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PlantFiles: Sea Holly
Eryngium planum 'Blue Hobbit'

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Family: Apiaceae (ay-pee-AY-see-ee) (Info)
Genus: Eryngium (er-RIN-jee-um) (Info)
Species: planum (PLAN-um) (Info)
Cultivar: Blue Hobbit

2 vendors have this plant for sale.

6 members have or want this plant for trade.

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Category:
Perennials

Height:
12-18 in. (30-45 cm)

Spacing:
15-18 in. (38-45 cm)

Hardiness:
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)
USDA Zone 9a: to -6.6 C (20 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

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

Bloom Color:
Medium Blue
Silver/Gray

Bloom Time:
Mid Summer

Foliage:
Herbaceous
Silver/Gray

Other details:
Suitable for growing in containers

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; sow indoors before last frost

Seed Collecting:
Unknown - Tell us

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There are a total of 10 photos.
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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive jrtinker On Sep 17, 2010, jrtinker from Palmer, AK (Zone 3b) wrote:

Great plant. Seed germinates at 40F. Plant bloomed 1st year from seed sown in December and stratified, pulled to room temp in February. Has survived 4 Alaskan winters so far.

Regional...

This plant has been said to grow in the following regions:

Palmer, Alaska
Cherry Valley, Illinois
Baxter, Minnesota
Isle, Minnesota
Fargo, North Dakota
Doylestown, Ohio
New Hope, Pennsylvania
Knoxville, Tennessee
Lake Stevens, Washington



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