Trees

Trees are plants growing over 15ft tall with woody stems that live for many years. Shrubs also have woody stems but grow less than 15ft tall; they are included in their respective flower color/shape pages.

a treea flowera treea tree
AspenBlack Locust Bog BirchBoxelder Maple
a treea treea treea tree
Colorado Blue SpruceDouglas FirEngelmann SpruceJuniper(5)
a treea treea treea tree
Lodgepole PineMountain AlderNarrow-leaf CottonwoodNarrow-leaf Hoptree
a treea treea tree
New Mexico OliveNorthern CatalpaOak(3)Piñon Pine
a treea treea treea tree
Ponderosa PineRio Grande CottonwoodRocky Mountain BirchRocky Mountain Maple
a treea treea flower
Russian OliveSiberian ElmSingle Leaf AshSnowball Tree
a treea flowera flowera tree
Subalpine Fir  TamariskWestern ChokecherryWhite Fir
a tree   
Willow(12)*