Bush Penstemon
Penstemon ambiguus
Last reviewed: June 2026
Light
full sun
Water
low
Size
12"–24" H × 12"–18" W
Bloom
May, Jun, Jul
Native to
AZ, CO, KS, NE and 6 more states
Pollinators
bees, hummingbirds
Browse plants for this ecoregion
Bush penstemon is a compact, drought-tolerant perennial that forms neat mounds of small leaves topped with delicate tubular flowers from May through July. This hardy native thrives in full sun with minimal water, making it perfect for xeriscaping and low-maintenance gardens.
In an HOA neighborhood
Bush Penstemon 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 tubular flowers are particularly attractive to hummingbirds and various native bee species throughout the summer blooming period.
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 Bush Penstemon fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.