Amethyst Sea Holly
Eryngium
Apiaceae · perennial · introduced
Last updated
Quick Facts
Height
4 ft
Light
Full Sun
Soil
Moist
Water
Moderate
Hardiness
Zones 5a–9b
Bloom Time
july to august
Origin
North America
Cultivars (1)
'Sapphire Blue'
Sea Holly
Data Maturity Baseline Extension data. Expert review underway.