White Flower Farm Allium caeruleum
Best low-maintenance perennial for gardeners seeking deer-resistant, vibrant blue spring blooms.
This heirloom Ornamental Onion offers a rare, clear blue hue in a compact cluster. While generally reliable and pest-resistant, some customers have reported low germination rates, suggesting variability in bulb performance. It's a good choice for adding a cool color accent to late spring gardens, provided you manage expectations on bloom success.
$16.00
at
White Flower Farm
More Allium options
Who it's for
- Gardeners seeking rare, vibrant blue accents for spring borders
- Homeowners struggling with deer, rabbit, or vole damage
- Floral designers wanting long-lasting, unique stems for arrangements
Who should skip it
- Gardeners wanting low-maintenance plants that stay green all season
- Landscapers prioritizing large, high-impact blooms for distant viewing
- Sensitive noses bothered by subtle, savory garden scents
Performance breakdown
Visual Impact
Deep blue clusters create a striking, rare color profile for gardens.
Pest Resistance
Naturally deters deer and common pests, minimizing maintenance headaches.
Ease of Cultivation
Simple fall planting requirements make this accessible for novice gardeners.
Hardiness Range
Broad adaptability across zones 3 through 9 ensures reliable seasonal returns.
Cut Flower Utility
Sturdy stems and unique form make for excellent, long-lasting floral arrangements.
Garden Versatility
Compact size fits perfectly into borders, rock gardens, or naturalistic plantings.
Key Specs
Common Name
Flowering Onion
Hardiness Zone
3-7S/9W
Exposure
Sun
Blooms In
June
Mature Height
12-18 inches
Spacing
3 inches
Ships as
BULB
Deer Resistance
Yes
USDA Hardiness Zones
Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 9
Mature Height
30.48 cm
Know before you buy
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Ask Metto anything about the White Flower Farm Allium caeruleum before you decide.