The worst time to prune a tree is in the spring time, when the Oak trees are more susceptible to diseases and fungi such as oak wilt. Oak wilt is a disease easily transmitted from tree to tree by beetles. When an oak tree is cut in the spring the cut will ooze sap, attracting the beetles and thereby infecting the tree.
Jan 02, In most cases, the best time to prune oak trees is November 1 to March That’s because sap beetles, insects that spread oak wilt, are active from April to August. These beetles sniff out the sweet smell of the oak wilt fungus on infected trees, feed on the fungus and then spread it to healthy oak trees that have fresh pruning cuts. So, pruning oaks during the. So now we could say that the safest time to prune oaks would begin in mid-July and extend through mid-February (early February in South Texas), and the time to avoid would be just the inverse: mid-February (early February in South Texas) through stumpclearing.buzzted Reading Time: 2 mins.
Southern Red Oak Quercus falcata. Native Range: Southeastern United States Zone: 6 to 9 Height: to feet Spread: to feet Bloom Time: April to May Bloom Description: Green (female), Red (male) Sun: Full sun Water: Dry to medium Maintenance: Low Suggested Use: Shade Tree, Street Tree Flower: Insignificant Tolerate: Drought, Air Pollution.