25 Drumstick Allium Seeds (Allium spaerocephalon)

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Self seeds in the garden.

USES: Cut flower, rock gardens, containers, flower borders, naturalized areas in small or large groupings, attracts pollinators. Excellent for drying.

Botanical Name: Allium spaerocephalon
Common Name: Drumstick Allium, Round-headed leek, Round-headed garlic
Type: Perennial
Flower Color: Egg shaped flower heads emerge deep green changing to purplish red from top to bottom
Flowering Season: July, August
Plant Height: 24-36 in (60-91 cm)
Plant Spread: 12-18 in (30-45 cm)
Light Requirements: Full Sun
Water Requirements: Average, Dry
Soil Requirements: Well-drained. Average, Sandy, Gritty, Loam, Rich
USDA Zones: 4-8

Sowing Instructions (Cliff Notes version): Warm stratify at 64-71 F (18-22 C) for 2-4 weeks. Keep the soil moist then Cold stratify at 24-39 F (-4 to +4 C) for approximately 4-6 weeks. If the cold stratification temperatures are not met, extend the stratification for a longer period of time. Can take up to 12 weeks to germinate. Alternatively, you can sow the seeds in containers in a cold frame. Read the Seed Guide for Perennials.