25 Ornamental Persian Onion Seeds (Allium aflatunense/hollandicum)

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

Botanical Name: Allium aflatunense, Allium hollandicum
Common Name: Ornamental Onion, Persian Onion
Type: Perennial
Flower Color: Large 4-5 in (10-12 cm), purplish-pink, multi-flowered umbels held on tall leafless stems
Flowering Season: Spring
Plant Height: 24-36 in (60-91 cm)
Plant Spacing: 19 in (50 cm)
Light Requirements: Full Sun, Partial Shade
Water Requirements: Average. Drought tolerant but needs moisture when blooming.
Soil Requirements: Well-drained. Average, Clay, Loam (Silt), Sand, Shallow Rocky
USDA Zones: 4-11
AHS Heat Zones: 12-1

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.