Everything You Need to Know About Bloomerang Lilac Trees

Lilac trees show off their vibrant blooms every spring, but they only last for two weeks and fade just as quickly as they appeared. Luckily, Bloomerang lilac trees flower twice per year, spoiling their gardeners with floral aromas and star-shaped flowers. Introduced in 2009, this new variety blooms in the spring, takes a short break, and reblooms in the summer. In this article, we’ll cover how to care for Bloomerang lilac trees and where they thrive to ensure a beautiful rebloom later in the season.

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Bloomerang Lilac Trees at a Glance

• Fragrant purple-lilac flowers
• Bloom twice per year
• Smaller than other lilac trees
• Deer-resistant
• Attract butterflies and hummingbirds
• Not sensitive to urban environments/air pollution

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Appearance

Bloomerang purple lilac trees are more compact than other lilacs. The Bloomerang lilac tree height is 4-6 feet tall with a 4-6 foot spread, giving them a pleasant round shape. Their veined leaves are deep green for most of the year and turn yellow in fall and grow on long, arched branches.

Bloomerang lilac trees have distinctive, 4-petaled, 4–6 inch deep lilac-purple flowers that bloom starting in May, take a pause through June, and bloom again from July through the first frost of the year.

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Bloomerang Lilac Tree Specifications

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Hardiness Zones

USDA Hardiness Zones indicate the parts of the country where trees grow best, based on minimum winter temperatures in each region. Bloomerang lilac trees flourish in Zones 3–7, doing exceptionally well in the north. They require a period of cold weather in order to bloom.

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Types of Bloomerang Lilac Trees

There are a few types of Bloomerang lilac trees based on size and color. These varieties include:

• Dwarf purple lilac trees grow about 2 or 3 feet and flowers are a distinct purple color.
• Dwarf pink lilac trees are also 2 or 3 feet tall and have bright pink clusters of fragrant flowers.
• Pink Perfume lilac trees grow to about 4 or 5 feet and flowers are light to medium pink.
• Dark purple lilacs can grow up to 6 feet and bloom bright purple flowers.

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Planting

Bloomerang dark purple lilac trees should be planted in areas that have well-drained soil and, ideally, full sunlight. You can plant these trees almost any time of year except for winter, but spring is recommended. Here are steps to take to plant your tree:

• Pull any weeds and remove any turfgrass and debris from the area.
• Dig a hole that is twice the width of your root ball.
• Tease the roots of your root ball gently before placing it in the hole. You want it to sit slightly higher than the level of the surrounding soil if you are worried about drainage. Otherwise, plant it 1-1.5 inches below the soil level.
• Backfill the hole with soil, tamping down to remove any air pockets.
• Water thoroughly, and place a 3-inch layer of mulch.

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Growing Conditions

Bloomerang lilac trees are relatively hassle-free.

• Sun and Shade: Bloomerang lilac trees thrive in full sun, receiving at least six hours of direct sunlight per day. They can tolerate partial shade, but they will not produce as many flowers.
• Soil: The trees prefer moist, well-drained, alkaline soil. Soggy soil conditions can damage their roots. A thin layer of mulch can conserve the proper amount of moisture and protect the Bloomerang from temperature fluctuations.
• Watering: Bloomerang lilac trees will need the most water during their flowering season. Water once every 10 days to two weeks from spring until the end of the bloom season, just before the first frost. Your tree will need 2 inches of water so that the soil is moist down to 12 inches. During the rest of the year, water during extended dry periods—if the top 3 inches of the soil start to completely dry—and if the leaves wilt in dry weather.
• Fertilizing: You can fertilize your Bloomerang lilac tree in early spring starting the second year after planting. Apply a fertilizer that is specifically designed for lilacs—these typically have less nitrogen and a higher level of phosphorus and potassium. An NPK value of 5-10-10 does well.
• Pruning: Pruning is not required for your Bloomerang lilac tree—while it can boost new growth, your tree will rebloom either way. If you decide to prune your tree, do it immediately after its first bloom. Doing it in fall, winter, or before the first bloom will cut off the flower buds. If you trim, the rebloom will be delayed a few weeks.

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Our Conclusion

Bloomerang lilac trees grow 3–6 feet tall depending on the variety. These lilac trees can grow in Zones 3–7 and do very well in cooler climates. They need six hours of direct sunlight, and you’ll have to water them about every 10 days. Bloomerang lilac trees bloom two times per year, once in the spring and then rebloom in the summer through the first frost.

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FAQ About Bloomerang Lilac Trees

How tall do Bloomerang lilac trees get?

Bloomerang lilac trees grow to be 4–6 feet tall. There are also dwarf varieties that grow to be 2–3 feet tall. Bloomerang lilac trees are smaller than other lilac trees. 

Do lilac trees bloom more than once a year?

Most lilac trees do not bloom more than once, but the Bloomerang lilac tree blooms in spring, pauses in early summer, and blooms again from summer all the way to the first frost of the year.

How do you take care of Bloomerang lilac trees?

Bloomerang lilac trees are low-maintenance. Ensure that you plant them in well-draining soil and receive full to partial sun, with a preference for at least six hours of direct sunlight per day.

Do I need to prune my Boomerang lilac bush for reblooming?

No, your Bloomerang lilac bush will rebloom even without pruning.

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