This includes perennials with loosely-formed leaf clumps, including dianthus, coreopsis, yarrow, columbine ... Try 'Bath's Pink' (pale pink heirloom), 'Firewitch' (hot pink with blue-green ...
Yarrow is a hardy perennial known for its feathery foliage ... including white, yellow, pink, and red. This plant is excellent for adding texture and interest to your garden.