Colorado State University

Extension

Contact your local county Extension office through our County Office List.

Online Directory

Call Us

Key to Identifying Common Colorado Landscape Trees – 61

Previous Steps

1b – Alternate leaf arrangement on stem — go to 18
- 18b – Leaf compound — go to 58
  - 58b – More than 3 leaflets — go to 59
    - 59a – Entire or very finely serrate leaflet margins — go to 60
      - 60a – Thorns — go to 61

Current Step

61a – Pair of 1/4 to 1/2 inch prickles at nodes — Black Locust

61b – Trunk and main branches with many thick, sharp thorns — Honeylocust

Resources

About Us

Colorado State Extension Master Gardeners work to enhance Coloradans’ quality of life by extending knowledge-based education to local communities, helping individuals make informed decisions about plants and fostering successful gardeners while protecting neighborhood environments.

Have a question?

Available to All

Colorado State University Extension is an equal access and equal opportunity University and program. Learn more https://col.st/ll0t3

Colorado State University

Extension

Key to Identifying Common Colorado Landscape Trees – 61

Have a Question

Instagram Feed

About Us

Have a question?

Available to All

Search