Plant Maps
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Interactive EPA Ecoregions Map for Colorado

Based on Ecoregions developed by the EPA, Plantmaps Ecoregions describe areas of general similarity in ecosystems and in the type, quality, and quantity of environmental resources, as well as similarity of climate that can assist Colorado gardenders.

18a - Rolling Sagebrush Steppe
18d - Foothill Shrublands and Low Mountains
18e - Salt Desert Shrub Basins
18f - Laramie Basin
20a - Monticello-Cortez Uplands
20b - Shale and Sedimentary Basins
20c - Semiarid Benchlands and Canyonlands
20d - Arid Canyonlands
20e - Escarpments
20f - Uinta Basin Floor
21a - Alpine Zone
21b - Crystalline Subalpine Forests
21c - Crystalline Mid-Elevation Forests and Shrublands
21d - Foothills and Shrublands
21e - Sedimentary Subalpine Forests
21f - Sedimentary Mid-Elevation Forests and Shrublands
21g - Volcanic Subalpine Forests
21h - Volcanic Mid-Elevation Forests and Shrublands
21i - Sagebrush Parks
21j - Grassland Parks
22a - Shrublands and Hills
22b - San Luis Alluvial Flats and Wetlands
22c - Salt Flats
22e - Sand Dunes and Sand Sheets
25b - Rolling Sand Plains
25c - Moderate Relief Plains
25d - Flat to Rolling Plains
25h - Platte River Valley and Terraces
25l - Front Range Fans
26e - Piedmont Plains and Tablelands
26f - Mesa de Maya/Black Mesa
26g - Purgatoire Hills and Canyons
26h - Pinyon-Juniper Woodlands
26i - Pine-Oak Woodlands
26j - Foothill Grasslands
26k - Sandsheets