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Suspected Crown Rot with my Rheum Palmatum

Suspected Crown Rot with my Rheum Palmatum

Question from Stephanie Hill
1118 1
Hi,
leaves on my Rheum Palmatum are turning yellow and Redon patches. new leaves are yellowed and growth has slowed overall. should I lift it, add grit to the soil & replant or it it too late? Also unidentified insect (see photo) has appeared on underside of leaves. I have picked these off - are they bad for the plant?
Thanks
Posted: Tuesday 5th of June 2012 07:30 PM

  • Re: Suspected Crown Rot with my Rheum Palmatum

    ELAINE HUTSON
    They need to be divided every few years, the old crowns thrown out and the strong crown re-planted, they are heavy feeders and require a lot of water.
    Replied: Tuesday 5th of June 2012 10:38 PM

    • Re: Re: Suspected Crown Rot with my Rheum Palmatum

      Stephanie Hill
      many thanks Elaine. The only thing is I bought the plant around October last year from a good nursery so it's not that old. I have mulched itvwith garden compos and fed it with a seaweed liquid feed but the leaves have red blotches and the yeollw seems to ro be spreading. I can't seem to upload any photos which is a shame but thank-you again for taking the time to reply. If it does survive. Will divide as it gets older.
      Replied: Wednesday 6th of June 2012 09:18 PM
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