Weed Control
Q.

The horrible weed “hairy bittercress” (Cardamine hirsuta).

Zone Washington, DC 20003 zone 7a | lynnecrew added on April 11, 2017 | Answered

I'm a Master Gardener from west coast FL and Philadelphia area, having worked both places. Just moved to DC 6 months ago and came across the horrible, hairy bittercress in DC gardens. Took me awhile to identify it, but the article said it has a "long, deep taproot." I haven't found that with any of the many of them I've pulled out. In fact, the root system is skinny and weak and no taproot anywhere to be found. What am I doing wrong?? Help!!!

    A.
    A.Answers to this queston: Add Answer
    Downtoearthdigs
    Certified GKH Gardening Expert
    Answered on April 13, 2017

    Yes, it is difficult to remove the roots of Hairy Bittercress.
    This link has more information on weed control.

    https://www.gardeningknowhow.com/plant-problems/weeds/hairy-bittercress-control.htm

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