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Questions About Conocarpus Plants

  • Answered by
    Heather on
    December 8, 2013
    Certified Expert

    Typically with root problems like this, I recommend that you cut back the plant as much as possible and then as soon as the plant is cut, you paint the cuts with pure, undiluted Round-up. Painting the cuts right after they have been made will cause the plant to suck in the Round-up into its vascular system and this will carry it to the roots and kill them. For particularly hardy plants, you may need to do this two or three times (and do it as soon as you see any signs of new growth), but it will eventually kill off the roots.

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