Penstemon Species, Beardlip Penstemon, Beard Tongue, Firecracker Penstemon, Red Penstemon

Penstemon barbatus

Genus
Penstemon (PEN-stem-on)
Species
barbatus (bar-BAY-tus)
Synonym
Sun Exposure
Full Sun
Foliage
Evergreen
Height
4-6 ft. (1.2-1.8 m)
Spacing
9-12 in. (22-30 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Danger
All parts of plant are poisonous if ingested
Bloom Color
Pink
Red
Bloom Time
Mid Summer
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
By simple layering
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Anchorage, Alaska

Tucson, Arizona

Yuma, Arizona

Alamo, California

Glen Avon, California

Merced, California

Pedley, California

Rubidoux, California

Sacramento, California

Sunnyslope, California

Waterford, California

Newnan, Georgia

Downers Grove, Illinois

Mount Prospect, Illinois

Greenville, Indiana

Westminster, Maryland

North Billerica, Massachusetts

Worcester, Massachusetts

Farmington, New Mexico

Gresham, Oregon

Bulverde, Texas

Garland, Texas

San Antonio, Texas

Spicewood, Texas

Virginia Beach, Virginia(2 reports)

Kalama, Washington

Puyallup, Washington

Spokane, Washington

Vancouver, Washington

Washougal, Washington

Ellsworth, Wisconsin

Necedah, Wisconsin

Tomah, Wisconsin

show all

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Gardener's Notes:

5
positives
2
neutrals
4
negatives
Sort By:
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G
Gresham, OR | May 2014 | positive

My Elfin Pink is 4 years old, and blooms faithfully every spring, but...I want it to spread, and it doesn't. It also needs staked, or the...Read More

R
R
Riverside, CA (Zone 9b) | July 2010 | positive

Doing great in our 100 degree heat. Gets morning shade and 100 degree afternoon sun. Deadheaded and get twice as many blooms. Really pl...Read More

D
Worcester, MA | June 2010 | neutral

Kept mine in a pot outside for 2 seasons, over-wintered in the 3-season mudroom. Foliage grew, never bloomed. Got tired of moving the po...Read More

A
Montague, NJ | April 2008 | negative

I bought tons of penstemons from Lowes the past two summers. They're supposedly hardy perennials. They bloom like crazy in the summer b...Read More

M
Coon Rapids, MN (Zone 4a) | April 2008 | negative

I have tried one or two different cultivars of this species - they all sulk the first year, then die during the winter - not worth my time.

M
M
Virginia Beach, VA | June 2007 | positive

This plant was given to me as a pass along recently. I plopped some of it in the ground and some in a pot, they are all growing like craz...Read More

L
Garland, TX (Zone 8a) | July 2006 | negative

I had it planted in a part shade location (morning sun, afternoon dappled tree shade, a bit of late day sun), watered it every 5 days in ...Read More

S
Atlanta, GA (Zone 7b) | May 2005 | positive

Atlanta: I - like hugahosta - was ready to rip all mine out this year if they didn't bloom and - WOW! - they are all blooming now. I have...Read More

P
Westminster, MD (Zone 6b) | May 2005 | positive

Positive and then some! What a simply gloriously rewarding plant! Quite easy care, just no worries with this sweetheart of a perennial....Read More

S
Springboro, OH (Zone 6a) | October 2004 | negative

I planted a penstemon in Virginia in the spring under the right soil/light conditions and it did not bloom all season. The foliage grew, ...Read More

B
B
Baa
| August 2002 | neutral

Tall, semi-evergreen perennial from Central and North America.

Has linear to lance shaped, mid to blue green leaves. Bears...Read More

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