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Gardening

Find tips and tricks to make your garden or allotment flourish on our Gardening forum.

Is this Japanese knotweed?!

31 replies

Gardeningquestion · 24/03/2019 13:45

I saw these little shoots coming up and I have one of those plant picture apps. I took a picture and top result (of a few other options) was Japanese knotweed. A little worried!

What do you reckon?

Is this Japanese knotweed?!
Is this Japanese knotweed?!
Is this Japanese knotweed?!
OP posts:
wigglypiggly · 24/03/2019 13:54

Maybe Portuguese laurel or photons red Robin, have you got a garden centre nearby that could identify it for you, are there nearby hedges.

donajimena · 24/03/2019 13:58

Don't panic! I'm sure I read somewhere its not as awful as its made out to be. I'll see if I can find it.
Because of its reputation though it would cause difficulty with a house sale so if it does turn out to be knotweed you have caught it early.

Gardeningquestion · 24/03/2019 13:59

We have the only garden nearby, the rest are very small patios (in zone 2 London) but we do live close(ish) to a big cemetery so seeds could blow over?!

Our garden was landscaped last spring. The possible knotweed is in a bed, my husband thinks perhaps there was something in the soil?

Good idea on the garden centre. Would I take a cut of it or the picture?

OP posts:
greenelephantscarf · 24/03/2019 14:00

what tree is that? could be suckers from that.
doesn't look like knot weed - it has more heart shaped leaves and a more knotty stem.

Gardeningquestion · 24/03/2019 14:01

The tree is a bay...

Soo hopeful it’s not knotweed!

OP posts:
donajimena · 24/03/2019 14:03

peerj.com/preprints/27023/

Trethew · 24/03/2019 14:03

Not knotweed

CorporeSarnie · 24/03/2019 14:03

Leaves don't look like jkw to me, the stem of knotweed is also hollow. Is there a lot of it?

andpeggy1 · 24/03/2019 14:03

Don't worry it's off shoots from your bay tree. I have the same thing with mine 😊

donajimena · 24/03/2019 14:04

Don't cut it. Try and dig it out.

stayhomeclub · 24/03/2019 14:04

I found knotweed at a similar stage on land next to a house I was buying, I’d say this isn’t knotweed! Let me see if I can find pictures of what I found, it was much thicker stemmed and the leaves were a different shape

Houmousontoast · 24/03/2019 14:06

No, that’s not JKW. Having spent 8 years battling the stuff I know what it looks like. The stems are that colour but the leaves are heart shaped not like the ones in your photo.

Gardeningquestion · 24/03/2019 14:07

Oh this is all making me feel so much better! Grin Damn that plant picture app making me panic!

There are only those three shoots of it so far. They have come up very fast though. They weren’t there a few days ago!

OP posts:
stayhomeclub · 24/03/2019 14:07

Here are the pics linked to my post above

Transpeaked · 24/03/2019 14:10

Break a leaf open, give it a rub with your fingers and have a sniff. I think the above poster is right that this is a bay offshoot

Gardeningquestion · 24/03/2019 14:11

I had a dig around and there are 9 not 3! Good call on smelling the leaf. I will do that now...

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Gardeningquestion · 24/03/2019 14:13

stayathomeclub - yes those do look thicker with different leaves. Just a similar bamboo-y look about them!

OP posts:
Gardeningquestion · 24/03/2019 14:13

(Thank you!)

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Gardeningquestion · 24/03/2019 14:17

Husband is now convinced it’s off-shoot of the bay tree, he smelled the leaves like you suggested up thread. I can’t tell - but the shape certainly is similar to bay!

Phew, feel a bit silly for panicking now!

OP posts:
Transpeaked · 24/03/2019 14:18

If you want reassurance the RHS can identify plants via images.

Gardeningquestion · 24/03/2019 19:21

That’s good to know, transpeaked! I will double check with them. That’s so useful!

OP posts:
L1yr · 24/03/2019 21:04

Definitely not knotweed, but I can see why you thought it was.

The leaves would be mainly red when this size.

L1yr · 24/03/2019 21:06

Here's some I took a photo of two days ago.

Is this Japanese knotweed?!
mustdrinkwaternotwine · 24/03/2019 21:07

I'd also say that they look like baby bay trees

MiniMum97 · 24/03/2019 22:31

I have a bat and we gets loads of off shoots round it that need to be cut off constantly. They don't have red stems but there are lots of types if bay I understand.

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