Showy Penstemon
Penstemon spectabilis
Last reviewed: June 2026
Showy Penstemon (Penstemon spectabilis) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
12"–36" H × 12"–24" W
Bloom
Apr, May, Jun
Native to
CA
Pollinators
bees, hummingbirds
Browse plants for this ecoregion
Showy penstemon features striking stalks of purple-blue flowers that rise above attractive gray-green foliage. This native species blooms profusely in spring and early summer, creating vertical interest in water-wise gardens. It remains evergreen year-round with minimal maintenance.
In an HOA neighborhood
Showy Penstemon is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone, backyard only.
- May look slightly sparse when not in bloom
- Could require staking in windy areas
Wildlife value
Showy penstemon is highly attractive to native bees and a favorite of hummingbirds. The tubular flowers provide an excellent nectar source during its bloom 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 Showy Penstemon fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.