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Eryngium Species, Amethyst Sea Holly

Eryngiumamethystinum

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Family

Apiaceae (ay-pee-AY-see-ee)

Info

Genus

Eryngium (er-RIN-jee-um)

Info

Species

amethystinum (am-eth-ee-STEE-num)

Info

Synonym

Eryngium australe

Eryngium orientale

Eryngium siculum

Sun Exposure

Full Sun

Foliage

Grown for foliage

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)

Danger

Plant has spines or sharp edges; use extreme caution when handling

Bloom Color

Blue-Violet

Bloom Time

Mid Summer

Late Summer/Early Fall

Other Details

Gardener's Notes:

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lmelling

Ithaca, NY (Zone 5b) | October 2004 | positive

Grows wonderfully in well drained soil. I started with one and now have 4 growing in their little patch after 3 years. I have successfu...Read More

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Eryngium Species, Amethyst Sea Holly

Eryngiumamethystinum

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