“What is causing these lumps (above) on my live oaks?” asks Birds & Blooms reader Katherine Gerritsen of Grand Cane, Louisiana. Horticultural expert Melinda Myers says, “Abnormal growths on a variety ...

We have had numerous calls and samples about funny looking "bumps" on the leaves of oak trees. These growths are known as galls, and alarming as they may seem, they do not injure the plant. Galls are ...

Galls cause worry for tree owners each year, but in truth, most of these odd-shaped growths are more of a curiosity than a concern. This is the time of year people frequently begin to notice galls on ...

Spring is a great time of year. We can enjoy spending time outdoors with our friends and family and enjoy the views throughout our landscape. However, that view is sometimes interrupted by weird ...

When walking down a dusty dirt path as a kid, I would kick black balls that lay on the ground. Most of them would explode into powder. People told me they were poison, so I should leave them alone.

CUTLINES - Q: My pin oak tree has lumpy growth on the limbs that someone said were galls. What should I do about this? I don't want to lose my tree. C. B. TulsaA: Oak tree galls come in many forms, ...

Some leaves on my tree are coated with blisters, though the majority have only a few growths or none. Do I need to do anything? Otherwise, the tree seems OK. Shade-tree leaves get many types of galls, ...

Even though we have just experienced record low temperatures, and daytime high temps 20-plus degrees below average, spring will soon be here! And when the temperatures do start to climb, the tiny ...

I have attached a picture of what appears to be galls on my live oak tree. Can you determine if they are actually galls and whether they will impact the structural integrity of the limbs? M.S., Dallas ...

Spring is a great time of year. We can enjoy spending time outdoors with our friends and family and enjoy the views throughout our landscape. However, that view is sometimes interrupted by weird ...

Galls or cecidia are outgrowths on the surface of lifeforms. Plant galls are abnormal outgrowths of plant tissues, similar to benign tumors or warts in animals. They can be caused by various parasites ...