Spring is the time when oak trees have the highest chance of contracting oak wilt disease; pruning in spring leaves them very vulnerable to this disease. The Texas Forest Service will tell you that the riskiest time to prune oaks is from February 1st through June 30th. Please help protect your property and your neighbors property an not Pruning or trimming of any type of oak tree until July 1st.
Pruning or trimming of any type of oak tree is prohibited from February 1st until June 30th to help prevent oak wilt. Oak wilt is present in Castle Hills and the surrounding areas. Oak tree trimming is permitted from July 1st through January 31st.
A resident may trim their own trees at the residence they occupy without obtaining a permit. Residents may not trim oak trees February 1st thru June 30th. Any contractor, landscape contractor, tree trimmer or other entity who receives compensation must obtain a permit before trimming, pruning or removing trees. The permit fee for oak trees is $50. All other tree permits are $25. Permits are valid for 30 days only and are specific to the address for which the permit has been issued.
Follow link for Tree Trimming Permit Application.
Oak Tree Painting
All cuts on oak trees must be painted within 1 hour of the cut with opaque paint to prevent contact with contaminated nitidulid beetles, regardless of who cuts the tree.