Plants A to Z

Useful Guide to Grow and Care for Lilac Bushes

Lilac is easy to grow shrub you can plant. Most lilacs are purple. However, you can get varieties that bloom anyplace, from white to purple/red. They have huge, rich green foliage that gives beautiful scenery to practically any flowering plant from larkspur to daylily. Picture a quiet garden planted with white flowers against green support. A lilac can do that for you. Since they bloom in the spring before most perennials and annuals have begun to bud, lilacs can give a bright interest while different plants are starting. Then, they discreetly give the green differentiation to various plants. It is an ideal supplement for any garden.

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Lilac Bushes at a Glance

  • Botanical Name: Syringa vulgaris
  • Common Name: Lilac bush
  • Flower Colors: White, Purple
  • Native Area: Europe
  • Family: Oleaceae
  • Plant Type: Shrub
  • Sun Exposure: Full
  • Mature Size: 8–15 ft. tall, 6–12 ft. wide
  • Soil Type: Loamy, well-drained
  • Bloom Time: Spring
  • Soil pH: Neutral
  • Hardiness Zones: 3–7, USA

Lilac Bushes Care

Lilacs are not high-support bushes. They can become amazingly tall, and absorb the sun and give beautiful shade to those sweltering, late spring days. Assuming lilac shrubs are left to grow and spread all alone, they will grow excessively, and the chances are generally, the flowers will be way over your head, and that is something a great many people don't need. 

What you should care about, assuming you need to make the most out of them, is a plant with 8-12 stems of different ages. With a bit of consideration and a little maintenance, the old wood will foster new roots and recharge however long they are taken into appropriate care. 


Dampness is a significant component of the lilac bush. The soil around the lilac plant's foundations should never be immersed for a long time a timeframe. On marginally raised areas, they will improve, the dampness will not gather around the foundations of the bush. When your lilac bushes are planted on a slight slope, they will unquestionably create more fragrant, more wonderful, and more joyful small blooms. 


Lilacs like medium soil dampness. However, spongy soil can prompt root decay and helpless blooming. Water youthful lilacs routinely to keep the soil gently clammy. Mature plants will only need watering during times of the dry season. 


The best spot to grow Lilacs is where they will get around six hours of full sun. The best growing times for lilacs are in the spring (late April or early May) and again in the fall. Dividing is significant for lilacs. Make sure to put bushes around ten feet separated since the big part of them grow into huge brambles. Lilacs should be mulched to a profundity of around three inches. Bark or wood chips work similarly also. Mulching will assist in saving with watering and forestall trimmer and lawnmower harm. 


Treat lilacs two times every year. Once in the late winter and again just after they have completed the process of flowering. When the lilac has completed the process of flowering, the time has come to prune the bramble. Trim back the stems and eliminate any dead or passing-on appendages. After the primary growing season, granular natural manure can be applied at the foundation of the plant early each spring to assist with furnishing the plant with supplements for the coming year. 

Buds are set the earlier year so, the compost will take care of the current year's leaves and the following year's bloom. Lilacs love sweet soil. If your soil is acidic, adding garden lime in the fall will help the soil stay soluble.

Temperature and Humidity 

Lilacs shrubberies lean toward environments that have genuinely cool summers. They are not suggested for hot, moist regions, like the Southern United States. High stickiness can prompt parasitic sicknesses in the plant. Also, lilacs can endure temperatures well underneath freezing. However, they favor safety from unpleasant cold winds that can harm their flower buds and break stems.

Types of Lilac Bushes

There are a few kinds of lilac bushes that differ in appearance. These include: 

  • Wedgewood Blue: An amazing spring-flowering bush including intensely fragrant honest to goodness flowers in upstanding panicles; upstanding, minimal propensity, very strong, keeps an eye on sucker, ideal as a low screen; full sun and very much depleted soil, permit space for air growth. 
  • Yankee Doodle: Yankee Doodle lilac is an easy-going bush that adds springtime tone to almost any home scene, including metropolitan, downtown conditions. 
  • Beauty de Nancy: Lilac 'Beauty de Nancy' is fragrant with twofold pink flowers and green foliage. The upstanding panicles show up as pink-mauve buds in spring and bloom into lilac-pink petals, blurring to a pale blue tint in summer. 
  • Madame Lemoine: It is an upstanding lilac with blue-green foliage and unequivocally scented, twofold unadulterated white flowers in spring. The best decision for a fragrant fence or screen. 
  • Primrose: A wind on the lovely lilac, Primrose Lilac produces tremendous brackets of smooth white to pastel yellow flowers that open in pre-summer, perfuming the air with a sweet fragrance. Somewhat blue-green, heart-molded leaves give a beautiful background to the flowers. Growing 8-10 ft. tall with a 10-12 ft. 


When you prune a lilac, you need to take uncommon consideration to prune them at the ideal opportunity of the year. Lilacs bloom on old wood, so that means any new growth they get throughout the mid-year is the thing that they will flower on the accompanying spring. That means assuming you need to prune your lilacs: you need to do it following they bloom. This way, you can manage them to the overall size you need and dispose of the invested blooms at similar energy. Any new growth that happens after you prune is the place where you will get the flowers one year from now. 

Engendering Lilac Bushes 

Lilacs have been known and adored for their particular, sweet spring scent and amazing pink, white, or purple spring flowers. They are fabulous to use for screening around wall and bush boundaries. The best of everything is that they are simple to propagate. If you are hoping to add a few bushes to your scene yet cash is an issue, consider taking some lilac root cuttings to grow your lilac bushes. They are quickly growing, tough, and engendering them is nearly come up short evidence. 

Lilac Bushes Common Pests and Plant Diseases 

There are specific kinds of plant diseases to which lilacs are considerably more powerless than others. Sometimes, fine buildup will happen during very hot or potentially sticky conditions. Continuously treat any episode of expected sickness quickly, fog your plants with a characteristic arrangement of part milk part water - about a large part of some milk for each gallon you use. It will dispense with any space for mold spores on the foliage and recuperate your lilac bush. This fine, buildup pervasion is perhaps the most ridiculously revolting sort of disease that your lilac bush might get. 

How Might You Get Lilacs to Bloom 

Most plants begin flowering following three or four years. However, some might take up to six or seven. The blooms for the initial not many years will be meager however should increment with time. It is, clearly, not your concern if the plant you purchased was flowering when you got it. Lilacs flower on old wood. They structure their buds over the mid-year so, they are full-grown and prepared to bloom in pre-spring. 


Are lilacs very easy to care for? 

Lilacs are simple to grow and have low upkeep. They can grow from 5 to 15 feet tall, contingent upon the kind. The fragrant flowers are best for slicing and appealing to butterflies 

How quickly do lilacs grow? 

All lilac brambles are viewed as quickly growing bushes. In case you're trusting that your lilac bush will grow a lot every year, then, you probably will not be baffled. A lilac bush will normally grow somewhere in the range of six and eight creeps in a year. The common lilac may become significantly quicker than that since it's said to grow somewhere in the range of 12 and 18 creeps in a year. 

What is the distinction between a lilac bush and a lilac tree? 

There is no distinction between a lilac bush and a lilac tree. They are a similar plant just called by various names. A few lilacs flower fourteen days sooner, including Syringa x hyacinthiflora kinds, and these are always referred to as early-flowering lilacs.

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Elissa Sanci
Elissa Sanci
Elissa Sanci, the owner of the website, and senior writer of New York Garden; graduated from Santa Barbara City College – a famous public school in California with many diverse training professions, and she majored in horticulture.