Scientific Name : Delphinium grandiflorum
Common Name : Delphinium
Hardiness Zone : 3a - 7b
Hardiness Degree : -40°F (-40°C)
Blooming Season : Summer, Late Summer
Plant Habit : Upright
Characteristics : Attracts Hummingbirds, Heat Tolerant
Water : Medium
Fertilizer : None or when needed only
Spacing : 12 - 15" (30 - 38cm)
Height : 14 - 18" (36 - 46cm)
Width : 14 - 18" (36 - 46cm)
Exposure : Sun
General Information : Abundant, long-blooming flowers, ideal for bouquets. Attractive at garden's edge and especially nice with coreopsis or pink roses. More tolerant of heat and dry soil than other delphiniums. Remove faded flower stalks for rebloom. Attracts hummingbirds.
Idea & Tips : Sow seed at 55°F (13°C) in early spring. Grow in fertile, well-drained soil in full sun. Apply a balanced liquid fertilizer every two or three weeks
Grower Information : Uniform, early and well-branched. Features dainty flower clusters rather that traditional long, spiky stems. Thrives in heat and humidity without stretching.