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flowerPerennial
Ornamental Allium
Allium spp.
Also known as: allium, flowering onion
Striking globe-shaped flower heads on tall stems. Purple, white, and pink varieties. Deer and rodent proof. Excellent dried flower.
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Growing Requirements
SunFull Sun
WaterLow
Soil Type
Soil Drainage
Soil pH
Plant Spacing6–12″
Row Spacing8–12″
Planting Depth4–6″
Height12–48″
Spread6–12″
✓ Container Friendly✓ Raised Bed Friendly
Planting Schedule
Fall Sow
6–8 weeks before first frost
Days to Harvest
180–270 days
Zone Suitability
USDA Hardiness Zones
1
2
3
4
5
6
7
8
9
10
11
12
13
Zones 3–9
Can overwinter in appropriate zones
Perennial in zones 3–9
Plant bulbs in fall 3x bulb depth. Leave foliage to die naturally. Deer and rodent proof. Dried seed heads attractive in winter garden.
Companion Plants
No companion data available for this plant yet.