Giant Hogweed Identification and Comparison with Cow Parsnip
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- Опубликовано: 24 июл 2024
- This video was created by the Invasive Species Council of Metro Vancouver (formerly the Greater Vancouver Invasive Plant Council) to help people living in our region to identify Giant Hogweed and to be better able to discern it from the native species, Cow Parsnip.
For more information on Giant Hogweed and other invasive plant species in Metro Vancouver, check out www.iscmv.ca
Reminds me of that classic post - apocalyptic book & film from the 1950’s, ‘The Day of the Triffids’ by John Wyndham!
This video is for our information and it nice of her to show us this and to help us identify it, and I read some stupid and unrelated comments and that is just sad. I want to say to GVIPC thank you for sharing your information and I hope you make more videos.
Thanks for the video, by the way, in Cape Breton we are dealing with highly invasive Angelica sylvestris, and people are afraid to attack it for fear that it is hogweed. It is taking a door-to-door effort. Be sensible. Work with it on a small scale and wait a few days. Best precautions are no weed whacking (sprays sap around), cloudy day, eye protection, gloves, long sleeves. Sun and perspiration cause a greater reaction, and the effect may be more pronounced based on plant life cycle.
From reading and illustrations elsewhere, I thought the two were the same plant with multiple names. We have what's most likely cow parsnip growing in the forest near me, and when the saw the photos of hogweed effects on flesh, I was horrified. Thank you for putting my mind at rest.
Perfect identification video! Thank you.
EXCEPT, no mention of purple, raised spots or streaks all over the main stem, and minor ones.
Thank you, have wondered about these 2 plants! :)
Turn and run, nothing can stop them!
Supmah Gaming what about fire?
@@NotoriousN_I_G_ no!! Do not burn these plants. That’s a terrible idea. Imagine what the sap would do to your insides if you inhaled it.
@@_P0tat07_ nothing it is phototoxic
She makes me nervous being so close to it.
And evidently downwind.
The danger is greatly exaggerated. The people of the city are so afraid for their lives, it's like they've been going to stay here for 1,000 years.
@@uldymuldy I have a scar on my hand from when I touched one when I was nine, and I had friends who were similarly affected. I think the big issue is really that they might accidentally get ingested, because there are other hogweeds which are edible. They're also very invasive. There was a patch of land near my childhood home which got taken over completely by giant hogweed and Japanese knotweed, and it put paid to the biodiversity there. Not necessarily a danger to humans but still regrettable.
@@nineteenthly It's sad to hear. Why not neutralize with sodium carbonate? Why touched?
@@uldymuldy I was a child at the time so neither would've occurred to me. It isn't actually something other apiaceae are exempt from. They all contain the psoralens which have the effect, and if you happened to have an opaque glove or something else to cover your skin immediately after touching, you'd be fine - you could just go somewhere and rinse it off. But I know I get the tingling and numbness from celery too, so maybe it sensitised me to it.
We have a lot of cow parsnip up here in Alaska. I’ve never had a reaction to it, but that might be due to a less intense exposure to the sun than further south. I also dont touch it much, but have walked into them while going through brush.
Cows Parsnip is a small look-alike and common in gardens. It is not hogweed plant.
Now these are in Southern Finland. Appeared first time in Middle of Finland 1960 and now this summer i saw a small patch of some of these. They were like 180-250 meters tall. I and my two sisters destroyed like 2/3 of the patch. But the only question is that when do these plants drop their seeds? The reason i ask these is cause i have no clue if it was worth destroying.
Nice to have a leaf ID, alot of people just mention size forgetting that plants grow, I better go investigate some leaves. Cheers
Very insightful. Glad myself mostly stick on trails, most be Lucky those years in my younger days letting a part Beagle leed me through the forest- no sever outcomes arrived because of that. That dog lived to the age of 15 and a half, he seemed to enjoy The Boreal Forest as much as myself.
i had a parsnip or hemlock or something in my flower bed, cut it and got it on my hand. I thought it was parsley but it was something else and I had painful photo sensitivity rashes for several years on my hand where it just touched. all those carrot family plants are so hard to distinguish and many can cause painful rashes. Hemlock is in that family even so be safe.
Thanks for sharing, it makes sense, the psolarens change our cells DNA structure: when damaged by burning, they get replaced faster, but it can take years. I cut a few flowers/seeds a while ago for avoid them spreading without wearing a mask and likely the splash made my face's skin very sensitive to sunlight, even when using suncream.
There are lots of plants that get that flower. Queen Anne’s Lace is the garden variety, still invasive but no burning. The flowers are the same except the Lace has a tiny purplish bit in the very center, so one tiny purple flower in the center of the flower.
Thank you for the info!
unrelated and a very late comment but this lady has a great haircut! and the blue looks great on her !
GREAT VIDEO. THANKS YOU
Actually they are recorded as growing to lengths of of 18ft and upwards of 20ft. Maybe in absolute ideal optimal conditions I reckon as tall as 30ft. (heracleum mantegazzianum)
In the late 1960s, I used to ride a horse (called Robin) who loved to eat the cow parsnip. He was borrowed from a stables. Fortunately we didn't have the giant variety.
I suspected it might not be good for him, but he never came to any harm.
He was also of a very obstinate disposition, and determined to have his daily "fix".
Is it called "cow parsnip" because cows like to eat it?
Anybody know?
Great video thank you.
Nice information always confused on this species of plant I.D. etc. Another invasive is the Himalayan Balsam sometimes called Indian Balsam shed seeds like a shotgun 800 seeds in each pod fires over 25ft seeds can live in water for five years.
Hallo!
Very Informative!
Greetings from Old Germany!
Harry
Haven't seen those in Wisconsin or in my geocaching adventures, but WOW! That is one big a** weed. Thanks for the information Jennifer. One thing I didn't quite get is if the sap is on the leaves and you pick it up like poison ivy or just if you break a stem.
Just the sap. You have to break the plant and get the sap on you to have the effect. (it is NOT an oil on the surface of the leaf like Poison Ivy is) ...that said hogweed does have prickly hairs that could get embedded in your skin and cause irritation...
They have recently come to southeast Wisconsin, apparently. So you might be able to see one there.
Super! Is it possible to buy seeds from it?
Great explanation.. :)
Good information
Thank you for IDing this nasty plant will look for it when driving in Alberta and report it if I see any. Thanks again
In Alaska cow parsnip grows well above a meter, and my family has found that you’ll only get bad blisters from it if you have fair skin, and we wash the effects aria with windex and COLD water
Are you aware of the green 3-5 feet think plant, contact with it feels like a burn, no pleasant?
My back yard is full of cows parsnep. Thanks for the info
wild parsnip is another one too that can be troublesome. Luckily its easier to control.
WOAH! blessing and a curse. Beautiful!' Never seen anything like it.
Make no mistake, cow parsnip [Heracleum sphondylium] will cause serious skin blistering and long term scarring particularly if you are cutting them when close to flowering and in sunlight. I still bear the scars some 15 years later.
Wow I love it
Wow, they look prehistoric or like something out of a science fiction movie!
Looks like somewhere in the UK, I recognize only European species in this video ;)
Dactylis glomerata, Arrhenaterum elatius, Symphytum spec, Cirium arvense, Ranunculus acris, Rumex obtusifolius, Calystegia sepium, Galium aparine
Thank u so much i appreciate this video. may i ask; what part of the cow parsnip causes rashes or burns? The stalk is edible raw and cooked i heard, but skin must be peeled. What about the leaves? thanks , OWen
The sap causes the initial damage. Anywhere the sap touches the skin, the UV protection is wiped out. Subsequently when exposed to the sun the skin will burn severely and permanently. Beware the vulnerability to sun will last for several years. Also if the sap get into the eyes - blindness can occur.
So the cow parsnip sounds just about as toxic as does the giant hogweed if it wipes out UV protection and causes severe permanent burns from the sap.....unfortunate that you didn't have both species in flower for the presentation.
Does it negates the benefits of sunscreen as well?
I just touched the leaves of baby cow parsnip and the backs of my hands were itchy for days
Very informative. Thank you.
Do chefs like Cow parsnips?
Cow parsley or cow parsnip?
Parsnip also called pushkie..spelling?
Yeah Miss. But never point a poisonous leaf with fingers use an stick for it. specially on a windy day.
ruclips.net/video/Dq1UtXX-vKE/видео.htmlsi=1KUS39-VdTI8W_oH
can you smoke it
Wow!
Can i just say it probably isnt a good idea to be near a patch of giant hogweed when its very windy like this, the hairs on the stem are urticating and can cause a nasty reaction.
I think, if this would be growing in my backyard, I would feel very anxious.
do they both have hollow stems?
Nope
ruclips.net/video/qAlQI-i_DTE/видео.html
Hi Jennifer nice to me you, that surely is a giant hogweed
That's my favourite Weed, I reckon it's a leftover from the Durassic Period
Ok I've got to ask your under an downwind ?
It is a pretty plant.
So the leaves are different and the plant is only 1/2 the size but on the other hand both are bad.....we're screwed, plants are fighting back. Poison ivy and nettles run rampant in my neck of the woods, oh and some kind of bullet proof ivy laying all over the place to trip you up every time your not paying attention, so basically it's impossible to trail blaze around here without a bush wacker in front of you. Now I got to start keeping an eye out for these puppies too.
That a big ass plant
Plants that are bigger than this: most trees
Ill stick with growing marijuana
trees are no longer plants? :O
when did this happen?
They are now considered people
There is only one gender. The human gender.
It simply the Largest Herb you will ever see .. Plants are divided into groups that's all ..Trees - Shrubs - Herbs - Vines -etc ...OK?
hey , hi Jennifer XOX ...
You screwed up, that "Cow Parsnip" leaf was also Giant Hogweed (The Tree of Knowledge). See my channel for more.
holy shit that thing is huge and scary.
My God this is a true hell plant
I am nervous as hell watching her go NEAR that thing with bare hands.
Leather backed gardening gloves over-top Chemical resistant rubber gloves or don't go within 6 inches of it.
It requires non-scuba level B HAZMAT protection to even remove it so she is not being safe.
Do you worry a bit? I removed one with gloves being careful and took a shower afterwards. Totally fine. The sap is only dangerous if the skin is then exposed to sun. If you wash off the sap then the danger is gone.
@@gerryp3628 I was speaking of the giant hog weed not the cow parsnip for precautions. Yes I have had small marks from exposure to both on my arm and my leg from touching just the leaves even after washing
The sap is present on any cut portion and the underside of the leaf on both and in enough of a quantity that it will react instantaneously to any bare skin of you come into contact with it during a sunny day. You will break out on your way to washing yourself or shortly after.
I love 💕💕 that plant. Would love to have millions of them around my property to keep the pest out.
If you're anywhere near Southern England it's found all over the place
Eeeeeeek!
It's such a relief every time she ends a sentence with her voice going down in pitch.
OMG, America is infested with "Up Talkers" using the inflection
of a question at the end of every sentence. It is so contagious,
and because our education system is so fraught with Liberals,
bending over backwards to please and not offend every single
person that walks across the Border- that our children AND
young adults do it, just as with an influx of certain Europeans,
who over emphasize the suffix "ing" is very catchy to young
minds- who are taught to never correct a mistake, that everyone
"has their own way of doing things". 🤢🤮
@@HUBBABUBBADOOPYDOOP It's exhausting to listen to her! LOL
Whoa, up to ten years??
(grabs the flamethrower)
That means if you touched that plant and got one of those reactions, you may only be getting over it now as of this comment.
D-don't burn it 0-0 it will make you go blind!
Parsnip?
Parsley?
I saw Giant Hogweed along the Clyde River in Glasgow! Was shocked to see them, and yes, about 15' high.
There's lots of it in West Sussex where I live, it's all over the place
Me: I've seen it around, but it's in the America archipelago, I'm safe then
Her: it came from Asia as ornament
Me: oh...
the plants are only 2 ft tall she is just small
Have you seen this thing in person because it’s not about 2ft tall these things are huge
touch it
Listen to Mc Hammer!
horseweeds get that tall
This plant is terrifying....
The wind is blowing and she is in the path of those flowers and pollen. Get those pollens in your lungs and you are a ”GONER” !!!
I,v got giant hogweed on my land
dont stand so close
Geez it looks like a weed on steroids! Almost alien like.
caucasus is in Europe
There is a guy posting his Giant Hogweed garden on RUclips. It should be illegal for him to do this if they are so dangerous to man.
Dragon43ish Ligma
Christine Newland if he wants to I guess he can but that will be his problem when he gets massive painful blisters when he accidentally brushes up against it.
He should not be allowed since it spreads easily and will continue to do so.... His plants could produce thousands more.
Who says Canada can't be exciting
Does it effect black people?
Not all people are sensitive. I am not at all. I have read a great deal of science on the noxious agent in the sap, and there seems to be no reliable toxicological data on rates of sensitivity all papers say hogweed "can" cause dermatitis, which is true of most members of this family. If anyone knows of any factual references, I would appreciate your sharing. I am beginning to believe this is a media hype sort of thing. There ought to be a way to test for this.
marianwhit seriously I didn’t know they were dangerous and was curing them barehanded and everything haha
Hogwash, I say-
Sheeps and goats eat the giant hogweed and do not ger burned. In Helsinborg sheeps eat giant hogweed. Poison is useless.
I would laugh if the wind toppled the hogweeds, and fell on her
Triffids!
Triffids! Run for your life!
who would plant that in a garden? xD
*Cough cough*
Murder carrot
Nasty weed
lol, this is the biggest plant you are ever going to see, that has the same characteristics.
Has this lady never seen a tree or cannabis plant grown outdoors? They can get much larger...
Someones out of breath from talking.
She needs to speak loudly over the strong breeze.
If future reviews please, use latin names of species, because you, English, call all of these "giant hogweeds" across web which makes you review somewhat useless.
Kredo800 Yes, there could be a hole species of hogweed with different features and control methods, using Latin makes it that much easier to identify them to the plant, bit you probably already know that!
your topic is giantly boring !!