Arborist Journal
Seasonal guidance for Pacific Northwest yards
100%
ISA Certified
12 yrs
Local Research
4 seasons
Care Guides






Current Issues
Timely advice from certified arborists to keep trees vigorous and turf healthy through seasonal shifts.
Winter Care
Summer Care
Risk Management
Dormant Oak Pruning
Soil Aeration & Moisture
Identifying Early Decay
Pruning oaks during winter dormancy prevents fungal wilt spread and encourages vigorous spring crowns.
Soil aeration and deep root injection restore moisture retention in compacted suburban yards.
Identifying early bark cracks and hollow trunks prevents high-cost emergency storm removals.
Arborist Note
Trees buried too deeply by builders often develop girdling roots that choke the stem. Excavating the root flare saves decades of canopy decline.
Lead Certified Arborist, Oakhaven Tree Care
