# Tree care guides

Arborists has 8 guides on arborists and tree care companies, grouped by country.

## General

- [How to choose an arborist](https://arborists.fyi/guides/choose-an-arborist.md): Match the person and company to the job, then compare evidence and written scopes.
- [Common tree diseases: what to record before a diagnosis](https://arborists.fyi/guides/common-tree-diseases.md): Recognize signs worth reporting without treating a photo or app as a diagnosis.
- [Hiring tree work safely](https://arborists.fyi/guides/hiring-tree-work-safely.md): Questions about site hazards, utilities, rescue planning and public access before a crew starts.
- [ISA certification explained](https://arborists.fyi/guides/isa-certification-explained.md): Check the person, the credential and the work proposed. A directory badge is a separate matter.
- [Pruning best practices for a written work plan](https://arborists.fyi/guides/pruning-best-practices.md): Use a clear pruning objective, an ANSI A300 based scope and local timing advice.
- [Storm tree damage and insurance](https://arborists.fyi/guides/storm-damage-and-insurance.md): Keep clear of hazards, record damage safely and ask your insurer what the policy covers.
- [What tree removal costs](https://arborists.fyi/guides/tree-removal-costs.md): Use a published US cost range as a starting point, then compare written quotes for the same tree and scope.
- [When you need a tree removal permit](https://arborists.fyi/guides/tree-removal-permits.md): Examples from Portland, Toronto and Austin, plus the official route for protected trees in England.