Lilac Pests and Disease
Insects:
Lilacs are fairly hardy plants. Most insect pests do not bother them to any
serious degree. For occasional insect problems, such as aphids or borers,
treat with an insecticidal soap or a mild insecticide, like Sevin.
Pests:
Mice and voles (see moles and voles)
are one of the biggest pests of lilacs. During hard winters, they will chew
on the bark of the stems at or near ground level, and can kill a plant. They
harbor under the mulch you amply provided, and feed on your plant, especially
in the harshest of winters.
Disease:
Lilacs are susceptible to a couple of plant diseases. Most common is powdery
mildew. Powdery mildew occurs most frequently during hot and humid weather.
Treat any outbreak early. Apply a general purpose fungicide two or three
times about a week apart, as soon as the problem is spotted. For major outbreaks,
trim away infected branches and dispose of.them. Do not add them to the compost
heap.While this disease can cause major problems with more tender fruits,
flowers and vegetables, it will generally not cause long term or serious
problems for your bush. Powdery mildew's unsightly appearance is the biggest
negative for Lilacs.
Other Links:
Lilac Problems More detail on problems and treatment.
More Information:
Buy
Lilac Bushes a great selection of popular Lilacs
Buy Flower, Vegetable and Herb Seeds Finest quality
Ferry Morse Seed, America's oldest seed company with their famous "guarantee
to grow".
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