Western Wallflower
Erysimum asperum
Last reviewed: June 2026
Light
full sun
Water
low
Size
8"–24" H × 6"–12" W
Bloom
Apr, May, Jun, Jul
Native to
AR, CO, ID, IL and 10 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Western wallflower is a compact perennial that produces clusters of bright yellow to orange flowers from spring through mid-summer. This drought-tolerant native forms neat clumps and thrives in sunny, well-drained locations with minimal water once established.
In an HOA neighborhood
Western Wallflower is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The fragrant flowers are excellent for attracting bees and butterflies throughout the long blooming season. This plant serves as a host for several native butterfly species.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Western Wallflower fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.