Monthly Archive: December 2016

Leaf spots abound on hydrangeas this time of year

It is not uncommon to see leaf spots on your hydrangeas during late summer and fall. These spots are caused by a number of fungal diseases. Plant fungi and wet weather go hand-in-hand. In the Southeast U.S. we have high humidity, heavy dews and frequent rains during spring and summer. This provides perfect conditions to …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/lng/2016/12/13/leaf-spots-abound-on-hydrangeas-this-time-of-year/

Glistening web on tree bark is harmless

Many people notice fine silken webbing on the trunks and branches of their trees and assume that this is a problem. But the insects that cause this webbing are not harmful to trees. They could even be considered beneficial. The tiny insects that make the webbing are called psocids (pronounced so-cids). They are sometimes called …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/lng/2016/12/13/glistening-web-on-tree-bark-is-harmless/

Small branches dying in some local trees

Q. What’s causing small branches to turn brown and die in some of my trees? A. More than likely this is caused by the Black Twig Borer. This very small beetle, about 1/16 inch long, has been active in some local trees. This is an interesting insect with a wide host range. Trees attacked include …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/lng/2016/12/13/small-branches-dying-in-some-local-trees/

Don’t blame pests for dry spots in your lawn

Every time we have a dry period in spring or summer, I get those predictable calls about some mysterious pest that’s playing havoc in lawns. Without realizing it, the caller usually describes a textbook example of dry spots in a lawn. And many times that’s what the problem areas are – dry spots. Dry spots …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/lng/2016/12/13/dont-blame-pests-for-dry-spots-in-your-lawn/

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