Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Xylorhiza (zy-low-RY-zuh) (Info)
Species: tortifolia (tor-tee-FOH-lee-uh) (Info)
Category:
Perennials
Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing:
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
Hardiness:
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)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Unknown - Tell us
Bloom Color:
Violet/Lavender
Bloom Time:
Late Winter/Early Spring
Mid Spring
Late Spring/Early Summer
Foliage:
Deciduous
Silver/Gray
Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Soil pH requirements:
Unknown - Tell us
Patent Information:
Unknown - Tell us
Propagation Methods:
From seed; direct sow outdoors in fall
Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
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