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 ...

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 ...