"Things You Wouldn't Know If We Didn't Blog Intermittently."
"They're caused by the White (or Red) Cone Gall Wasp, Andricus kingi that created these Red Cone Galls found on a Valley Oak, Quercus lobata."
Is this a seasonal issue, or are these cone galls going to continue to grow every year now? How do I get rid of them?
I have no idea. Mr. Google offered this -http://www.missouribotanicalgarden.org/gardens-gardening/your-garden/help-for-the-home-gardener/advice-tips-resources/pests-and-problems/other/galls/galls-on-trees.aspx