Family: Boraginaceae
Genus: Anchusa (an-KOO-suh) (Info)
Species: officinalis (oh-fiss-ih-NAH-liss) (Info)
 2 vendors have this plant for sale.
2 members have or want this plant for trade. Category:
Biennials
Perennials
Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing:
Unknown - Tell us
Hardiness:
USDA Zone 8b: to -9.4 °C (15 °F)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Handling plant may cause skin irritation or allergic reaction
Bloom Color:
Dark Blue
Violet/Lavender
Purple
Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Foliage:
Herbaceous
Other details:
May be a noxious weed or invasive
Soil pH requirements:
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Propagation Methods:
From seed; direct sow outdoors in fall
From seed; direct sow after last frost
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Wear gloves to protect hands when handling seeds
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