Delphinium grandiflorum 'Butterfly Blue' is a bushy larkspur with intense blue flowers above finely dissected foliage. A dwarf form, 'Butterfly Blue' performs well in heat and humidity. It is an excellent choice for southern gardens.
Delphinium gradiflorum prefers light shade or morning sun and moist, well-drained soil. Avoid afternoon sun in warmer regions. Delphpinium 'Butterfly Blue' appreciates extra moisture during dry periods. It responds well to fertilization. Attractive to butterflies and hummingbirds. Cut back faded bloom stalks at main stem to encourage repeat blooming. Zones 3-7.