Allium, Giant Ornamental Onion, Giant Allium
Allium 'Globemaster'

Family: Amaryllidaceae (am-uh-ril-id-AY-see-ee)
Genus: Allium (AL-ee-um)
Cultivar: Globemaster

Category

Bulbs
Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Full Sun

Foliage

Herbaceous

Foliage Color

Unknown

Height

36-48 in. (90-120 cm)

Spacing

12-15 in. (30-38 cm)

Hardiness

USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Unknown

Danger

N/A

Bloom Color

Medium Purple

Bloom Characteristics

This plant is attractive to bees, butterflies and/or birds

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer
Mid Summer

Other details

Unknown

Soil pH requirements

6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Unknown

Propagation Methods

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed