Sea Holly: Our Favorite Flowers

Add an exotic look to your garden with these extraterrestrial looking flowers.
Sea Holly

Sea Holly

Sea holly features blue green stems with masses of small metallic blue flower heads. It's a delight to butterflies and flower arrangers alike.

©2008, Dorling Kindersley Limited

2008, Dorling Kindersley Limited

Sea holly features blue green stems with masses of small metallic blue flower heads. It's a delight to butterflies and flower arrangers alike.

Sea holly (Eryngium x tripartitum) can grow to a height of 32 inches and spread 20 inches. This perennial prefers full sun and well-drained soil. Its cone-like purple bloom heads appear in mid to late summer and attract butterflies. Consider for your rock garden or as a specimen plant.