KALAMAZOO, Mich. — Colorado blue spruce trees have long been one of the more popular conifers for landscaping across the upper Midwest. Now, diseases are killing blue spruce trees across West Michigan ...
VALPARAISO — Colorado blue spruce trees in Indiana are succumbing to disease, and by the time owners ask for help, it’s usually too late, according to master gardener John Nash, who manages the Porter ...
Bagworms are not the only issue we are seeing in evergreens. While insecticides for bagworms should not be applied until June, April and May are the months to apply fungicides for control of the ...
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