Allium Bulbs (Giant) - Giganteum
Allium Bulbs (Giant) - Giganteum
Allium Bulbs (Giant) - Giganteum
Allium Bulbs (Giant) - Giganteum

Allium Bulbs (Giant) - Giganteum

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Planting Allium Bulbs (Giant) - Giganteum

About Alliums

Alliums are essentially blooming onions—not the ones found in local chain restaurants, but rather, flowering bulbs that complement any late spring garden. Unlike more common fall-planted/spring-blooming bulbs such as tulips and daffodils, alliums are a unique curiosity that is sure to impress and inspire for years to come. Also known as ornamental onions, Allium is ideal for creating color and height combinations in the border. Most alliums flower in June, just after the early spring flowers and before most summer flowers come into bloom. They, therefore, become an indispensable perennial that keeps the border in flower well into the year.

When to Plant Allium Bulbs

Plant allium bulbs in the fall for late spring and early summer bloom.

Where to Plant Allium Bulbs

Allium bulbs are easy to plant. Similar to most flower bulbs, they prefer full sun, although they can also thrive in partially shaded locations. With a combination of sun and good drainage, they will return year after year. Their slim, vertical shape means they occupy very little ground space while adding accents to a lush planting scheme.

How to Plant Allium Bulbs

In most cases, it's advisable to fertilize the site where you plant your allium bulbs with bulb food to ensure proper bulb establishment. For optimal results, plant the allium bulbs just over twice as deep as the height of the bulb, spacing them about 5 or 6 inches apart. When planting, ensure that the bulbs are positioned with the pointy end facing upward. Adequately water your allium bulbs after planting. Allium bulbs are versatile and hardy in most climates. They can also be successfully planted indoors.

How to Care for Alliums

Congested clumps of alliums can be lifted and divided, preferably straight after flowering. Deadhead the flowers before the seeds disperse if you wish to prevent the growth of seedlings.