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Allium, Blue Globe

Spring-Flowering Bulb, Summer and Fall-Flowering Bulb

Allium caeruleum
Alliaceae Family
Synonym: Allium azureum

Blue Globe Alliums bear 1- to 2-inch spherical clusters of star-shaped blue flowers on stalks 2 feet tall in late spring or early summer. A native of the steppes of Russia, it performs best under hot, dry conditions. Great for cut- and dried-flower arrangements.

	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:

4 to 10

Plant Traits

Lifecycle: perennial

Ease-of-care: easy

Height: 1.5 to 2 feet

Spread: 0.5 to 1 feet

Bloom time:

late spring
early summer

Flower color: blue

Foliage color: medium green

Foliage texture: medium

Foliage clasps the erect stem, and dies back before the plant blooms.

Shape: upright

Shape in flower: flower stalks with flowers as globes

Spherical blooms composed of numerous tiny, star-like blossoms.

Special Considerations

Special characteristics:

deer resistant
non-aggressive
non-invasive
not native to North America - Native to North and Central Asia.

Special uses:

cut flowers
dried flowers

Growing Information

How to plant:

Propagate by division or separation - Plant the bulbs 2 to 4" beneath the soil surface in fall.
Divide and replant bulbs and in fall. You can also plant the bulblets that form in the flowerhead.

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