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

Close Icon
Master Gardeners enhance Colorado communities through outreach, education and environmental stewardship.

Key to Identifying Common Colorado Landscape Trees – 29   arrow

Previous Steps

Current Step

  • 29a – Long, very sharply pointed lobes. Small round white pith. Smooth white bark. Branches weeping and slender — Cutleaf Weeping Birch


  • 29b – Lobes are short and rounded; margins of lobes are serrated. Pith is pale. Tiny red/blrown, shiny, hairless buds. Hairless stems — Thornless Hawthorn


  • 29c – Short, rounded lobes with serrated margins. Hair on tip of young stems and on tips of bud scales. Spur shoots (short, compacted branches) are present — Crabapple


  • 29d – Lobes are coarsely serrated.  Brown bark. Triangular pith.  Female catkin appears as a woody “cone”; male catkin is papery — Thinleaf Alder