white kinda foamy sap coming from oak tree all over deck, is that honey dew? never had before. Sticky and messy , what is the cause
Extension
Message
From:
Richard Hentschel
Extension Educator, Horticulture
DuPage/Kane/Kendall Unit hentsche@illinois.edu
Hello, I suggest you contact your local Extension Office for a more accurate and focus response to your problem. I am not familiar with any kind of foamy sap from an Oak here in the Midwest. You have several kinds of Oaks that do the thrive here. Try http://ucanr.edu/County_Offices/