How to Plant Alliums

By eHow Home & Garden Editor

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If you want one of the biggest thrills that a gardener can have, try growing a giant ornamental allium. When it blooms, it's a perfect sphere of deep lilac flower that sits atop a tall stem. The best part of it is the ease in growing the plant.

Instructions

Difficulty: Moderately Easy

Things You’ll Need:

  • Tools for digging and planting
  • Compost
  • Allium bulbs
Step1
Find a sunny area. Some alliums can grow in semi-shade but most thrive in the sun.
Step2
Prepare to plant the bulbs in the late fall for a spring garden. Although onion sets (another variety of allium) are usually planted in the early spring, most ornamental alliums require a fall planting.
Step3
Measure the length of the bulb. This measurement will determine the depth of the planting. You will need to plant the bulb 3 to 4 times this measurement. If you have a 1 inch bulb then the bulb will be covered with 3 to 4 inches of soil.
Step4
Plant the bulbs in groups. Space the groups about 9 inches apart for large varieties and 4 inches apart for the smaller.
Step5
Leave the clumps undisturbed until it's obvious that the flowering is reduced. Then, dig and separate some of the bulbs. Make certain to add some compost to soil.
Step6
Stake the tall ornamental varieties that may be exposed to a lot of wind. Also deadhead the flowers after blooming, leaving a few for seed propagation.

Tips & Warnings

  • Even though alliums ornamental, you may want to think twice before you use them as cut flowers. They tend to have an onion or garlic smell.

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eHow Article: How to Plant Alliums

eHow Home & Garden Editor

eHow Home & Garden Editor

Category: Home & Garden

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