Allium sphaerocephalum, also called Drumstick Allium as this is what the shape of the flowers of these ornamental onions look like. Both the purple-red flowers and chives-like leaves are very decorative and good companions to perennials like Astrantia, Geranium, and lavender. Drumstick Allium grow 2-3' tall with dainty round blooms. Plant in full sun for the best show of flowers.
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Bloom Time
 Late Spring | |
 Early Summer | |
Mature Height
22 - 28 inches
Hardiness Zones
Zone 4 Hardy | |
Zone 5 Hardy | |
Zone 6 Hardy | |
Zone 7 Hardy | |
Zone 8 Hardy | |
Suitable Zones
Zone 3 Suitable | |
Zone 4 Suitable | |
Zone 5 Suitable | |
Zone 6 Suitable | |
Zone 7 Suitable | |
Zone 8 Suitable | |
Zone 9 Suitable | |
Sunlight
 Full Sun | |
 Partial Shade | |
Package Contents
25 bulbs
When to plant Allium bulbs?
Allium bulb should be planted in fall when daytime temperatures have cooled for the season, but before the ground is frozen for winter.
How to plant Allium bulbs?
Planting depth varies based on each different type of allium. Drumstick Allium should be planted 4-5” deep with spacing of 2-3”. Allium often have a pointed end, that is the side of the bulb that should be planted facing up. If you are not able to tell which side of the Allium bulb is facing up, look for small thin dried roots on one end, that is the bottom of the bulb and should be touching the ground when planted.
Where to plant Allium bulbs?
Allium bulbs grow in hardiness zones 4-9 making them some of the most versatile bulbs for fall planting. Plant Allium bulbs in soil that drains well, they do not like sitting in wet soil over winter. Tall varieties of Allium should be planted in the back of the perennial border or mixed in as accents with shorter bulbs and perennials.
What are good companion plants for Allium?
Peonies, Bearded Iris, and Oriental Poppies bloom at the same time as Allium. These perennials and bulbs make excellent companions for allium to increase color and texture in the garden.
What to do with Alliums after flowering?
Allium flowers will remain in your garden as dried flowers for a few weeks after blooming. Once the stems begin to fade you may remove them from the garden and discard them. To really extend the life of the faded Allium flowers try spray painting Allium flowers and add them to indoor dried flower arrangements.
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