Why proactive beats reactive
The reactive model: a tree looks sick, the homeowner calls a tree service, the company recommends treatment or removal, work happens, the relationship ends. Outcomes are mixed because diagnosis is often late and the underlying conditions persist. The proactive PHC model: an arborist visits 4-6 times per year on a regular schedule, monitors the entire landscape, catches problems at the earliest detectable stage, and intervenes when intervention is cheapest and most effective. Mature heritage trees in DFW have a 10x better long-term outcome under PHC than under reactive care.
The annual cycle
Visit 1 (February): dormant inspection, structural pruning, dormant-oil scale and mite suppression. Visit 2 (March-April): deep-root spring fertilization with chelated micronutrients, early pest scouting, oak wilt awareness window begins. Visit 3 (May): BLS injections if indicated, chlorosis correction, aphid and lace bug monitoring. Visit 4 (July): mid-summer drought-stress check, watering protocol confirmation, mid-season pest treatments. Visit 5 (August-September): late-summer disease vigilance (BLS symptoms peak), oak wilt monitoring, scale crawler treatments. Visit 6 (October-November): fall deep-root feeding, soil aeration if compacted, structural assessment ahead of winter storms.
What gets documented
Each visit produces a written record: trees inspected, condition rating per tree, treatments applied with product/dose/timing, observations and concerns, photos of changes from prior visits. Over years, this builds a complete care history we can reference and that conveys with the property if you sell.
The economics
A typical residential PHC program in DFW runs $400-$1,500 per year. A single mature live oak that dies of preventable oak wilt costs $3,000-$8,000 to remove and $1,500-$5,000 (plus 50 years) to replace. The math overwhelmingly favors PHC for any property with significant mature trees.
Who PHC is right for
Properties with mature heritage trees (over 12 inches DBH or 30+ feet tall), estates with significant landscape investment, HOAs and commercial properties with liability and aesthetic standards, neighborhoods with confirmed oak wilt or BLS pressure, and homeowners who view their trees as long-term assets rather than short-term decoration.