Rebuild Tree Health Before the Rains: Deep Root Fertilization for Sonoma Landscapes

TreePro arborist performing deep root fertilization with soil injector on a drought-stressed oak.

After a Long, Dry Summer, Your Trees Need a Boost By late fall, Sonoma and Napa soils are tired. After months of heat, drought stress, and irrigation cutbacks, trees are often running on reserve energy. Then, just as the first consistent rains arrive, nutrient-depleted soil struggles to support root recovery. That’s where Deep Root Fertilization […]