Delphinium grandiflorum 'Summer Nights' | Summer Nights Delphinium
Deepest violet-blue flowers on a well branched plant from early summer to fall. Blooms within the first year of planting. Makes them perfect for bedding borders or containers, providing a colourful display all summer. Attracts butterflies and hummingbirds.
Exposure: Full Sun Bloom Time: Summer Height x Width: 10-12" x 12-15" Hardiness: -40°C to -34°C USDA Zone: 3