Eden Brothers
Allium Bulbs (Small) - Blue Caeruleum
Best low-maintenance choice for gardeners seeking vibrant, pest-resistant summer blooms.
Introduce a splash of rare, vivid blue to your garden with Allium Caeruleum, also known as Blue Globe Onion. This perennial ornamental flowering onion offers unique, eye-catching globe-shaped clusters of small, star-shaped blooms. It's an easy-to-grow choice, perfect for adding distinctive color to beds, borders, and cottage gardens. Attracting pollinators like bees and butterflies while deterring deer and rabbits, these bulbs thrive in full sun to partial shade and are drought tolerant once established. Plant in fall for a stunning summer display.
$23.49
More Allium Options
Owner Satisfaction
4.6
/ 5
Category Rank
726
/ 3183
#726 in Plant & Flower Bulbs
Price vs Category Average
+0%
Below average
Seed Type
Bulb
/ Bulb
Who it's for
- Low-maintenance gardeners wanting reliable, self-spreading perennial drifts
- Gardeners seeking rare, vibrant blue floral accents
- Homeowners dealing with hungry deer and burrowing pests
Who should skip it
- Gardeners with heavy, water-retaining clay soil
- Minimalists preferring single-stem focal points
- Gardeners wanting pristine foliage throughout the blooming season
Performance breakdown
Visual Impact
Rare, vivid blue globes provide a striking contrast in any garden.
Pollinator Appeal
Highly effective at drawing bees and butterflies to your flower beds.
Maintenance Ease
Drought-tolerant nature makes these bulbs a low-effort perennial choice.
Pest Resistance
Reliably deters deer and rabbits, protecting your floral investment.
Versatility
Adapts well to containers, borders, or as fresh-cut floral arrangements.
Growth Reliability
Consistent performance across a wide range of hardiness zones.
Key Specs
Seed Type
Bulb
Plant Type
Small
Plant Height
14 to 16 inches
Planting Depth
2 to 3 inches
Plant Spacing
3 inches
Bulb Size
4-5 cm circumference
Hardiness Zones
Zone 4, Zone 5, Zone 6, Zone 7, Zone 8, Zone 9
Use
Container Garden, Cut Flower Garden, Dried Flowers
Features
- Rare, vivid true blue globe-shaped blooms
- Easy to grow and maintain
- Attracts bees and butterflies
- Deer and rabbit resistant perennial
- Drought tolerant once established
- Forms globe-shaped clusters of star-shaped flowers
- Suitable for cut flowers
What customers say
The sentiment is overwhelmingly positive, driven by exceptional product quality and stunning aesthetic design. Gardeners consistently report high viability rates, leading to successful and reliable blooming. The true blue hue of the Caeruleum variety is a standout feature, providing a unique and vibrant pop of color that elevates garden appeal. Consumers trust these bulbs for dependable performance and significant visual impact.
Know before you buy
These bulbs should be planted in the fall. This allows them to establish their root systems during the cooler months before they produce their signature blue blooms the following summer.
Plant each bulb 2 to 3 inches deep. For the best visual impact, space them about 3 inches apart to allow the globe-shaped clusters enough room to thrive.
Yes, Allium Caeruleum is considered deer and rabbit resistant. The onion-like scent of the foliage typically deters these animals from grazing on them.
These bulbs are excellent for container gardening. Ensure your pot has good drainage and receives full sun to partial shade, as they are drought-tolerant once established.
Yes, Allium Caeruleum is a perennial. As long as you are gardening in hardiness zones 4 through 9, these plants will return to bloom each summer.
Absolutely. Their unique globe shape makes them a striking addition to fresh cut flower arrangements, and they hold their structure well for use in dried floral displays.
Still have a question?
Ask Hayley anything about this product before you decide.