Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see) (Info)
Genus: Penstemon (PEN-stem-on) (Info)
Species: barrettiae
Category:
Alpines and Rock Gardens
Perennials
Height:
6-12 in. (15-30 cm)
Spacing:
15-18 in. (38-45 cm)
Hardiness:
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)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Unknown - Tell us
Bloom Color:
Rose/Mauve
Bloom Time:
Late Spring/Early Summer
Mid Summer
Foliage:
Evergreen
Blue-Green
Smooth-Textured
Succulent
Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
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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