Columbine (Aquilegia) Plant Guidance by Larson’s Columbine is a delicate, airy perennial that shines in Connecticut gardens during mid-to-late May. Its unique, spurred flowers are a favorite for hummingbirds and work perfectly in woodland or cottage-style landscapes. • Light: Part shade (morning sun/afternoon shade). • Water: Keep soil moist but well-drained. • Hardiness: Zones 3–8…