How fast do lilac trees grow?

Asked By: Fengzhu Eppenstein | Last Updated: 29th April, 2020
Category: home and garden landscaping
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Lilacs grow 12 to 18 inches each year. Once fully grown, lilacs typically reach 15 feet high and 10 feet wide, forming an irregular bush.

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Similarly, it is asked, how long does it take for a lilac tree to grow?

Age: Lilac plants need time to grow before they begin flowering. So, if you have a very young plant, it may not be mature enough to bloom. Most plants start blooming after three or four years but some may take as long as six or seven.

One may also ask, is there a difference between a lilac tree and a lilac bush? Shrub Lilacs and bush lilacs are short and compact. Tree lilacs are trickier. The classic definition of a tree is that it is over 13 feet tall and has a single trunk. Tree lilacs can grow up to 25 feet high and have a tree-like appearance, but their many stems tend to get them classified as bushes.

Also to know, what is the fastest growing lilac?

Fragrant LilacSyringa vulgaris. The lilac is a deciduous, multi-stemmed shrub with an irregular, rounded outline. It is fast growing when young, but slows to about one foot a year with age. The stems are dark gray to gray-brown, and the wood is strong.

Where do lilac trees grow best?

Lilacs grow best in full sun and well-drained soil. Lilacs grown in partial sun or shade will not flower well. The shrubs may take three to four years to establish themselves in a new site, but once established they can live for centuries. Soil pH (alkalinity or acidity of the soil) may affect the plant's growth.

38 Related Question Answers Found

Are coffee grounds good for lilacs?

Grass clippings and coffee grounds create nitrogen, but use them sparingly in compost. Banana peels offer potassium to the soil.

Do lilac trees have deep roots?

Since lilac root systems are shallow, they can only reach the base of shallow foundations. If you have a deep foundation, there is little risk of damage. Another condition for foundation damage from lilacs is a heavy soil, such as clay, that swells when wet and shrinks dramatically when dry.

Should lilacs be deadheaded?

But with lilacs, the only time deadheading seems to help them bloom better is during the first few years of growth. New lilac plants should begin blooming within two to five years. While the plants are young, deadheading the spent flowers helps to direct the plant's energy into setting more buds.

Is lilac pink or purple?

Lilac and lavender are two different colors. They are both pale shades of purple but lilac has a pink tint to it, while lavender has a blue tint.

Are lilacs poisonous to dogs?

Lilac bushes (Syringa spp.) are a feast for the eyes and nose, with their large clusters of showy, fragrant flowers. If your pets want to sample a taste of the bush as well, never fear -- the plants are not poisonous to animals and are not toxic to humans at all.

How much does a lilac tree cost?

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Which lilac is the most fragrant?

The lilac usually considered the most fragrant is a Chinese native—S. pubescens. It has small, white flowers tinged with purple.

Does Lilac grow fast?


All lilac bushes are fast-growing shrubs that add at least 6 to 8 inches of growth per year. The old-fashioned lilac that likely grew in grandma's garden, however, tops the others in its rapid rate of expansion. Lilacs are fast-growing shrubs available in hundreds of varieties.

Do bees like lilac bushes?

Lilac Attraction
With brilliant purple and bluish petals, lilacs attract numerous bees, especially since the flowers grow in dense clusters. As a result, bees can stay on the blossoms for even more nectar nourishment without having to fly constantly to other plants.

How far apart should lilacs be planted?

Space medium-sized lilacs that are 6 to 8 feet tall at maturity 2 to 4 feet apart. Place larger lilacs, more than 8 feet tall at maturity, about 4 to 6 feet apart. If planting an evergreen California lilac hedge and flowering is not important, space lilacs closer together.

How do you prepare lilac bushes for winter?

Use 3 to 4 inches of organic mulch, like shredded leaves or bark, around the base of your lilac to prevent winter heave, the exposure of roots due to the ground freezing and thawing. Lilacs over the age of seven generally don't have a problem with winter heave due to their deep roots.

What is the best lilac bush?

Also Look For: Littleleaf lilac (Syringa pubescens sp. microphylla), which is also a smaller plant. It only gets 6 feet tall, but in Ted's New York garden, it blooms three times a year (in May, July, and September). Learn more about Bloomerang, a dwarf reblooming lilac.

Can you grow a lilac bush in a container?


Lilacs (Syringa spp.) typically won't bloom and grow poorly when their roots are restricted, so growing most varieties in a container is challenging. Smaller and dwarf varieties and those grown as trees can thrive in a pot, provided they receive the proper care and root pruning when they outgrow the container.

What do lilac trees look like?

Lilacs are in the Oleaceae (olive) family, this shrub sometimes looks like a small tree. The lilac is perhaps the most sought-after blooms to add a soft, yet pleasant scent to homes. Depending on the variety, some lilacs are considered either a shrub or a tree. Shrub lilacs and bush lilacs are short and compact.

Can I prune lilac in October?

For lilacs, the recommended method is generally to remove one third of the old wood each year immediately after flowering and shape the shrub over a number of seasons. Of course, you can prune in the fall if absolutely required.