Photo by Melody

PlantFiles: Rock Penstemon, Shrubby Penstemon
Penstemon baccharifolius

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Family: Plantaginaceae
Genus: Penstemon (PEN-stem-on) (Info)
Species: baccharifolius (bak-uh-rih-FOH-lee-us) (Info)

One member has or wants this plant for trade.

Category:
Shrubs

Height:
18-24 in. (45-60 cm)

Spacing:
9-12 in. (22-30 cm)

Hardiness:
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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Red
Scarlet (Dark Red)

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous
Velvet/Fuzzy-Textured

Other details:
Drought-tolerant; suitable for xeriscaping

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 herbaceous stem cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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By Jeff_Beck
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By Jeff_Beck
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By frostweed
Thumbnail #3 of Penstemon baccharifolius by frostweed

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There are a total of 8 photos.
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Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive LindaTX8 On Mar 8, 2007, LindaTX8 from NE Medina Co., TX (Zone 8a) wrote:

I first saw this plant growing out of what seemed to be solid rock on a steep road-cut beside a highway. Blooming away in the heat and dryness of summer. Lovely! Later I discovered you can actually buy this plant at certain nurseries! I love it!

Positive frostweed On Jun 1, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Rock Penstemon is a Texas Endemic perennial plant, that will bloom in full sun or part shade,

Regional...

This plant has been said to grow in the following regions:

Chandler, Arizona
Mesa, Arizona
Picture Rocks, Arizona
Arlington, Texas
Crawford, Texas
Dalworthington Gardens, Texas
El Paso, Texas
Grey Forest, Texas
Uvalde, Texas



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