Firewitch' dianthus (Dianthus gratianopolitanus) should be in the running if your planting site ... This perennial's gorgeous pink flowers bloom in May and June, drawing bees, butterflies, and ...

Newer varieties of Catmint grow in a neat mound, and "lavender, blue, or pink flowers last for weeks from spring to late summer", according to Southern Living. However, even as an easy-to-grow ...