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Colorado Narrowleaf Beardtongue
Penstemon linarioides var. coloradoensis

Family: Plantaginaceae
Genus: Penstemon (PEN-stem-on) (Info)
Species: linarioides var. coloradoensis

Category:

Alpines and Rock Gardens

Perennials

Height:

6-12 in. (15-30 cm)

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)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Unknown - Tell us

Bloom Color:

Violet/Lavender

Bloom Time:

Late Spring/Early Summer

Foliage:

Evergreen

Blue-Green

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

Regional

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

Colorado Springs, Colorado

Parker, Colorado

Salt Lake City, Utah

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Jun 24, 2007, dicentra63 from West Valley City, UT (Zone 6b) wrote:

Delicate light-blue flowers on low-growing, feathery foliage. Foliage is reminiscent of P. pinifolius.