Eden Brothers
Allium Bulbs (Giant) - Globemaster
Best low-maintenance perennial for gardeners seeking dramatic, pollinator-friendly summer blooms.
The Globemaster Allium, a celebrated flowering onion, offers spectacular ornamental value with its luminous purple blooms. These impressive flowers can reach 10 inches across, forming striking globe-shaped clusters of small, star-shaped flowers. This hardy perennial thrives in full sun to partial shade and is drought-tolerant once established. Ideal for beds, borders, or cottage gardens, the Globemaster Allium is also deer-resistant and attracts essential pollinators like bees and butterflies. Plant these bulbs in the fall for a magnificent summer display.
$35.99
More Allium Options
Owner Satisfaction
4.6
/ 5
Category Rank
726
/ 3183
#726 in Plant & Flower Bulbs
Price vs Category Average
+53%
Above average
Life Cycle
Perennial
/ Perennial
Who it's for
- Gardeners seeking bold, structural focal points for spring landscapes
- Homeowners living in areas with high deer and rodent populations
- Floral designers wanting long-lasting, architectural dried arrangements
Who should skip it
- Gardeners who prioritize tidy, year-round foliage aesthetics
- Budget-conscious shoppers planning large-scale garden displays
- Plant lovers seeking flowers with extended summer bloom times
Performance breakdown
Visual Impact
Massive ten-inch blooms create an undeniable focal point in any garden.
Pollinator Appeal
High nectar production makes these a magnet for local bee populations.
Pest Resistance
Natural chemical profile effectively deters deer and hungry rabbits.
Growth Reliability
Hardy perennial nature ensures consistent returns with minimal seasonal maintenance.
Drought Tolerance
Once established, these bulbs handle dry spells with impressive resilience.
Floral Versatility
Sturdy stems work beautifully for both fresh arrangements and dried displays.
Key Specs
Life Cycle
Perennial
Planting Season
Fall
Plant Height
36 to 48 inches
Bloom Size
10 inches across
Bulb Size
20-22+ cm circumference
Plant Spacing
5 to 6 inches
Planting Depth
6 inches
USDA Hardiness Zones
4, 5, 6, 7, 8, 9
Features
- Striking globe-shaped purple blooms
- Attracts bees and butterflies
- Deer and rabbit resistant
- Drought tolerant
- Excellent cut or dried flower
- Easy to grow and maintain
- Perennial life cycle
What customers say
The sentiment surrounding the Globemaster Allium Bulbs is overwhelmingly positive, centered on exceptional quality and reliable performance. Customers frequently highlight the impressive size and height of the resulting blooms, confirming the "giant" designation. These bulbs consistently deliver stunning, architectural garden focal points, leading to high success rates and strong perceived value. Gardeners appreciate the healthy condition of the bulbs upon arrival, ensuring successful establishment and reliable returns each spring.
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 blooms the following summer.
Plant your Globemaster Allium bulbs at a depth of 6 inches. Proper planting depth is essential for supporting the tall, heavy stems of these large-flowering varieties.
Yes, Globemaster Alliums are perennials. As long as they are planted in USDA zones 4 through 9 and provided with well-draining soil, they will return and bloom reliably each season.
Yes, alliums are part of the onion family, which gives them a scent and taste that deer and rabbits typically avoid. They are an excellent choice for gardens where wildlife browsing is a common concern.
Absolutely. Their sturdy stems and massive, 10-inch blooms make them excellent for fresh-cut arrangements. They also hold their shape well if you choose to dry them for long-lasting decor.
Once established, Globemaster Alliums are quite drought-tolerant. While they appreciate consistent moisture during their active growing season, they do not require frequent watering once the foliage begins to fade after blooming.
Still have a question?
Ask Hayley anything about this product before you decide.