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Allium, 'Globemaster'

Spring-Flowering Bulb, Summer and Fall-Flowering Bulb

Allium cristophii x macleanii 'Globemaster'
Alliaceae Family

Tall and showy, Allium 'Globemaster' produces dense 6- to 8-inch globes of blue-purple blooms on stems up to 3 feet tall. Used as a commercial cut flower.

	Site and Plant Characteristics
	Growing Information

Site Characteristics

Sunlight:

full sun

Soil conditions:

requires well-drained soil

Prefers fertile, very well-drained soil.

Hardiness zones:

6 to 10

Plant Traits

Lifecycle: perennial

Ease-of-care: easy

Height: 2.5 to 3.5 feet

Spread: 1 to 1.5 feet

Bloom time: mid-summer

Flower color:

blue
violet

Flowers are bluish-purple.

Foliage color: gray-green

Foliage texture: medium

Shape: upright

Shape in flower: flower stalks with flowers as globes

Special Considerations

Special characteristics:

deer resistant
non-aggressive
non-invasive
not native to North America - product of horticultural breeding

Special uses:

cut flowers

Growing Information

How to plant:

Propagate by division or separation - Plant the bulbs 4" beneath the soil surface in fall.
Divide in fall.
The seeds of this hybrid are sterile.

Maintenance and care:

Apply mulch in fall for winter protection.
More growing information: How to Grow Bulbs

Pests:

Onion fly
Thrips

Diseases:

White rot
Bulb rot
Mildew
Rust
Smut
Purple blotch
Gray mold