Rusty Foxglove
Digitalis ferruginea 'Gigantea'

Family: Plantaginaceae
Genus: Digitalis (dig-ee-TAH-liss) (Info)
Species: ferruginea (fer-oo-GIN-ee-a) (Info)
Cultivar: Gigantea
Synonym:Digitalis aurea
Synonym:Digitalis brachyantha
Synonym:Digitalis ferruginea f. membranaceoviolacea
Synonym:Digitalis pichleri

Category:

Biennials

Height:

36-48 in. (90-120 cm)

Spacing:

15-18 in. (38-45 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:

Sun to Partial Shade

Danger:

All parts of plant are poisonous if ingested

Bloom Color:

Bright Yellow

Brown/Bronze

Bloom Time:

Mid Summer

Foliage:

Herbaceous

Dark/Black

Smooth-Textured

Veined

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

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

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

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

Richmond, California

East Falmouth, Massachusetts

Leesburg, Virginia

Kalama, Washington

Gardeners' Notes:

No details have been posted.