Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee) (Info)
Genus: Digitalis (dig-ee-TAH-liss) (Info)
Species: sibirica (sy-BEER-ah-kuh) (Info)
Category:
Perennials
Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing:
12-15 in. (30-38 cm)
Hardiness:
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)
USDA Zone 10a: to -1.1 °C (30 °F)
Sun Exposure:
Sun to Partial Shade
Light Shade
Danger:
All parts of plant are poisonous if ingested
Bloom Color:
Pale Yellow
Bloom Time:
Late Spring/Early Summer
Mid Summer
Foliage:
Evergreen
Smooth-Textured
Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Suitable for growing in containers
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information:
Non-patented
Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
Seed Collecting:
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
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