Evidence-Based Tree Care
Tree Care Resources & References
A practical reference shelf for tree owners, property managers and anyone who wants to understand the standards and science behind professional arboriculture.
International Society of Arboriculture
Tree-owner information from ISA.
Tree Owner Resources
ISA’s central collection of public guidance about tree selection, planting, pruning, health and risk.
Open resource ↗Why Hire an Arborist?
What training, experience and professional qualifications mean when selecting tree care.
Read the guide ↗Pruning Your Trees
Consumer guidance about pruning objectives, timing and avoiding harmful practices.
Read about pruning ↗Managing Hazards and Risk
Tree-risk, storm-damage and construction-related information for property owners.
Explore risk resources ↗Plant Health Care
An introduction to proactive, whole-tree management rather than treating isolated symptoms.
Explore tree health ↗Planting a Tree
Guidance on planting practices that influence establishment and long-term tree performance.
Read planting guidance ↗Oklahoma Resources
Guidance for our climate and communities.
Oklahoma Trees
Tree selection, planting, young-tree pruning and tree-owner materials from Oklahoma Forestry Services.
Visit Oklahoma Trees ↗Tree Insects and Diseases
Oklahoma Forestry Services links to information about tree pests and diseases affecting the state.
Review insects and diseases ↗Pruning Ornamental Trees
Oklahoma State University Extension information about pruning trees, shrubs and vines.
Read OSU guidance ↗Planting Trees and Shrubs
OSU Extension guidance covering site preparation, planting depth and early establishment.
Read OSU guidance ↗Professional Standards
Standards guide the work.
Professional arboriculture uses established terminology, objectives and performance standards. Jennings’ Tree Service plans work with reference to current industry practices and the observable conditions of the tree and site.
ANSI A300 Tree Care Standards
TCIA’s overview of the consensus standards for professionals who manage trees, shrubs and other woody landscape plants.
Review the standards overview ↗Jennings Tree Service
Apply the information to your trees.
Tree Pruning
Objectives, proper cuts and preservation-minded pruning.
Explore pruning →Tree Health Care
Diagnosis, monitoring and treatment planning.
Explore tree health →Tree Risk Assessment
Structured assessment of tree condition, targets and likelihood of failure.
Explore risk assessment →Need Help Interpreting What You See?
Put the reference material in context.
Call or text to arrange an inspection or discuss whether a formal assessment is appropriate.