Penstemon Species, Brazos, Gulf Coast Penstemon, Pride of the Mountain, Sharpsepal Beardtongue

Penstemon tenuis

Genus
Penstemon (PEN-stem-on)
Species
tenuis (TEN-yoo-iss)
Synonym
Sun Exposure
Light Shade
Foliage
Evergreen
Smooth
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
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)
Bloom Color
Lavender
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From seed; direct sow outdoors in fall
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

, Al Hudud ash Shamaliyah

Midland City, Alabama

Ashdown, Arkansas

Augusta, Georgia

Cordele, Georgia

Richmond Hill, Georgia

Jeffersonville, Indiana

Ferriday, Louisiana

Gonzales, Louisiana

Jennings, Louisiana

New Orleans, Louisiana

Slaughter, Louisiana

Pontotoc, Mississippi

New York City, New York

North Tonawanda, New York

Tonawanda, New York

Holly Springs, North Carolina

Arlington, Texas

Austin, Texas(2 reports)

Belton, Texas

Brazoria, Texas

College Station, Texas

Crawford, Texas

Dallas, Texas

Denton, Texas

Dripping Springs, Texas

Fate, Texas

Fort Worth, Texas

Hempstead, Texas

Houston, Texas

Ingleside, Texas

Katy, Texas

Lockhart, Texas

Los Ebanos, Texas

Lufkin, Texas

North Richland Hills, Texas

Princeton, Texas

Richmond, Texas

Rockwall, Texas

Rowlett, Texas

Seadrift, Texas

Spring, Texas

Sugar Land, Texas

Van Alstyne, Texas

Kalama, Washington

show all

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Gardener's Notes:

11
positives
0
neutral
0
negative
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F
Vacherie, LA (Zone 9a) | September 2015 | positive

A nice native perennial wildflower that proudly holds its blooms up high. It's a shame the foliage looks so weedy (light greenish and cri...Read More

R
Mermentau, LA (Zone 8b) | February 2014 | positive

I love this penstemon! I've grown it in just about every garden I've ever made and it has never failed to thrill, especially when grown ...Read More

M
Dripping Springs, TX | October 2013 | positive

It was beautiful in part shade under a Live Oak tree In Central Texas. It has very alkaline limestone soils with oak leaf much build up. ...Read More

V
(Zone 8a) | October 2013 | positive

I planted GC penstemon in a blue garden and the flowers seemed a little too pink to belong there. Wondering if soil chemistry does affec...Read More

P
P
North Tonawanda, NY (Zone 6a) | April 2011 | positive

This Penstemon is growing on the west side of the house in my western NY garden so it isn't in full sun like my other penstemons and is i...Read More

M
Holly Springs, NC (Zone 7b) | November 2010 | positive

I have grown this plant in full sun here in zone 7b in moist soil and in fairly dry soil. It has done well in both locations. It survived...Read More

C
Denton, TX (Zone 8a) | April 2009 | positive

Planted several of these last Summer (2008) as given from a neighbor. Two of them came back this Spring, one of which is doing extremely...Read More

D
west Houston, TX (Zone 9a) | May 2006 | positive

Pefect little spring plant--early and cheerful; but tough enough to hold up to brutally hot and humid houston summers. Prefers poorly dra...Read More

M
Fate, TX (Zone 8a) | February 2006 | positive

i wouldn't be without this plant but i sowed seeds all over my yard 2 yrs. ago and last spring i pulled up hundreds of plants. so it can ...Read More

C
Hempstead, TX (Zone 8b) | June 2004 | positive

Reportedly grows well in most areas of Texas though is particularly at home in the S.E. corner of state where it grows naturally. Also kn...Read More

F
Josephine, Arlington, TX (Zone 8a) | April 2004 | positive

The Brazos Penstemon is a lovely perennial with pretty lavender flowers that bloom in the Spring together with primroses,oxeye daisy, and...Read More

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