Moss Phlox (Phlox subulata) is a richly flowering, clump-forming phlox that stays green in both summer and winter. In spring these plants produce innumerable crimson and white flowers that attract butterflies. These Phlox like to be planted in full sunshine.
Pretty enough to eat! Mums and ornamental cabbages "All chrysanthemum flower petals are edible and are often an ingredient in tea; however, only the species Chrysanthemum coronarium has edible greens."