Sea holly is a perennial flower known for its striking purple-blue, thistle-like blooms that appear from midsummer to fall. With dark green leaves and an easy-care nature, it thrives in dry to medium ...

Most gardeners don't have good things to say about thistles. However, sea holly (Eryngium planum), also called flat sea holly, may change that opinion with its stunning steely-blue thistlelike flower ...

The plant blooms from early summer to early fall with the most profuse number of flowers in mid-summer. With a long tap root (it’s a member of the carrot family!), it’s drought-tolerant and actually ...

Add Yahoo as a preferred source to see more of our stories on Google. sea holly varieties Big Blue in bloom in sunny border There are 250 species of sea holly varieties to choose from, spanning dainty ...