Sea Holly has captivating spiky, silver-blue foliage that evokes the rugged beauty of seaside landscapes! Its spiky, thistle-like appearance and unique blue hues adds a touch of coastal charm to any garden. This 2-1/2' perennial is easy-to-grow, blooms all summer long, and can grow in almost any condition. Once established, it's heat and drought resistant, and staves off deer. Harvest and dry Sea Holly flowers for everlasting arrangements, wreaths, or crafts. The dried blooms retain their color and form exceptionally well.