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Growing Help

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Question from David Underwood

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I have 4 plants which have been in for 3 years. Each year about this time hakf of the leaves turn brown. The plants continue to flower throughout the summer and in previous years I thought this was down to lack of rain. This is certainly not true this year. Any help in solving this problem would be apprciated.

Growing Help (06/07/2012)Growing Help (06/07/2012)

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  • Views: 549
  • Replies: 2
  • Posted: Fri. 6th July 2012 18:11

Re: Growing Help

Reply from Kathy C

Hi, David,
I can't be Verticillium wilt because that would have surely killed the plants by now. Does the plant look like it has powdery mildew? That could explain the dieback, but the plants surviving from year to year.
Kathy C

  • Posted: Tue. 10th July 2012 19:26

Re: Growing Help

Reply from Samantha Jane

I tend to get this where there is overcrowding of the plant material. A mildew or rust fungus is probably then taking the opportunity to enjoy the warm, air-lacking situation and so certain stems of the plant start to die back. I just remove the infected stems straight away and keep dead heading the rest of the plant as normal. Best wishes, SJ Garden Design

  • Posted: Tue. 22nd October 2013 08:52