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Top Ten Tree Problems
- Lace Bug: Lace bugs target broad-leaf evergreens
such as andromeda, azalea, and rhododendron. Early detection is the key to getting rid of an infestation. Look for yellow-silver
stippling on the topsides of leaves.
- Mites:
Mites pose a serious threat a wide variety of plants, and can seriously impact the visual appearance of a plant. Mites favor
warm, dry climates, and are an extremely serious issue for many homeowners.
- Tent Caterpillars: Caterpillars can weaken many trees and shrubs, increasing the
chance of a secondary infestation. Look for silken, yellow cocoons.
- Borers: Borers are attracted to unhealthy trees, burrowing in and laying eggs inside
the trunk. The best defense against borers is to keep your trees healthy and unstressed.
- Hemlock Woolly Adelgid: One of the most common
pests, these insects can cause the death of a tree if left untreated. They leave behind a telltale white wax and target primarily
older trees.
- Scale Insects:
These insects target primarily hardwoods and conifers. Some signs of an infestation include abnormal leaf and shoot
growth, yellow or red leaves, and branch gouting.
- Anthracnose Disease: This fungal disease affects deciduous and flowering trees. Look for
a spotting of foliage in spring and summer.
- Winter
Injury: Even during mild winters, evergreens can lose moisture and not be able to replenish it. Thus, make sure your
evergreens have sufficient soil moisture.
- Weevil
Insects: Weevils are commonly found on flowers and fruits. Look for notches around the edge of leaves.
- Aphid Insects: Aphids
are small and pearl shaped. An infestation can cause yellow discoloration and defoliation.
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