Small-flower penstemon
Penstemon procerus
Last reviewed: October 2026
Small-flower penstemon (Penstemon procerus) is a perennial forb native to CA, CO, ID, MT and 6 more states. It blooms in June, July, and August. The flowers draw bumble bees and native bees.

Toxicity unknown
Small-flower penstemon (Penstemon procerus) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
4"–12" H × 6"–12" W
Bloom
Jun, Jul, Aug
Native to
CA, CO, ID, MT and 6 more states
Pollinators
bumble bees, native bees
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 458 programs across 44 states, each with a link to the provider and the date we last checked it.
Find rebates in your areaPicture natives in your own yard
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Browse plants for this ecoregion
A small, tufted perennial with narrow basal leaves and dense whorled clusters of small blue-purple flowers on short stems. Forms a tidy, low mat in rocky meadows and open slopes.
Growing Small-flower penstemon
Grow Small-flower penstemon in full sun and low water. Mature plants reach 4 to 12 inches tall and spread 6 to 12 inches wide.
Wildlife value
Its compact clustered flowers are an efficient nectar stop for bumble bees and other native bees.
Common questions
- How much sun does Small-flower penstemon need?
- Small-flower penstemon grows best in full sun conditions.
- When does Small-flower penstemon bloom?
- Small-flower penstemon blooms in June, July, and August.
- Where is Small-flower penstemon native?
- Small-flower penstemon (Penstemon procerus) is native to CA, CO, ID, MT and 6 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Small-flower penstemon attract?
- Small-flower penstemon draws bumble bees and native bees.
Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Small-flower penstemon? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
