Plant ID forum: What is this plant's name

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Grosshansdorf, Hamburg, German
junglewanderer
Oct 6, 2017 2:04 PM CST
Hello,

I am from Germany. In my backyard, there is a plant I cannot identify. Found in northern of Germany. Here is its pictures. Please help us identify it.


Thumb of 2017-10-06/visitor/bc8d06
Thumb of 2017-10-06/visitor/8a10c4


[Last edited by junglewanderer - Oct 7, 2017 9:04 AM (+)]
Give a thumbs up | Quote | Post #1561841 (1)
Name: Ursula
Fair Lawn NJ, zone 6b
Charter ATP Member Fruit Growers Adeniums Spiders! Native Plants and Wildflowers Region: Pennsylvania
Greenhouse Keeper of Koi Cactus and Succulents Forum moderator I was one of the first 300 contributors to the plant database! Ponds
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Ursula
Oct 6, 2017 3:51 PM CST
Hallo, Junglewanderer!
I really really hope I am very wrong. My first thought is Japanese Knotweed, a terrible invasive around here.
Hopefully the experts here will disagree with me!
Name: Lin
East Central Florida (Zone 9b)

Region: United States of America Region: Florida Charter ATP Member Million Pollinator Garden Challenge I was one of the first 300 contributors to the plant database! Garden Procrastinator
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plantladylin
Oct 6, 2017 6:11 PM CST
If it is Japanese Knotweed (Reynoutria japonica) - formerly known as Fallopia japonica, it's considered invasive in many countries: https://en.wikipedia.org/wiki/...

More photos for comparison on this page: http://www.virboga.de/Reynoutr...
~ Eat, Sleep .... Play in the dirt ~
Salt Spring Island, BC (Zone 8b)
Dahlias Region: Pacific Northwest Million Pollinator Garden Challenge
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islander
Oct 6, 2017 7:30 PM CST
I agree Fallopia japonica
He who plants a garden plants happiness.
Name: Ursula
Fair Lawn NJ, zone 6b
Charter ATP Member Fruit Growers Adeniums Spiders! Native Plants and Wildflowers Region: Pennsylvania
Greenhouse Keeper of Koi Cactus and Succulents Forum moderator I was one of the first 300 contributors to the plant database! Ponds
Image
Ursula
Oct 6, 2017 7:57 PM CST
Around here this plant really took over along the Saddle River and killed just about every other vegetation. Whenever we see this plant starting up on our own place in NE Pennsylvania, we go after it with a Machete, repeatedly!!
I highly recommend going after it to eradicate it and not let it take over!!
Grosshansdorf, Hamburg, German
junglewanderer
Oct 7, 2017 9:02 AM CST
Ursula said:Hallo, Junglewanderer!
I really really hope I am very wrong. My first thought is Japanese Knotweed, a terrible invasive around here.
Hopefully the experts here will disagree with me!


omg! you are right!! I have to do something with this. Thank you Smiling
Grosshansdorf, Hamburg, German
junglewanderer
Oct 7, 2017 9:03 AM CST

That's it! Absolutely YES! Thank you so much. We'll try to remove it as soon as possible.
Grosshansdorf, Hamburg, German
junglewanderer
Oct 7, 2017 9:04 AM CST
islander said: I agree Fallopia japonica


I agreed too. That's awful to know. Thank you

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