Eryngium Species, Eryngo, Mediterranean Sea Holly

Eryngiumbourgatii

Family
Apiaceae (ay-pee-AY-see-ee)
Genus
Eryngium (er-RIN-jee-um)
Species
bourgatii (bour-GAH-tee-eye)
Synonym
Eryngium amethystinum
Eryngium pallescens
Eryngium planum
Eryngium tournefortii
Sun Exposure
Full Sun
Foliage
Deciduous
Height
18-24 in. (45-60 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
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Blue-Violet
Silver/Gray
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Bronze
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Lexington, Massachusetts

Ithaca, New York

Santa Fe, Texas

Stanwood, Washington

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Gardener's Notes:

3
positives
1
neutral
0
negative
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B
Cedarhome, WA (Zone 8b) | November 2009 | positive

Striking plant, which people always try to touch - ouch, watch out for the spines.

T
T
Santa Fe, TX (Zone 9b) | July 2005 | positive

A beautiful, unusual looking plant. It really stands out. It is growing here in poorly drained, wet soils, in full sun. The soil is mo...Read More

L
Ithaca, NY (Zone 5b) | January 2005 | positive

Grow in, well-drained, moderately fertile soil in full sun. Grows 6-18" tall and 12" wide. From Spain (Pyranees). zones 5-9.
...Read More

J
J
MD &, VA (Zone 7b) | August 2001 | neutral

Flowers mid to late summer. Curved and prckly jaged leaves veined with silver, blue stems and sliver spined blue or gray green flowerheads.

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