What To Plant Near Lilacs

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crabapples in bloom.
Dogwoods.
cherry blossoms.
Magnolias.

What kind of plant makes a suitable lilac companion?

Conifers are among the most attractive and fascinating trees in nature, and they should be included in most gardens. These shapely and statuesque evergreens, which include pines (Pinus), spruces (Picea), firs (Abies), cedars (Cedrus), false cypresses (Chamaecyparis), and many others, add year-round beauty and structure to your landscape.

Malus, or flowering crabapples, are beautiful trees that have two distinct seasons of interest: they bloom lavishly in the spring, perhaps a week or two before the lilacs, and from the summer into the late fall, they yield fruit that is vividly coloured. Despite not being suitable for human eating, the fruits are essential to insects, birds, and tiny animals.

Early-blooming lilacs go great with flowering dogwoods (Cornus), which are superb landscape selections for all four seasons. With their delicate bracts that awaken in the spring, their foliage changes to gorgeous colours of gold, crimson, or purple in the fall, and their brilliant red berries draw winter songbirds for everyone’s enjoyment.

Prunus, or flowering cherries, are wonderful ornamental plants thanks to their abundance of spring flowers, attractive leaves and shape, and occasionally their lustrous bark. The majority of them bloom at their best when the lilacs are still in bloom, and together they make for a stunning flower show.

Magnolias are exceptional early blooming trees of great beauty, and more efforts should be made to combine the benefits of magnolias and lilacs. The majority of the best deciduous magnolias bloom at the same time as Syringa vulgaris, the common lilac. They both prefer rich, deep loam that has good drainage.

Most lilacs offer little interest after blossoming. Grow clematis with various bloom seasons through your lilac’s branches to give the shrub more colour and glitz and lengthen the enjoyment of the season. Select a clematis variety that blooms in the middle or end of the season and starts blooming after your lilac. Probably the most common choice for climbing through a shrub is Clematis viticella.

The exotic vine known as the “Passiflora” or “Passion Flower” is one of our favourite garden plants. They are simple to produce and reward us with a long season of intriguing, bold, and gorgeous blossoms. Some of the blossoms also give way to delicious passion fruits. Lilac shrubs provide perfect trellises for passion vines because they are trouble-free climbers with tendrils that cling to surfaces. The most resilient of the passion flowers, Passiflora incarnata (Wild Passion Flower), will add vibrant colour after the lilac blossoms have faded.

Lilacs go well with herbaceous peonies and tree peonies (Paeonia). They complement each other’s appearance and colours and smells and forms. Plant peonies near the foot of your lilac to conceal its exposed legs and enjoy their lovely blooms and all-pervading fragrance.

Hostas’ large, ornamental leaves go well with the lilacs’ flowering stems. On the north or west side of your lilac shrubs, plant a gorgeous bed of hostas. Some of the blue hostas might be used to encircle the pink lilacs in the foreground. For white or lavender lilacs, use hostas with golden leaves. Hostas come in an astounding variety of sizes, shapes, and colours, and they can be combined in eye-catching ways.

Daylilies, or Hemerocallis, are vibrant, spreading perennials that aid in concealing the lanky base of lilacs. Because of their many benefits, including their showy flowers, wide variety of vibrant colours, tolerance to drought, ability to grow in most soil types, and low maintenance needs, they are frequently referred to as the “perfect perennial.” They are remarkable and stunning additions to the garden where they bloom vigorously for weeks on end. In the summer, they showcase their lovely blossoms while the lilacs’ lush greenery serves as a lovely backdrop.

Lilacs Cultural Requirements

There is a large selection of companion plants that will enhance your lilacs’ best features and coexist in harmony with them. Verify that any ornamental grasses, perennials, shrubs, or trees you choose will grow similarly to your lilacs.

Although lilacs may survive in a variety of environments, they thrive, bloom, and exude beauty when grown in wet but well-drained, neutral to alkaline soil in direct sunlight (at least 6 hours). To select the ideal plants for your lilac shrubs, use our Plant Finder.
Make sure your site has good drainage. Wet feet and excessive watering will both prevent lilacs from blooming.

What occurs if lilac bushes are planted too closely together?

However, if they are planted too closely together, two clusters may eventually form, blending the new and ancient varieties. In particular, if the old clump is already well-established when the new plant is added, older kinds are frequently more vigourous than later, hybridised varieties and may even take over. This can be avoided by placing them six to ten feet apart and managing the size of the clumps.

For your gardening pals, these are wonderful presents. Although unlikely, it’s also conceivable for the two plants to generate enough seed to create a new variety. This can be avoided by cutting the wasted flower clusters, and it also works on perennials like phlox.

Lilacs and roses can be planted together.

We want to interplant rose of Sharon and lilacs to create a visual barrier along a property border (extended blooming is the goal of the combination). What advice would you give? Do the plants get along?

The same site requirements apply to rose of Sharon (Hibiscus syriacus) and lilacs (Syringa): full light and fertile, wet, well-drained soil. Both can stand some mild shading. Given that both of these shrubs were employed in Midwest yards before the turn of the century and have remained a part of the region’s landscape ever since the first settlements were established, they make for an interesting pairing as a shrub hedge in the landscape. Both are strong plants that ought to be planted far from the home. You may have noted that they were frequently planted as borders, frequently in front of hurricane walls, in the outermost corners of rural, then city, and eventually suburban yards. They have also been planted as foundations, but that is not where their beauty is best seen.

Depending on the cultivars choose, the lilac can grow to a height of 6 to 18 feet and a spread of 4 to 15 feet. The rose of Sharon is 8 to 12 feet tall and 6 to 10 feet wide. In May and June, the lilac’s abundant and fragrant purple, pink, or white blossoms serve as a welcome sign of spring. The foliage on the arching or upright mounded branches is medium to deep green once the flowers have faded.

The rose of Sharon is the other bookend of the spring-summer season, displaying its large, vibrant blossoms in the sweltering summer months and continuing to bloom when kids return to school. The large, showy rose of Sharon flowers are available in white, pink, lavender, blue, or even violet. They can also be flat, single blooms, double blooms that resemble carnations, or the more recent anemone kind, which has a single flower with a lacy centre. When not in bloom in the summer, the foliage has three distinct lobes and is dark and thick.

Both plants have demonstrated in the Midwestern landscape that they are resilient, hardy, and adaptable. Although the common lilac is infamous for its mildew issues and tendency to grow lanky and open at the base, there are cultivars like Syringa meyeri ‘Palibin’ that are less problematic. Consider combining an early-blooming forsythia with a mid-season bloomer, such as a spirea, to create a continuous colour scheme.

Should lilacs be Deadheaded?

Dwarf lilacs that resemble ordinary lilacs include the “Palibin” Meyer lilac (Syringa meyeri “Palibin”) and the “Miss Kim” Manchurian lilac (Syringa pubescens ssp. patula “Miss Kim”). However, they hardly ever need pruning for maintenance, though you can do it sometimes for shape. They can also profit from deadheading, just like other lilac kinds.

The act of manually removing withered blossoms from a plant is known as deadheading. This encourages some plants to continue blooming. But only during the first several years of growth does deadheading seem to make lilacs bloom more effectively.

Within two to five years, young lilac plants should start blooming. Deadheading the spent blooms when the plants are young encourages the plant to focus its energy on developing new buds. It won’t require this stimulation once the plant has grown older, and you’ll probably have so many flowers that the task would take too long.

Your lilac will blossom beautifully some years, and less so other years, just like with any plant. Blooms frequently rely on the climate. You will be rewarded with an abundance of blossoms the next year if you have a beautiful summer during which strong new growth emerges. Less flowers will bloom in a summer with harsh weather. Therefore, if your lilac’s colour changes from one year to the next, don’t get alarmed. The blossoms will come as long as the plant is strong and you continue with maintenance pruning.

Is it okay to grow lilacs next to a fence?

There are a few factors you should take into account when deciding where to put your lilac shrub for best results. These are them:

-Plant your lilac containers or bare roots at least 5 feet apart from one another to provide each plant enough room to spread its roots and adequate airflow.

For the same reason as above, try to plant lilac bushes a few feet away from a wall or fence. This shrub spreads out widely as it matures. Just like other shrubs, they can expand over several feet, so make arrangements accordingly.

-Place your lilac shrub where it will receive at least 6 hours per day of FULL SUN.

How far apart should you place lilac bushes?

Did you know that the National Gardening Bureau has designated 2022 as the “Year of the Lilac”? They have a sweet, eerie aroma and are among the easiest shrubs for your landscaping to maintain that bloom in the spring. Find out how to plant, nurture, and prune your lilacs.

About Lilacs

Syringa vulgaris, or common lilac, is prized for its tenacity, dependability, and scent. Lilacs are so hardy that they can live for more than 100 years and frequently outlive the houses they were planted near.

This tiny, multi-stemmed deciduous shrub (or tree) has approximately ten canes and blooms at eye level. The height of a common lilac can range from 8 to 12 feet, depending on the cultivar. The aromatic flowers attract butterflies and make good cuttings.

There are lilac types that come in white, cream, and even pink and yellow, though the blooms are typically lilac/purple in hue (ranging from very pale to extremely dark). Flowers can be solitary or double in number.

Lilacs bloom in northern states from mid- to late spring for around two weeks. However, there are lilac varieties for early, mid, and late seasons that, when cultivated together, guarantee a consistent bloom for at least six weeks.

Lilacs do best in soil that is fertile, humus-rich, well-drained, and neutral to alkaline (at a pH near 7.0). Add compost to your soil to improve it if it is in bad condition. (Learn more about adding amendments to the soil and getting it ready for planting.) Lilacs don’t enjoy having their feet wet and won’t blossom if they are kept too moist, so make sure the planting area drains well.

Lilacs should be planted in full sun, which is defined as having at least six hours of sunlight each day, for the finest blooms.

How to Plant Lilacs

If you’re fortunate, a friend may offer you a sucker, or offshoot, of the plant’s root system. The sucker will first appear pitiful, but all you need to do is dig a hole, fill it with soil, and then insert the sucker. water next, and then wait. You’ll be rewarded with enormous, fragrant blossoms in 4 or 5 years.
Lilacs purchased from nurseries can also be planted easily. If the plant was cultivated in a container, spread its roots out as you plant it; if it was balled or burlapped, gently remove the covering and any rope before doing so. Set the plant 2 to 3 inches deeper than it was while it was growing in the nursery and cover the roots with topsoil. in water Then add more topsoil to the hole to finish it.
Depending on the kind, place multiple lilac bushes 5 to 15 feet apart.
Apply a layer of compost under the plant each spring, followed by a layer of mulch to keep moisture in and weeds under control.
If the weekly rainfall is less than 1 inch, water during the summer.
If lilacs receive too much fertiliser, they won’t bloom. In the late winter, they can manage a few 10-10-10, but no more.
Spread some lime and thoroughly composted manure around the base of your lilac bush once it has finished blooming. Remove suckers while you form the shrub by trimming it.

Pruning Lilacs

Since lilacs blossom on old wood, it’s important to prune in the spring immediately following their bloom. You risk removing the wood if you prune later in the summer. A word of advice: It’s time to prune if your lilac flower clusters are getting smaller!
After bloom each year, cut away any dead wood. Remove the oldest canes by pruning (down to the ground). Take out the tiny suckers. Reduce weak branches until a robust shoot remains. Reduce tall canes to eye level.
Remove one-third of the oldest canes (down to the ground) in year one, half of the remaining old wood in year two, and the remainder in year three if your lilac is very old and in poor condition. Cutting the entire plant back to a height of approximately 6 or 8 inches is another option for elderly lilacs. Although it sounds dramatic, lilacs are remarkably resilient. This option’s drawback is that it takes some time for the hair to grow back. The lilac will grow back bursting with blooms, so there will be less work and more reward.
It is important to understand that extreme trimming causes bloom loss for one to three years. For these reasons, a smart pruning programme gives the bushes yearly attention in an effort to avoid making dramatic and severe cuts.

The Syringa vulgaris kind of lilacs is the most widely grown and fragrant:

Try the double magneta variety “Charles Joly” for an early bloom.
Lilacs in the middle of the season include “Monge,” a deep reddish purple, and “Firmament,” a delicate blue.
Miss Canada, a reddish pink, and Donald Wyman, a solitary purple, are two late-season beauties.

Syringa x hyacinthiflora, an early-flowering lilac cultivar, opens 7 to 19 days before those of the common lilac. Hummingbirds and butterflies are attracted to its fragrant blossoms.

The cutleaf lilac, a fragrant pale lavender, is one of the common lilacs that may flourish as far south as Zone 9. Common lilacs appreciate cold weather. The beautiful shrub Syringa patula ‘Miss Kim’ has light lilac-blue flowers that eventually become white.

There are tiny kinds for gardeners who simply don’t have the space for the conventional larger lilacs, particularly those in urban settings. Even in a container on your balcony or patio, they will grow.

‘Baby Kim’ has a lovely rounded shape, only grows 2 to 3 feet high (and 3 feet wide), and has purple flowers that draw butterflies. Hardiness from Zones 3 to 8 extended.
Compact lilac ‘Little Lady’ (Syringa x) has dark pink buds that open to lilac-pink flowers and grows to be 4 to 5 feet tall and wide at maturity. Zones 2 to 7 are tough.
Syringa vulgaris cultivars “New Age Lavender” and “New Age White” were developed for mildew resistance and are quite compact, growing from 4 to 5 feet tall and wide. Hummingbirds and butterflies are drawn to their fragrant blossoms. Zone 4 hardy.