How To Grow Alliums! The ornamental allium is a genus of flowering plant in the same family as edible onions, garlic and chives. Many people are familiar with the pastel purple flowers these bulbs produce. Alliums also come in white, yellow, blue and pink.
Alliums make wonderful cut flowers. They have an undeniable charm, and those balloon like blooms are a great conversation piece. Alliums are one of the best and easiest bulbs to grow in the gardening world, but often overlooked. Gorgeous, show stopping blooms, easy to grow, requirements, and amazing architectural shape make these perfect for any gardener, beginner or seasoned veteran.
Most alliums are planted during the fall right before the ground freezes. Once you have chosen your variety, dig a hole 8″ deep and make sure to loosen the soil around where you will place your bulb. Moisten the soil, add your fertilizer, then place the bulb in the hole. If possible, add new soil over your bulb and gently pat down once bulb is completely covered. Now you can give your bulb one more water. Don’t forget to mark the spot you planted them so you won’t forget next spring!
Water well, then leave till they burst out in flower in spring and summer! After flowering, allium foliage will wither, brown, and go dormant.
Members of the onion family have built in pest repellent with their potent flavor and smell. However, thrips and onion flies will occasionally try to give alliums a run for their money. To ward these pests off, keep your alliums and garden clear of weeds. Defend your plants with a strong spray of water if you spot these pests lurking around.
Once the flowers are finished blooming in the summer you can leave the decorative seed heads in the garden. They lose the purple color but they have a sculpture appeal. They can be harvested to use for crafts and flower arrangements as well. If you’d like to use them for arrangements, try to keep the stems as long as possible. The seed heads will last well in any arrangement without any need for sealer.
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