Planting guides for Annuals, Biennials, Perennials, Shrub & Vine seeds can be found at:
https://bloomoutlet.com/seed-guides/
Please read both the seed guide and the plant specific sowing instructions. If you are unsure of the best way to germinate the seeds, DO NOT SOW ALL THE SEEDS. Keep some in case the germination method you use doesn’t work.
Cold stratify ALL perennials, shrub & tree seeds for at least 30 days unless the plant specific instructions indicate a longer period.
If you are not ready to plant the seeds, keep it in the refrigerator (not freezer).
ALLIUM SPAEROCEPHALON | DRUMSTICK ALLIUM
Plant Specific Instructions (Read “Seed Guide” as well): 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.
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