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Verticillium wilt? on Cotinus and Witch-hazel

edboadenWO9ynviCedboadenWO9ynviC Posts: 2
in Problem solving
The edges of the leaves on these two young trees have gone brown mid-summer. The witch-hazel did the same last year. Both are in the same border, but quite far apart. Is it Verticillium Wilt or might there be other explanations?


Posts

  • clematisdorsetclematisdorset Posts: 1,348
    I don't know but I would be interested to know what others think. Have you experienced drought or dry conditions?
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  • PlantmindedPlantminded Posts: 3,580
    I think those symptoms are due to dehydration. There seems to be quite a few plants together competing for water, nutrients and light.  If you can relocate some of them, improve your soil with organic matter and give the plants a good watering, they should recover.  I'd also remove the browning leaves to help them along.  Keep the soil moist but not waterlogged.
    Wirral. Sandy, free draining soil.


  • Pete.8Pete.8 Posts: 11,340
    I have an acer with VW and the symptoms are different (on my acer at least) to those in the pics you have posted.
    What I see is bunches of leaves that are completely dead and crispy. These appear in random places on the tree on branches that also have perfectly healthy leaves.
    I also see black marks that look like bruises on young branches that looks very much like tomato blight.
    So I'm inclined to agree with @Plantminded that it's a combination of water resources that has dehydrated your shrubs, the leaves have wilted then got a bit of sunburn.


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  • punkdocpunkdoc Posts: 15,039
    I agree, it doesn’t look like VW, more likely to be lack of water.
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  • FairygirlFairygirl Posts: 55,117
    I agree too. Possibly a combination of drought and wind. 
    A wider view of the area, and rough location,  could help with further advice  though @edboadenWO9ynviC  :)
    It's a place where beautiful isn't enough of a word....



    I live in west central Scotland - not where that photo is...
  • edboadenWO9ynviCedboadenWO9ynviC Posts: 2
    OK thanks @Plantminded and others. That could well be the problem then. They are both relatively exposed to sun and wind, and in hindsight I probably haven't watered them as much as I should have over the drier summer months. Good to know.
  • FairygirlFairygirl Posts: 55,117
    They'll probably recover well enough over autumn/winter, and will gradually harden up enough to cope in future. 
    They're both tough shrubs.  :)
    It's a place where beautiful isn't enough of a word....



    I live in west central Scotland - not where that photo is...
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