When you look up into the bare branches of some oak trees at this time of year, you can see ball-shaped growths hanging there, looking almost like nature’s Christmas ornaments. These are galls. A gall ...

Plenty of animals build their homes in oak trees. But some very teeny, tricky insects make the tree do all the work. “What nerve!” you might say. What … gall! And you’d be right. Oak galls are caused ...

Earlier this month my colleague, LyAnn Graff, brought in an interesting looking fuzz ball surrounding a thin leafy branch of a burr oak tree. It was about the size of a golf ball, but with red-tipped ...

We all know forests harbor diverse ecosystems... As such, even in densely populated areas, trees of all shapes and sizes thrive. I only live about ten minutes outside of the city, and I have towering ...

Many coast live oak (Quercus agrifolia) trees are showing unusual browning in their canopies in the last month or two. If you look carefully, you may see small, crescent-shaped galls forming on the ...

Q: The oaks in our neighborhood have some type of gall or insect egg case under each leaf. It is about the size of a pencil eraser and is fuzzy tan. Should we be concerned? - B.S., Houston A: It ...

Woolly oak gall Goldenrod ball gall and bunch gall on same plant. Ruth Smith photo. Oak apple gall. Ruth Smith photo. A friend sent me a text message recently in which she asked, “Any idea what these ...

When you look up into the bare branches of some oak trees at this time of year, you can see ball-shaped growths hanging there, looking almost like nature’s Christmas ornaments. These are galls. A gall ...