Allium, Giant
Spring-Flowering Bulb, Summer and Fall-Flowering Bulb
Allium giganteum Alliaceae Family
The Giant Allium bears tight, 4-inch-wide spherical heads of tiny lilac blooms on 5- to 6-foot tall stems.
Soil conditions:
Hardiness zones:
Lifecycle: perennial
Ease-of-care: easy
Height: 5 to 6 feet
Spread: 1.5 to 2 feet
Bloom time:
Flower color: violet
Foliage color:
Foliage dies back before the plant blooms.
Foliage texture: medium
Shape: upright
Shape in flower: flower stalks with flowers as globes
Propagate by division or separation - Plant the bulbs 4" beneath the soil surface in fall.Divide in fall every 2 or 3 years.
Propagate by division or separation - Plant the bulbs 4" beneath the soil surface in fall.
Divide in fall every 2 or 3 years.
Apply mulch in fall for winter protection. More growing information: How to Grow Bulbs
More growing information: How to Grow Bulbs
Onion flyThrips
White rotBulb rotMildewRustSmutPurple blotchGray mold