Scientific Name
Eryngium spp.
Common Name
Sea holly

Characteristics

Season
summer
Height
24-36 inches
Hardiness
USDA Hardiness Zone 2-8
Flower Color
blue
Soil
dry, sandy soil
Exposure
full sun
Propagation
separate plantlets from base of mother plant
North Carolina Regions
Mountains, Piedmont, Coastal Plain
Comments
Sea hollies are tolerant of salty, coastal winds and dry, sandy soils. They also prosper in inland gardens, and are very drought tolerant. The ornamental interest is in the leaves: spiny, thick and white-veined in some species.
Origin
Europe

Prepared by: orginally by Alice B. Russell, retired Extension Specialist, NC State University
                     maintained and expanded by Erv Evans, Consumer Horticulturist, NC State University

Images: ©Alice B. Russell and Erv Evans

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