The oak trees in particular are in a prime position to keep spewing out pollen. "I don’t see too many oak catkins on the roadways just yet- they seem to be hanging in there, swinging and swaying ...

The branches of an oak tree are stained with a green tint from pollen at park in Richardson, Texas, Thursday, March 21, 2024. Credit: AP/Tony Gutierrez The best and first step to controlling ...

Earlier in the spring, tree pollen is the main culprit. After that grasses pollinate, followed by weeds in the late summer and early fall. FILE – The branches of an oak tree are stained with a ...