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Scientific Name: Delphinium x belladonna
Common Name: Larkspur
Propagation Method: Seed
Form Supplied As: Raw
Cultivation Type: Greenhouse, High Tunnel, Field
Planting Density: 9 to 18 plants/sq. meter (1 to 2 plants/sq. foot).
Flower Color (primary): Blue
Foliage Color: Medium Green
Blue Donna is great for producing deep blue flowers during the warmer periods of growing.
Stem Length: 81 - 102cm (32 - 40")
Harvest Recommendation: Harvest stems when 75-80% of the florets have opened.
Post-Harvest Recommendation: Delphinium are highly sensitive to ethylene; it is recommended to treat with an ethylene-inhibiting product immediately after harvest. Hydrate and store in a cooler at 1-3°C (34-38°F) in a commercial floral holding solution at the manufacturer recommended rate.