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Amazing alliums

By: Garden Gate staff
It’s hard to beat these bold, globe-shaped flowers for garden drama. Diversify your allium collection with four of our most-loved alliums!

When it comes to combining beautiful, interesting flowers and easy care in one plant, alliums are the real deal. You're probably familiar with the classic allium look and color: Big purple globes on tall stems. But you’ll also find flowers in other shades of purple, pink, white and yellow. Flower shapes can be larger, looser or even drooping, and they can vary in bloom time, too. The only drawback to this plant? By the time most allium flowers are looking great, leaves have started browning. Just position them close to other plants that can hide spent foliage. There are alliums for about any spot in your garden. Take a look at some of our favorites!


‘Pinball Wizard’ allium (Allium hybrid)

This standout cultivar has densely packed flowers, which are easy to see from a distance. Groups of three to five bulbs planted together really pop. ‘Pinball Wizard’ is a slightly smaller version of ‘Globemaster’, which grows a little taller — up to 36 in. If you’d like a similar look with white flowers, try ‘Mount Everest’ (A. stipitatum); it has 4- to 6-in. flowers on 24- to 36-in.-tall stems.

Type Bulb Blooms 6- to 8-in. lavender flowers in late spring Light Full sun Soil Well-drained Size 18 to 24 in. tall, 5 to 8 in. wide Hardiness Cold-hardy USDA zones 5 to 8, heat-tolerant AHS zones 8 to 1


Allium schubertii

This low-growing cultivar has a flower that looks like exploding fireworks! Stick with a simple color palette and the flowers will be more visible. The pink dianthus (Dianthus hybrids) and silver dusty miller (Senecio cineraria) here don’t need additional watering (which causes allium bulbs to rot) and will have filled in by the time allium foliage disappears in summer.

Type Bulb Blooms Loose 12- to 18-in. rose-colored globes in late spring Light Full sun Soil Well-drained Size 12 to 24 in. tall, 12 to 18 in. wide Hardiness Cold-hardy USDA zones 4 to 9, heat-tolerant AHS zones 9 to 1


Drumstick allium (Allium sphaerocephalon)

You can get about 10 of these small bulbs per square foot, and where they’re happy, they may naturalize. If you don’t want them to reseed, remove the egg-shaped spent flowers from their long, sturdy stems after they fade.

Another well-mannered and small-flowered allium you might like is Allium caeruleum. It’s a little shorter with round sky-blue flowers in early summer.

Type Bulb Blooms Deep burgundy 1- to 2-in. flowers in early summer Light Full sun Soil Well-drained Size 24 to 36 in. tall, 3 to 6 in. wide Hardiness Cold-hardy USDA zones 4 to 9, heat-tolerant AHS zones 9 to 1


‘Summer Beauty’ allium (Allium lusitanicum)

While many allium bulbs produce a single flower, they don’t all grow that way. This cultivar, often sold as Allium tanguticum, is similar to chives and forms clumps: Multiple flower stems bloom in summer, and after they fade, the seedheads last well into winter. The flowers are sterile, so you don’t have to worry about it reseeding (like you do with chives).

Mounds of dark green foliage look good all season, making it an excellent choice for mass plantings and mixing into perennial borders. And since ‘Summer Beauty’ is drought-tolerant, you can grow it in out-of-the-way spots the hose doesn’t reach.

Type Bulb Blooms 1½- to 2-in. mauve-pink flowers in summer Light Full sun Soil Well-drained Size 18 to 20 in. tall, 8 to 12 in. wide Hardiness Cold-hardy USDA zones 4 to 9, heat-tolerant AHS zones 9 to 1

Published: May 29, 2018

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