Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee) (Info)
Genus: Penstemon (PEN-stem-on) (Info)
Species: angustifolius (an-gus-tee-FOH-lee-us) (Info)
 One vendor has this plant for sale.
Category:
Alpines and Rock Gardens
Perennials
Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing:
6-9 in. (15-22 cm)
9-12 in. (22-30 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)
Sun Exposure:
Full Sun
Danger:
Unknown - Tell us
Bloom Color:
Pink
Light Blue
Medium Blue
Violet/Lavender
Bloom Time:
Mid Summer
Foliage:
Evergreen
Smooth-Textured
Other details:
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
This plant may be considered a protected species; check before digging or gathering seeds
Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
Patent Information:
Unknown - Tell us
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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