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Talus Slope Penstemon

Penstemon digitalis

Last reviewed: July 2026

Penstemon digitalis is a native Maine wildflower that blooms from May through July with white tubular flowers. This adaptable perennial thrives in full sun and attracts bees and hummingbirds to gardens.

Talus Slope Penstemon (Penstemon digitalis)
Photo: (c) Michael Ellis, some rights reserved (CC BY), uploaded by Michael Ellis

The USDA PLANTS Database (opens in new tab) does not flag Talus Slope Penstemon as toxic to livestock.

Light

full sun

Water

medium

Size

24"–48" H × 12"–24" W

Bloom

May, Jun, Jul

Native to

AL, AR, CT, DE and 32 more states

Pollinators

bees, hummingbirds

Deer

Resistant (per Prairie Moon Nursery)

Penstemon digitalis is a tall, upright perennial that produces spikes of white tubular flowers from May through July. This native wildflower forms clumps of lance-shaped green leaves and can reach up to 4 feet in height when in bloom. It thrives in full sun with moderate water needs and goes dormant in winter.

Growing Talus Slope Penstemon

Grow Talus Slope Penstemon in full sun and medium water. Mature plants reach 24 to 48 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

Talus Slope Penstemon takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: mid zone, backyard only.

  • Height of 4+ feet may exceed typical front yard plant standards
  • Can look weedy or unkempt when not in bloom
  • Wild appearance may not match manicured landscape expectations

Wildlife value

The tubular white flowers are excellent for attracting bees and hummingbirds during the long blooming period. This native plant provides important nectar sources for pollinators throughout late spring and summer.

Common questions

When does Penstemon digitalis bloom?
Penstemon digitalis blooms from May through July, producing white tubular flowers that attract pollinators.
What pollinators visit Penstemon digitalis?
This native penstemon attracts bees and hummingbirds with its tubular white flowers during the summer blooming period.
Where is Penstemon digitalis native?
Penstemon digitalis is native to Maine and grows naturally on talus slopes and rocky areas in the region.
Is Talus Slope Penstemon toxic to livestock?
The USDA PLANTS Database does not flag Talus Slope Penstemon as toxic to livestock.
Is Talus Slope Penstemon HOA-friendly?
Talus Slope Penstemon takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

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 Talus Slope 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