Penstemon Species, Beard Tongue, Rocky Mountain Penstemon, Pride of the Mountain
Penstemonstrictus

Family: Plantaginaceae Genus: Penstemon (PEN-stem-on)
Species: strictus (STRIK-tus)

Synonym:Penstemon strictus subsp. angustus

Category

Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Full Sun

Foliage

Evergreen
Smooth

Foliage Color

Unknown

Height

24-36 in. (60-90 cm)

Spacing

18-24 in. (45-60 cm)

Hardiness

USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)

Where to Grow

Unknown

Danger

Unknown

Bloom Color

Blue-Violet

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer

Other details

Unknown

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
Properly cleaned, seed can be successfully stored