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Donald Cooper startede en diskussion
Sickly Euonymus - Although healthy for years one of our Manhattan Euonymus' is doing poorly this spring, as shown. The leaves should be uniformly glossy dark... Læs mere
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Donald Cooper startede en diskussion
Sickly Euonymous - Recently my usually healthy Manhattan Euonymous espaliers are showing distress, mostly on new growth and juvenile leaves. Would someone ple... Læs mere
   
Donald Cooper startede en diskussion
Ugly roses after Neonicotinoid avoidance - 1) Is there any effective control of rose thrips that doesn't cause harm to the precious bees? 2) What insect causes the many small (white... Læs mere
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Donald Cooper startede en diskussion
Can mountain laurel be cut back hard? - We have a leggy mountain laurel which is in shade and has limited foliage. I would like to cut it back hard, which would remove all foliage,... Læs mere
    6 kommentarer
Donald Cooper startede en diskussion
Rhododendron galls - Is there any way to determine whether my galls are due to midges or rather to fungi? Perhaps it doesn't matter much. I'll pluck the few ga... Læs mere
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Donald Cooper startede en diskussion
Ailing Hedge - We have an evergreen hedge that seems to be ailing. New leaves begin as a normal dark green but eventually take on a mottled appearance. It ... Læs mere
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Donald Cooper startede en diskussion
Bud Carnivore? - I'd much like to know what kind of pest eats a big hole in an unopened rose bud, as pictured here. I quit the use of Bayer's systemic insec... Læs mere
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Donald Cooper startede en diskussion
Tame wasps - I have an underground nest of wasps that look like yellow jackets but are 1) smaller, 2) non-aggressive, and 3) not interested in the foods ... Læs mere
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Donald Cooper startede en diskussion
Soil aeration amendment - I have a 15' X 15' turf area of importance that had terrible soil including compaction. There were three distinct layers, including a minor... Læs mere
    21 kommentarer
Donald Cooper startede en diskussion
Problem with Japanese Holly - I have a low hedge of Japanese holly. Usually the leaves are dark green and lustrous. This year however the leaf surfaces are mottled in col... Læs mere
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