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Delphinium Seeds - Larkspur Giant Imperial Mix

$3.25

Delphinium consolida

Feathery pink, blue, rose, lavender, and white blooms are an exquisite summer garden feature and a dramatic cut flower. Holds color well when dried.

Direct seed or transplant into the garden after all danger of frost has passed. Delphiniums will need full sun to partial shade and well-draining soil. Water well to ensure good germination. Once germinated, delphiniums will need at least an inch of water per week. Typically grown for flowers. Annual.

  • Planting Information
  • Growing Information
Average Seed / ozSeed / 100' RowAverage Yield / 100' RowDays to Harvest
9000n/an/a130
Planting SeasonIdeal Soil TempSunFrost Tolerance
After Last Frost65-85°FFull/PartFrost Sensitive
Sowing MethodSeed DepthDirect Seed Spacing

Min. Seeds 

Per Packet

Transplant or Direct Seed1/8"6-8"80
Mature SpacingDays to SproutProduction CycleSeed Viability
24-36"10-16Annual1 year

Site Selection

 

Larkspur giant delphinium is an annual that tolerates full sun to partial shade and average, well-drained soils with moderate moisture.

 

Cultivation

 

Direct sow outdoors after the last frost date or start seed indoors 6-8 weeks before the last frost and transplant outdoors once the danger of frost has passed. Optimal soil temperature for germination is 65-85°F. Sow seeds 1/8" deep and 6-8" apart. Seeds will germinate in 10-16 days. Thin seedlings to 24" apart. Flower stalks may need staking. For a succession of blooms, sow seeds every 2-3 weeks.

 

Harvest

 

Harvest cut flowers anytime during the flowering period. Delphinium will readily re-seed if a few flowers are left to mature.