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Showy Penstemon

Penstemon spectabilis

Last reviewed: July 2026

Penstemon spectabilis is a drought-tolerant California native wildflower that produces showy pink tubular flowers from April through June. This perennial attracts hummingbirds and native bees to gardens throughout its natural range.

Showy Penstemon (Penstemon spectabilis)

Showy Penstemon (Penstemon spectabilis) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), 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

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.

Growing Showy Penstemon

Grow Showy Penstemon in full sun and low water. Mature plants reach 12 to 36 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

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.

  • 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.

Common questions

When does Penstemon spectabilis bloom?
Showy Penstemon typically blooms from April through June, producing clusters of tubular pink to rose-colored flowers.
What pollinators visit Penstemon spectabilis?
This native penstemon attracts hummingbirds with its tubular flowers and also supports various native bee species including carpenter bees and leafcutter bees.
How much water does Showy Penstemon need?
Penstemon spectabilis is drought-tolerant once established and thrives with low water conditions, though it can tolerate occasional moderate watering.
Where is Penstemon spectabilis native?
Showy Penstemon is native to California, particularly found in chaparral, oak woodlands, and desert slopes throughout much of the state.
Is Showy Penstemon toxic to dogs?
Showy Penstemon is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
Is Showy Penstemon toxic to cats?
Showy Penstemon is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
Is Showy Penstemon HOA-friendly?
Showy Penstemon is generally an HOA-friendly choice in the right placement, with low maintenance.

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.

Ready to grow Showy Penstemon? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz