ArborTIMES™ Spring 2026

How Specifications Enable Tree Care Estimating and Management ANSI A300 Standards Create Clarity for Customers and Crews By Katherine Gustafson

Miscommunication is one of the biggest stumbling blocks for tree care companies. Crews’ technical skill can be top-notch, but even stellar execution won’t salvage the damage caused by mismatched expecta- tions between customers and crews. Vague language during estimating and sales can turn a straightforward job into a callback, dispute, or damaged relationship. Employing the ANSI A300 standards ensures estimators can communicate the technicalities of the work clearly to non-experts. The A300 standards outline how to develop clear, consistent specifica- tions for tree care work, providing guide- lines for how to express the particulars of pruning, fertilizing, or managing trees. This language puts estimators, clients, and crews on the same page, increasing efficiency, safety, professionalism, and profitability.

“Those are incredibly important tools,” said Dane Buell, longtime arborist and former chair of the A300 committee.

The A300 standards outline how to develop clear, consistent specifications for tree care work, including pruning, fertilizing, or managing trees.

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