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Eryngium Hybrid, Sea Holly

Eryngiumx oliverianum

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Family

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

Info

Genus

Eryngium (er-RIN-jee-um)

Info

Synonym

Sun Exposure

Full Sun

Foliage

Textured

Height

24-36 in. (60-90 cm)

Spacing

15-18 in. (38-45 cm)

Hardiness

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

Unknown - Tell us

Bloom Color

Dark Blue

Bloom Time

Mid Summer

Late Summer/Early Fall

Other Details

Gardener's Notes:

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positive

neutrals

negative

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lmelling

Ithaca, NY (Zone 5b) | January 2005 | neutral

Clump forming, herbaceous perennial with long taproot. Ovate, slightly 3-lobed, spiny-toothed, dark green basal leaves 3-6" long with co...Read More

spklatt

Ottawa, ON (Zone 5a) | January 2005 | neutral

Propagation is by root cuttings. Division difficult because of long tap-root.

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