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Key to Identifying Common Colorado Landscape Trees – 39

Previous Steps

1b – Alternate leaf arrangement on stem — go to 18
- 18a – Leaf simple — go to 19
  - 19b – Thornless — go to 22
    - 22e – All leaves unlobed — go to 31
      - 31c – Leaf is long and narrow (3-4 times longer than wide — go to 37
        
        37b – More than one bud scale — go to 39

Current Step

39a – Stem yellowish-green to gray. Catkins drooping — Narrowleaf Cottonwood

39b – Stem reddish above, greenish beneath. No catkins — Peach

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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.

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