White Flower Farm
Allium caeruleum
Allium caeruleum, also known as Flowering Onion, offers a stunning display of deep, clear blue flowers arranged in dense clusters. These heirloom bulbs, originating from 1792, bloom in late spring to early summer, providing a cool visual contrast to the vibrant late spring garden. Thriving in full sun and well-drained, sandy soil, this perennial is also naturally resistant to deer and other common garden pests. Plant 10-15 bulbs per square foot in the fall for a low-maintenance, beautiful addition to your landscape.
$16.00
More Allium Options
Owner Satisfaction
4.4
/ 5
Category Rank
2348
/ 3091
#2348 in Plant & Flower Bulbs
Price vs Category Average
-32%
Below average
Common Name
Flowering Onion
/ Flowering Onion
Who it's for
- Striking True Blue Color
- Excellent Pest Deterrent
- Superb for Cutting
Who should skip it
- Premature Foliage Decline
- Smaller Flower Heads
- Mild Onion Odor
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
Features
- Produces dense clusters of deep blue flowers.
- Heirloom variety dating back to 1792.
- Deer and pest resistant foliage.
- Blooms refreshingly in late spring/early summer.
- Prefers full sun exposure.
- Requires well-drained soil conditions.
- Ships as dormant bulbs for fall planting.
- Rarely needs dividing or transplanting.
What customers say
Customers overwhelmingly praise the Allium caeruleum for its spectacular sky blue coloration, offering a striking visual impact in the garden. Reviewers consistently highlight the reliability of the bulbs, noting high sprouting rates and robust growth, confirming the quality of the stock. The inherent deer and rodent resistance adds significant value as a low maintenance feature. While the visual appeal and dependable performance are highly valued, the primary reservation centers on the premium pricing. Some buyers feel the cost is high relative to the quantity received, creating slight reservations about overall value. Despite this, the consensus is that these ornamental onions are a worthwhile investment for gardeners seeking distinctive, reliable beauty.
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$16