EPA Level I Region
Northwestern Forested Mountains covers the high country of the West: the Cascades, the Sierra Nevada, the Northern and Southern Rockies, and the ranges between them. Elevation matters more than latitude here, so conditions shift quickly over short distances, with snow-fed springs and dry summers. Natives such as red flowering currant, showy milkweed, and Rocky Mountain penstemon are adapted to that pattern and to soils that are usually thin and fast-draining.
Ecoregions inside it: 12. Native range is set at that finer level, so start there rather than here.
Pick the one that covers your yard. Each has its own plant list, conditions, and maintenance notes.
These ecoregions do not have their own page yet. The full plant library covers them in the meantime.
Pollinator Patch resolves your ZIP to its ecoregion and builds a front-yard plan tuned to the soil, climate, and HOA expectations where you actually live.