Tree Care Standards and Guidelines


Trees need to be in good shape to ensure the health of their growth and structural integrity over their lives. The quality of the tree, its the planting process, and maintenance requirements should be developed with the best interests of the tree in mind. These specifications should be based on the current standards of research. These guides will guide your tree’s care so that they are healthy and flourish.

Specifications and Planting Details Provides the most current and peer-reviewed set of data as well as specifications available for the green industry in AutoCAD as well as PDF format that are suitable for those working in the field of green. These are specifically designed for landscape architects engineers contractors, architects arborists, urban foresters, municipalities , and state agencies. They are all open-source, free and editable to the liking of the individual user.

The American National Standards Institute (ANSI) A300 Standards for Tree Care Operations represents the tree care industry’s agreement on the best practices for tree care. The standards can be used to create specifications for tree care contracts. The A300 standard is composed of 10 parts:

  • Part 1 – Pruning
  • Part 2 – Fertilization
  • Part 3 – Support Systems (includes bracing, cabling, propping, and guying)
  • Part 4 – Lightning Protection Systems
  • Part 5 – Tree Management and Shrubs during site planning, Construction, and Development of the Site
  • Part 6 – Transplantation
  • Part 7: Integrated Vegetation Management (IVM) (management of vegetation along electric utility corridorsPart 7 – Integrated Vegetation Management (IVM) [management of vegetation in
  • Part 8: Root Management Standard
  • Part 9 Part 9 Tree Risk Assessment
  • Part 10: Integrated Pest Management

The tree care standards are available for purchase directly from professional and industry associations such those of the International Society of Arboriculture(ISA) and the Tree Care Industry Association(TCIA). A different collection of standards for safety, ANSI Z133.1, covers the safe working practices for arboriculture.

The Guidelines Specifications for Quality of Nursery Trees are a set of guidelines for the nursery trees that are grown in containers. If you adhere to these guidelines trees buyers are assured of top-quality nursery stock that is free of common imperfections and issues.


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