Plant Information

Delphinium Guardian Blue

Growing Information:
Culture Guidelines
Plant Details:

Scientific Name: Delphinium elatum

Common Name: Delphinium

Hardiness Zone: 4a - 7b

Hardiness Degree: -30°F (-34.4°C)

Blooming Season: Early Spring, Spring

Plant Habit: Upright

Characteristics: Attracts Bees, Attracts Hummingbirds, Poisonous, Low Maintenance, Frost Tolerant, Attracts Butterflies

Water: Light

Fertilize: Once a month

Spacing: 10 - 14" (25 - 36cm)

Height: 30 - 39" (76 - 99cm)

Width: 10 - 12" (25 - 30cm)

Exposure: Sun

General Information: Great choice for professional cut flower growers - all colors bloom within days of each other.

Grower Information:

Plug crop time: 6 to 7 weeks
Transplant to finish: 16 weeks

  • Breeding breakthrough makes it easy to program your crop to meet shipping dates.
  • Very uniform blooming within each variety, especially under short days.
  • Works well as a tall landscape/perennial variety, as a commercial cut flower, and in potted plant programs.
  • Up to 6 weeks faster from transplant to bloom than O.P. types for more turns per sq. ft./metre of greenhouse space.
  • Also suitable as a greenhouse cut flower or for garden cut flower production.
  • As a greenhouse cut flower, Guardian can be grown under the same conditions as dianthus and snapdragons.
  • Produces excellent stem quality for good cut flower shipability.
Floral Selection Guide For Bouquets:

Other Varieties