Sea Holly: Our Favorite Flowers
Add an exotic look to your garden with these extraterrestrial looking flowers.
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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.
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