Jul 10, 2020  Week: 28

Delphinium Blue Donna

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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).

Usage: Line

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.