California Gardens - The Year Round Gardening Site

Eryngium planum ~ Blue Eryngo, Flat Sea Holly

Eryngium planum grows to around 2 feet. The Blue Eryngo or Flat Sea Holly is a sought after cut flower dry or fresh. Eryngium planum is Winter hardy to zone 5. Eryngium planum is native to Central and Southeastern Europe. The Flat Sea Holly is drought tolerant and will not perform in a moist setting. Eryngium planum blooms late Spring to Fall. Plants do best in Full Sun. Our plants go dormant for the winter and multiply and spread slowly each year. Eryngium planum attracts the Painted Lady, Gray Hairstreak and Common Buckeye with its nectar and is a nice addition to the butterfly garden.

Eryngium Planum, Blue Eryngo, Flat Sea Holly

Blue thistlelike flowers of Eryngium planum known as Blue Eryngo or Flat Sea Holly. High resolution photos are part of our garden image collection.

Plants in the Eryngium genus featured on this site:
Eryngium planum * Blue Eryngo, Flat Sea Holly
Eryngium variifolium * Morrocan Sea Holly
Eryngium yuccifolium * Button Eryngo, Rattlesnake Master