Is this Stiltweed?

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Date Photo Taken: 09/08/2012
Location: Roswell, GA
Posted By: sdbrophy

Notes:

Just to make sure we’re talking about the same thing, my weed that looks like this has bamboo-looking thin leaves, grows 2-3′ (so far) and has a lovely long stalk of small pinkish flowers that just appeared. We did not have this plant for the past 5 YEARS!! It just showed up this year and is spreading like a terrorist sleeper cell among my gardenias and hostas.
Can I treat for it near my creeping gardenias or will they die too?

COMMENTS

  1. Bobby Flower Fanatic says:

    I’ve never noticed this type bloom on stilt grass. Does you terrorist look like this http://pics.davesgarden.com/pics/2004/08/31/melody/18abcc.jpg ?

    September 10th, 2012 at 12:49 pm
  2. Bobby Flower Fanatic says:

    This could be another “lomentous” occasion here Walter! http://www.ct-botanical-society.org/galleries/desmodiumsess.html

    September 11th, 2012 at 10:58 am
  3. stone Unregistered says:

    I’m thinking a desmodium.
    Grass-leaf Tick Trefoil (Desmodium gramineum) or (Desmodium paniculatum).

    No terrorist sleeper cell…

    stilt-grass (Microstegium vimineum), and basket-grass (Oplismenus hirtellus ) don’t have nice legume-type blooms.

    While desmodiums have those beggar-lice seedpods, they are actually valuable members of the plant community, and are not considered invasive.

    September 11th, 2012 at 11:51 am
  4. sdbrophy Registered says:

    Leaf shape is similar but this looks like a stronger stalk. I’d hate to think mine will get this branch-like. I think the flowers are a similar shape though.

    September 11th, 2012 at 9:54 pm
  5. Bobby Flower Fanatic says:

    The picture is a little misleading. A plant I’ve been watching is now about 24 – 30 inches tall. I would call it a sprawling growth habit. Mine is blooming at this time also. It did not bloom last year. Look closely and you will probably see a few of the small loments or segmented seed pods. Just google loment and you will find several examples of what you’re looking for.

    September 12th, 2012 at 4:57 pm
  6. Scott Hertzog Unregistered says:

    I have this – it can get quite tall near the creek in my back yard, but I have yet to see any blooms on it. I would like to get rid of it, but don’t want to kill the grass that is underneath it by spraying.

    October 28th, 2012 at 5:47 pm

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