Pin Oak
Quercus palustrisMost common Bel Aire shade tree
Pruning approach
Pin oaks need crown cleaning (deadwood removal) more than crown thinning. Their natural form is downward-sweeping lower branches and an upward-sweeping crown — preserve it. Avoid removing more than ~10% of live canopy in a single visit.
Best window
January through March, when the tree is dormant. Never prune pin oaks in April through July — that's oak wilt transmission season in Kansas, and fresh cuts attract the sap-feeding beetles that vector the disease.
What to watch for
Yellow leaves in summer (chlorosis), not a fungal issue — it's iron deficiency from our alkaline soils. Chelated iron treatment can help. We'll flag it if we see it.