Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee) (Info)
Genus: Penstemon (PEN-stem-on) (Info)
Species: acuminatus (ah-kew-min-AY-tus) (Info)
Category:
Alpines and Rock Gardens
Perennials
Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing:
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)
Hardiness:
USDA Zone 5b: to -26.1 °C (-15 °F)
Sun Exposure:
Full Sun
Danger:
Unknown - Tell us
Bloom Color:
Medium Blue
Bloom Time:
Mid Summer
Foliage:
Evergreen
Other details:
Average Water Needs; Water regularly; do not overwater
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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