Allium, Millenium

Allium giganteum

$10

Outdoor Plant Size

A spectacular ornamental onion forming an upright clump of glossy green, thick, strappy leaves; a profusion of lilac-purple rounded clusters of flowers in mid-summer; impressive when massed in groupings; great as a long lasting cut flower

Mature Height: 24 - 36"

Mature Spread: 12 - 18"

Sunlight Exposure: Sun

Water Needs: Moderate

All returns must be either brought in or postmarked within 14 days of the purchase date or delivery date, whichever is more recent. Items returned after this period will not be accepted or eligible for a refund.

Annuals and Perennials are not covered under warranty.


If you are returning item(s) purchased in our stores, please bring your receipt. When returning an online purchase, please include the order confirmation emails.
Returns without a receipt within 14 days receive store credit at the lowest price offered.

Plants still in good condition may be returned to Chalet-nursery with proof of purchase issued by Chalet-nursery within 14 days of purchasing for a full refund. No warranty.

Plant Profile

Allium, Millenium

Sunlight Exposure

Sun

Water Needs

Moderate

Landscape Use

Border, Accent, Mass Planting

Growth Rate

Moderate

Growth Shape

Upright

Flowering Season

Summer

Foliage Color

Green

Pest + Disease Resistance

Deer Resistant, Rabbit Resistant, Insect Resistant, Disease Resistant

Pollinator + Wildlife Support

Benefits Birds

Season of Interest

Spring, Summer

Fall Color

Green

Garden Performance & Beauty

Flowers for Cutting, New Introduction

Environmental Tolerances

Cold Tolerant, Juglone (Black Walnut) Tolerant

Winter Foliage

Deciduous

Chalet-nursery Quality Guranteed

Each plant is carefully selected by our horticultural experts to ensure top quality, health, and beauty—bringing the best of nature to your home

Local Delivery

Our local delivery service brings plants right to your doorstep, with expert care to ensure they arrive healthy and thriving.

Need Help?

You can make an appointment with our plant specialist for your next visit to our store, or email us.