West Yorkshire,
United Kingdom 
some of the top leaves onmy sappling rowan tree has started to curl up, they had green fly on them but they have gone leaving brown spoty curled up leaves, the rest of the tree is fine what can i do
3 Aug, 2010
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The weather has been so odd this year....severe winter...drought and hosepipe bans. Then heavy rain. For some of us no rain worth speaking of and really hot weather for weeks on end. Indigenous trees find all this very stressful. Small wonder young trees and huge old ones get stressed. they shut down some of their parts to cope. Usually closing down parts of the tree or shedding leaves.
4 Aug, 2010