St. Louis, MO Tree Healthcare Service

When your tree looks like it is in poor health, it’s important to understand common problems and a way to fix them. Take a look at some of the most common tree problems you might experience!


CALL FOR A FREE ESTIMATE:    636-391-9944  |  55 Old State Road |  Ellisville, Missouri 63021 |  Fax: 636-391-9948

Top Tree Problems

Drought: Drought conditions have persisted in the St. Louis area for the last several growing seasons. Regular, properly applied supplemental watering is needed to ensure the survival and optimal health of your landscape plants.

Diseases: The most serious and prevalent disease problems in our area currently are fire blight on pear trees, oak wilt, and Dutch elm disease. Anthracnose disease is a fungal disease affecting deciduous and flowering trees. Look for spotting of the foliage, and sparse new growth in spring and early summer. Accurate Identification and individual case assessment are needed to determine an appropriate course of action.

Mites: Mites pose a serious threat to 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. In our area mites are commonly found on burning bush and dwarf Alberta spruce.

Borers: Borers are attracted to unhealthy trees, burrowing in and laying eggs inside the trunk. The best defense against borers it keeps your trees healthy and unstressed.

Learn About Emerald Ash Borer

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.

Leaf Eating Insects: Infestations of damaging leaf-eating insects are cyclic: Every few years a particular insect may emerge in numbers great enough to defoliate trees and shrubs to an extent serious enough to damage the health of the plant. Japanese beetles were especially bad last season, especially on linden trees. Other insects to watch for in our area are aphids, tent caterpillars, and cankerworms.

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.

Decline: Tree decline is a term that describes the decline in health over time, and the ultimate death of a tree, due to the accumulated effects of age, environmental stress, insect damage, and disease. Proper cultural practices, such as watering, mulching, and deep-root fertilization can reduce the damaging effects of tree decline.

Tree Care Tips

To avoid malnutrition, be sure to give your trees an adequate amount of micronutrients, such as magnesium sulfate, limestone, gypsum, iron, and zinc. However, trees need very limited amounts of these compounds, and an overabundance can be harmful. Have a certified arborist advise you on the correct amounts of each you should provide.

Frost damage can be prevented if your tree’s leaves stay hydrated during a period of severe cold. Additionally, frequent watering and fertilization in anticipation of a cold night can also “harden” the cells of certain plants.

Borer insects are very hard to anticipate or eliminate. The best defense is simply marinating your tree’s general health so it can bounce back if it does develop an infestation.

Overwatering or poor drainage can cause root rot in your trees. Fungicides or manganese treatments can be effective as treatments or preventative measures.

You need an experienced, certified arborist on your side that offers a variety of tree services to combat the most common problems. For help year-round with tree problems in the St. Louis area, contact Omni Tree Service, Inc. today at 636-391-9944!

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St. Louis Tree Care Company
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