🌲 Front Range Plant FinderPlant finder

Beardlip penstemon

Penstemon barbatus

Compiled by · Reviewed against the 2024 Front Range Tree Recommendation List, CSU Extension & Plant Select® · Updated 2026-07-04

Beardlip penstemon (Penstemon barbatus) is a Colorado-native shrub suited to the Colorado Front Range. It matures to about 2–4 ft tall and 1–2 ft wide, needs low water, and prefers full sun. Native penstemon with vivid red tubular flowers, hummingbird magnet. Excellent drainage required.

Colorado nativeOn the CSU listlow water2–4 ft tall and 1–2 ft wideXeric / water-wiseDeer-resistant

Photos

Plan your garden

Not sure what to plant? The finder matches Front Range trees, shrubs, perennials, and groundcover to your soil, water, sun, and zone.

Ready to plant this?

At a glance

Botanical name
Penstemon barbatus
Variety / cultivar
'Coccineus', 'Schooley's Yellow'
Type
Shrub
Mature size
2–4 ft tall and 1–2 ft wide
Planting spacing
~2 ft apart (1 ft for a hedge/screen)
Bloom length
Long (several weeks)
Hardiness zones
USDA 3–8
Growth rate
Moderate
Water needs
low water
Sun
Best in full sun.
Colorado native
Yes
Foliage
Semi-evergreen
Soil
sandy, well drained only
Soil pH
6.5–8.5
Hail tolerance
moderate
Wind tolerance
high
Salt tolerance
moderate
Bloom color
red, pink
Bloom time
early summer, mid summer
Pollinator value
high
Site uses
Slopes & erosion control, Hellstrips / parking strips

Wildlife & ecology

Pollinator value
high
Deer
Generally deer-resistant
Native ecoregion
foothills, montane

Planting & establishment

Water sparingly even during the first summer, these xeric species are prone to crown rot from overwatering, especially in clay. Once established, no supplemental water needed.

Frequently asked questions

Is Beardlip penstemon good for the Colorado Front Range?
Yes, Beardlip penstemon is a well-suited shrub for Colorado's Front Range.
How big does Beardlip penstemon get?
It matures to about 2–4 ft tall and 1–2 ft wide.
How far apart do I plant Beardlip penstemon?
Space Beardlip penstemon about 2 ft apart for a full, natural form, or about 1 ft apart for a faster hedge or screen.
Is Beardlip penstemon hardy on the Front Range?
Beardlip penstemon is hardy in USDA 3–8. The Colorado Front Range spans roughly USDA 4b–6a, so it is well within range.
How much water does Beardlip penstemon need?
It needs low water once established.
How fast does Beardlip penstemon grow?
Beardlip penstemon is a moderate-growing shrub. Growth rate depends on water and site conditions on the Front Range.
Is Beardlip penstemon native to Colorado?
Yes. It is a Colorado native.
Is Beardlip penstemon deer-resistant?
Beardlip penstemon is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.
How long does Beardlip penstemon bloom?
Beardlip penstemon blooms for several weeks, a long-season performer on the Front Range. Bloom timing shifts a week or two with elevation and spring weather.

Find Beardlip penstemon near you

See also

Related shrubs