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Hansen's Plant Pest Library is an invaluable resource for Missouri homeowners who want to learn more about pests and diseases that can affect their trees.
SORT AND FIND
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Sunscald is a very common problem found on young, thin barked ornamental trees. [...]
Dutch elm disease is a vascular wilt disease caused by the fungus Ophiostoma ulmi. [...]
Stem girdling roots are roots that grow around the base of the tree. [...]
Magnolia scale is a large soft-scale insect native to North America, with the female getting as large as 1/2 inch in diameter. [...]
Fire blight is a bacterial disease which can affect a wide variety of ornamental trees, particularly in the Rose family. [...]