Learn how to manage oak galls, prune cacti, control skunkvine and tackle common Texas garden problems with expert advice.

Wool sower galls are found primarily on white oak trees (Quercus alba) but may also be found on chestnut (Q. montana), swamp chestnut (Q. michauxii), and swamp white oaks (Q. bicolor).

Now is the time of year that oak trees are contributing to nature’s food store by growing their acorns, but a Mediterranean invader is ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Gall on a pin oak in Forest Park. Q • I have noticed a lot of weird balls growing on my oak tree, and it is starting to get ...

Persisting in the winter months as ball-shaped shells on oak trees, galls, which are considered an eyesore by landscapers in the summer months, appear as a sort of curiosity in ...

Hundreds of species of small wasps called gall wasps live in the forests of North America. Hundreds more species of them are spread worldwide. In Southeast Missouri oak trees are a favorite host ...

Fortunately, this type of gall is usually never numerous enough to threaten the health of infested trees. Also, gall wasps have parasites so their populations often decline naturally.

Wool sower galls are found primarily on white oak trees (Quercus alba) but also may be found on chestnut (Q. montana), swamp chestnut (Q. michauxii ) and swamp white oaks (Q. bicolor).