Invasive ID please?

12 years ago

Hi Everyone,

I'm a longtime GW member who has not been online much lately-hope you all are well.

We have a new invasive that I am hoping someone can ID. It is a grass/sedge/rush(?)that grows in large, dense clumps that can quickly reach 7' tall. It seeds prolifically, has sharp edges and must be dug up by the roots to remove.

Anyone recognize it?

Many thanks!

Lisa

Here is a link that might be useful: Invasive grass?

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Comments (7)

happy_girl
12 years ago
Lisa. good to see your name on the forum again. I believe this is a plant that my MIL called "Maiden Cane". I never knew the PROPER name, but that is the way I always heard it referred to.
stuartwanda
12 years ago
Lisa, check out Johnson Grass, kinda looks like the tassels on your grass.
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Could very well be poa trivialis. It likes shade and damp areas. In the summer, without water or with too much heat, it'll go dormant or die. It is a spreading perennial. Certainty is a selective control BUT NOT for TTTF, unfortunately. There may be others out there though. I know some studies have shown ethofumesate to be more effective at controlling poa triv than poa annua but others have shown no control whatsoever. There is probably no good chemical control for you. In the spring, does this grass develop thick stalks?
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I don't know how experienced you are at ragweed control, so I'll throw in my 2 cents. Work religiously to get them all removed, killed, pulled, hoed, smothered, etc. while they are small and never, ever let them get big enough to go to seed. They are common in disturbed soil, and you'll find you generally have to fight them for years, but it is a battle you can win. It took me a good 5 to 7 years to get all the common ragweed out of my garden, and there's no guarantee it won't return someday, so I keep my eyes open and if I see so much as one tiny plant sprouting, I get rid of it.
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Thanks for responding! The seed capsules DID look like beans or peas. I'm not familiar with pea flowers, so not sure whether the flowers resembled pea flowers. The flowers are blue, and then in a very short while (3 days at most) seed pods appear, dry and pop open.
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I agree with NHBabs. The red-stemmed plants look like a dewberry (Rubus) species. Those have canes that are arching to prostrate, with whip-like tips that can root when contacting the ground. Inflorescences are usually found in the middle third of the canes, with flowers expected Apr-May.
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carolb_w_fl_coastal_9b
12 years ago
I was thinking Johnson grass as well - it's a well-known invasive here & in other states & Googleimage results look similar...
scents_from_heaven
12 years ago
Hi, Lisa, you are sadly missed as are all the pictures of your garden and the chickens and most importantly the dogs.
gcmastiffs
Original Author
12 years ago
By Jove, I think you got it! "Johnson Grass" look out -this means war(G).

Thank you all so much for your help!

Hi, Scents from Heaven, miss you too.

I'm on Facebook mostly now, if any of you use it, please look me up so we can keep in touch better.

Lisa
katkin_gw
12 years ago
I just dropped in to say "Hi" Lisa. I've missed hearing from you here. Hope all is well. :o) I can't figure Face book out, so I gave up on it.
tomncath
12 years ago
I can't figure Face book out, so I gave up on it.

And I don't trust it, but sure nice to see you pop in again....I sure miss your posts.

Tom

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Invasive ID please?

Comments (7)

happy_girl

stuartwanda

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Invasive ID please?

Comments (7)

happy_girl

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