 | Summer Nights Delphinium. Dramatic and dark as their namesake, Summer Nights Delphinium (Delphinium grandiflorum 'Summer Nights') is a deeply saturated dwarf variety that makes a great perennial garden plant, cutting garden, or a great edging or container plant! Dense clusters of dark royal violet-blue to royal purple florets smother these stems with their blooms, each accented by a lighter eye or 'bee'! Deer seem to leave it be, while Butterflies and Hummingbirds love the masses of deep royal purplish-blue flowers in late... - Summer Nights Delphinium. |