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Home > 5-Star Plants > Customer Favorite Alliums > Allium Globemaster

Allium Globemaster
Allium Globemaster Allium Globemaster Allium Globemaster Allium Globemaster
Allium Globemaster

Allium Globemaster

This is the biggest and many think the best Allium yet. Small, silvery purple florets form 8-10in flower heads. 'Globemaster' gets its size from its A. cristophii parent, but the florets are packed more densely, creating an imposing and brilliantly colored globe. Late spring. 3 per sq ft.

Every state has agricultural regulations that restrict the shipment of certain plants. We are sorry, but we cannot ship this item to the following states: GA, ID, NV and WA.

Video: Allium 'Globemaster' (1:18 minutes)

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Growing Guide


Flowering Onion

The genus Allium (the Latin means "garlic") includes many garden plants that grow from bulbs or bulb-like rhizomes. Allium flowers form dense balls of color at the top of strong stems, and they make excellent displays in the garden or in bouquets. Allium flowers range from purple, burgundy, lilac, silvery amethyst, pink, blue, to yellow and white. Some varieties have scented blooms, but their perfume is usually pleasant and not the least oniony. The scent of the bulbs and leaves, however, may remind you of onions.

Light/Watering: Most Alliums grow best in full sun, with at least 6-8 hours of direct sun a day. Those we offer require well-drained soil and are longest lived in locations where the soil is on the dry side during summer dormancy.

Planting: Plant Alliums more shallowly than comparably sized bulbs, just one to two times the diameter of the bulb deep.

Fertilizer/Soil and pH: Alliums prefer well-drained, fertile soil. Fertilize in fall and spring with any bulb fertilizer.

Continuing Care: The leaf tips of many varieties, especially the tall ones, begin to brown before bloom time. Remove the spent flowers (except from varieties that are sterile, such as 'Globemaster') if you wish to prevent them from self-sowing.

Pests/Diseases: Alliums have few problems except when planted too shallowly or in wet soil.

Companions: Place Alliums behind heavy-foliage plants such as Peonies and Iris. Good for bedding, and in mixed borders. Flower heads are good for drying.

Dividing/Transplanting: Alliums rarely need transplanting or dividing, but this can be done when the bulbs are dormant.

Allium Globemaster


Shipped for Fall Planting
Save 20% When You Buy 6

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Item: F312003
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Ships in Fall

Quick Facts

Common Name: Flowering Onion

Hardiness Zone:
 5-7 S / 5-10 W

 Learn about hardiness zones

 

Height: 3-4'

Deer Resistant: Yes

Exposure: Full Sun

Blooms In: May-June

Spacing: 6-8"

Ships as: Bulb

Read our Growing Guide

 
 
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