Family: Apiaceae (ay-pee-AY-see-ee) (Info)
Genus: Eryngium (er-RIN-jee-um) (Info)
Species: amethystinum (am-eth-ee-STEE-num) (Info)
 2 vendors have this plant for sale.
9 members have or want this plant for trade. Category:
Alpines and Rock Gardens
Height:
12-18 in. (30-45 cm)
Spacing:
12-15 in. (30-38 cm)
Hardiness:
USDA Zone 2a: to -45.5 °C (-50 °F)
USDA Zone 2b: to -42.7 °C (-45 °F)
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Sun Exposure:
Full Sun
Danger:
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color:
Blue-Violet
Bloom Time:
Mid Summer
Late Summer/Early Fall
Foliage:
Grown for foliage
Other details:
Drought-tolerant; suitable for xeriscaping
Soil pH requirements:
Unknown - Tell us
Patent Information:
Non-patented
Propagation Methods:
Unknown - Tell us
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
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