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Culvers Root

Culvers Root

Question from Shoot User
1390 1
I have several of these in my garden chosen by a garden planner so hopefully suitabley positioned. However the leaves on a few of them have suddenly gone black but the stems are still green. Any ideas what has happened?
Posted: Sunday 27th of September 2009 12:32 PM

  • Veronicastrum trouble

    Kathy N
    Hi, Lorna,
    Veronicastrum like moist, well-drained soil, preferably in full sun. As long as they looked good all summer, I would think they were in the right position. Typically, the old leaves of Veronicastrum turn brown after flowering (which is pretty much this time of year). Turning black could indicate a fungal problem. Regardless, cut the plant down to new basal growth and destroy the dead cuttings. Next year, you can spray the plants with a fungicide if you notice the problem early in the growing season. If it is a fungus, this will prevent its spread.
    Kathy C.
    Replied: Tuesday 29th of September 2009 07:54 PM

    • Thanks

      Shoot User
      Thank you very much, I will get chopping.
      Replied: Wednesday 30th of September 2009 09:36 PM
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