow lights be to the seedlings? 🤔
Most grow lights should be just a few inches above the plants. Very strong lights can be a little higher. The plants will talk to you. If the stems get long and thin they're telling you the light needs to be closer and/or stronger.
I really enjoy listening to you. You are so detailed, easy to understand. What kind of potting soil do you use when y transplant peppers and tomatoes? I have Miracle-Gro grow potting soil. Can i use that for potting up?
Thanks! I make my own potting mix. Miracle-Gro works for many people. Here's how I do it: ruclips.net/video/k1ovhhJriJI/видео.html
Here's you some good news for today.
I started a new job last week at a Jorgensen log homes.
I started outside peeling the log bark off the logs using a draw knife.
The owner has a mountain of composted wood chips and bark out behind the shop.
I ask him what he does with it?
He said I let it sit and rot. Do you have a use for it?
😲 I've been hauling it in my 16 foot dump trailer since Tuesday. He lets me use the skid loader to load it. He gives it to me free of charge.
I get home and dump it and get another load the next day after work.
I think I've hauled 5 tons total guesstimate so far and I'm going for more.
This stuff is black gold. It's loaded with earth worms and it's moist soft composted wood bark chips and saw dust pine needles.
I've been gardening Eden method for a while now. It was slowly building up the soil. Now it just got kicked into high gear. My chickens are happy little cultivators and spread it out plus are pooping in it adding nitrogen as they go.
I couldn't believe no one else comes and gets this free compost. If I had to guess there's at least 300 semi truck loads out back of the shop. I'm stocking up as much of it as I can. I can mix this with my animal manure, compost it and just keep going.
If you or anyone else has anything to add please comment below. It's always good to hear from you.
That's great! A lot like leaf mold, it is indeed black gold for the garden.
Do you use a heating mat under your seedling tray to help germination? Thanks for a great video, love the explanation of latitude/sun day length. I will be starting onions for the first time in a week or so.
I don't use heat mats for onions, but do for others like peppers and tomatoes.
Great advice Scott. Ive just sown my onion seed too and I have sets as Im taking B-roll for a later video. Great video and info pal. Are you up for a chat on the weekend?
Thanks, Tony. Yes, let's chat.
I truly enjoyed this video. This is my first year trying to grow onions. I started them last week Wednesday and this Monday started to have small sprouts. I was worried they wouldn’t germinate quickly due to not having another heat mat but they germinated fast. My only question and I’m sure it goes along with all other plants but what about Harding off. You said they can go out before the last frost date so how if anything will that effect Harding off.
Good question. Hardening off is good for most plants. Onions are tough, can handle cold, and will do okay without it, but if you have them in pots they will benefit from hardening off a few days before planting.
Now I want to plant onion seeds!
No time now, I’m in Super Bowl mode….GO RAMS!
I enjoy your garden videos. Very informative.
This year my young onion leaves are curling after transplanting as if someone gave them a perm.
There seems to be some deformity right above the bulb. This is with more than one variety.
I'm in zone 7a in Virginia growing in a raised bed. Any advice you may offer will be very much appreciated.
Thank You,
Red
See how the new growth looks. It's relatively normal for the leaves to curl soon after transplanting because the plant is stressed. It usually recovers. If it continues it could be a problem with the soil, possible contamination.
Did waiting help?
Grazon?
Scott, thank you for this video. You may be addressing this in an upcoming video, but what do you do about the seed coat not releasing from the tip of the onion sprouts? It happens to more than half of mine.
I will be covering that in another video. I usually snip the leaf or carefully pull it out.
Hi Scott. Thanks for all the great videos. I'm looking for part 2 of this video where you talk about transplanting the onion seed starts. Mine are planted in 1" cells, and about 2-3" tall. The roots are extending down into the water bath below. I'm concerned about them drowning and they appear to be too delicate to transplant. Thanks.
Hi. I wasn't able to complete a part 2 video. If the roots are growing out the bottom they can be transplanted. Consider moving them to larger pots or trays and transplanting outside once they reach at least 4"-6" tall and temperatures warm.
I would like to grow onion rings.
LMFAO Flat of Italy - I'm watching this because I messed up my flat of that very same variety! I did ok with another one but Flat of Italy was a variety I wanted to try so it was a bummer when it didn't go right. I think I left it in too sunny a spot
I’m starting my onion seeds on January 22nd, so this video was in valuable, so thank you! As far as the 1/4 inch vermiculite goes, would the “coarse” kind that I have on hand work ok?
That's what I use.
I started growing white Candy onions because they aren't storage wimps like Wallawalla.
Walla Walla Sweets are the best!
@Garden Scott can you post a link where you get the green soil tray?
I got it at greenhousemegastore.com
Timely
I was sent here by @TheKitchenGardenWithEliAndKate as had a question about when to transplant onion seedlings into a potting mix and you had just uploaded this video. You mention that they get 3 leaves and then you pot them on. Mine have just started showing a little tentacly leaf each, will they all be like that or does the leaf change? First time grower! :)
That first leaf should straighten out and then more will come. They'll all be straight and slender.
Until I viewed this video and even though I knew the difference between short, medium and long day onions, for whatever reason I've never really paid attention to which type I would put it my garden (I need a long day onion). You also reminded me that I hadn't sown my onions yet and it's Feb. 10 - I probably should have seeded them at least three weeks ago. I'll do that today.
One point of clarification: you referred to your planting medium as "seed-starting" mix, although later in the video you refer to it as potting mix. I've always thought that seed starting and germinating mixes are both sterile mediums. Thinking about it, maybe the seed starting mix is simply a lighter version of a potting mix?
Thanks for all the useful videos.
As I show in recent videos, seed starter mix is usually just peat or coir and perlite or vermiculite. Potting mix often has compost and fertilizer added for extra nutrients.
@@GardenerScott Thanks. I'm wondering, don't the onions need nutrients after they develop and before they are transplanted?
I'm guessing that you supply nutrients to your seedlings at the later stage of development?
As I mention in the video, the seed has enough energy to get the plant growing but I'll transplant into potting mix for the nutrients the plant needs.
@@GardenerScott Sheesh! Even though I do this with my peppers and tomatoes, I never thought of "potting up" my onions, scallions and shallots. Thanks for your patience. Cheers.
Thank you for this video. Can you send me the link to your follow up video showing how you separate and transplant the small plants. I have had terrible results doing that.
I had trouble with the footage and didn't release a follow-up video yet. At about the 3 minute mark this tomato video shows a similar process for how I do it: ruclips.net/video/wkSVYAU6Ols/видео.html
@@GardenerScott Thank you. I'll try again this year. Do you get the onions out of the starting mix and into potting soil as soon as you did the tomatoes?
The onions grow a little lower so it wasn't as soon.
Scott should I be planting onion seeds now in January for May planting in Ohio?
January and February are typically the time for starting onion seeds.
I’m curious. I’m not going to be home to start bulbing onions for harvest this year. Cab I harvest them at the end of the growing season and plant them as sets the following year?
Possibly. Starting seeds late in the year, harvesting, and storing the plants so they don't dry out can be done. I've sown seeds and left the plants in the ground over winter and then harvested the next year. The bulbs aren't always as big, but it's easy.
Do you have any advice on growing shallots and leeks?
They are similar to onions. Starting early and good soil help.
It’s so confusing I’ve read growing from seed can take up to 100 days yet people keep saying it takes a year from seed
What am I misunderstanding
Well this video answered it all 🎉
The variety makes a difference, but getting full bulb development can take many months. Leaves can be harvested without harming the plant at 100 days.
Question: Scott I'm growing Red and White this season. Can I mix them in the beds?
Sure. They won't interfere with each other.
I wish I knew what day this video was shot. I am in Colorado and I started my seeds the 3rd week of January, sounds like I am too late:(
This video was done in Colorado during the fourth week of January, so you're not too late.
@@GardenerScott Fantastic, I went for it and I have germination on all 6 varieties, now hoping they are ready for transplant when it is time over here in Wheat Ridge:) Have a great day!
I have read that you should keep them trimmed down to 3-4 inches, if this is so, should or could I continue to do so once they are in the ground to put more energy into growing the bulb? Thanks.
Usually an initial trim is all that's needed. Once the plants are outside I let them grow.
Has anyone here tried direct-seeding onion seeds outdoors, using short season varieties e.g. 90 - 100 days? I want to try it this year in northern Montana. Our frost-free growing season is about 120 days. I'll also be growing some onion plants from Johnny's in case the experiment flops.
I have. You'll need to add a few weeks for germination outside. The onions can handle some frost so the season is a little longer for them, but they may not have enough time for full bulb development before a freeze hits. It's still worth a try.