What To Plant Around A Lilac Bush

fake orange
crabapples in bloom.
Dogwoods.
cherry blossoms.
Magnolias.

Where shouldn’t lilac bushes be planted?

Avoid planting lilacs in areas that will receive more than a half-worth day’s of shade because they thrive in full sun. Make sure to give them room to expand when you plant them. To find out the mature plant’s height and spread, read the label on the plant.

Lilacs require sufficient drainage to thrive. The soil should have just enough moisture to support the root system while still allowing for free drainage after heavy rains.

Dig a hole that is about 8 inches in diameter and 12 inches deep to test the drainage before planting. Add water to the hole. Choose a different location if the water hasn’t drained after an hour.

Can hostas be planted beneath a lilac tree?

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 colored. 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 colors 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 color 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 favorite 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 color after the lilac blossoms have faded.

Lilacs go well with herbaceous peonies and tree peonies (Paeonia). They complement each other’s appearance and colors 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 colors, 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 colors, 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.

Are lilac bushes suited to coffee grounds?

Lilac plants don’t require a lot of food or fertilizer. A 10-10-10 fertilizer mixture applied yearly in the early spring is what we advise. (The amounts of nitrogen, phosphorus, and potassium, or NPK as they are popularly known, are represented by the digits 10-10-10 in the formula.) Early spring fertilization of lilacs with a high phosphorus solution encourages blossoming.

Coffee grounds and grass clippings are also excellent sources of nitrogen. Use in moderation since an excess of nitrogen in the soil can lead to subpar blooms. The ideal soil conditions for lilacs are slightly alkaline (6.5–7.0 pH), wet, and well-drained. The soil may become more alkaline by adding bone meal to it. Use Miracle-Gro Shake ‘n Feed Flowering Trees & Shrubs Plant Food in the spring if you decide to feed your plant. Last but not least, lilac plants dislike acidic soil. Epsom salts can be used to encourage blossoming while the plant is dormant.

How are lilac Fullers made?

Cutting off the tops of stems that have grown out of control is frequently insufficient when pruning lilacs. It is typically preferable to remove the entire stem. The best way to trim lilacs is with clippers. To avoid spreading and promote later blooms, remove spent blossoms right down to the stems. Three-quarters of the branches should be pruned. Remove any shoots that are emerging from the main trunk and are growing close to the ground. Lilacs within the inner branches may need to be trimmed in order to increase air flow or let more light through.

However, it may be essential to prune the entire bush or tree to approximately 6 or 8 inches (15-20 cm) above the ground if lilac shrubs are already too big or starting to look unpleasant. Remember that it takes around three years for flowers to grow after the entire bush has been removed, so you might have to wait.

Can I grow lilacs close to the house?

Lilac roots aren’t thought to be invasive, so planting lilacs close to a building’s foundation poses no risk as long as you give them adequate room. The average root spread for lilac shrubs is 1.5 times that of the shrub’s width. In most cases, keeping objects away from the foundation at least 12 feet (4 meters) will prevent foundation damage.

When lilacs are in flower, what do you plant?

Beans, cucumber, and squash seeds should all be planted at the same time the lilac bush is fully bloomed.
Beets: Plant beets, along with carrots, crops from the cabbage family, lettuce, and spinach, when the lilac is in its first leaf and the dandelion blooms.
Broccoli: Plant broccoli when dandelions are in flower and lilacs are just starting to leaf out.
Plant Brussels sprouts when the dandelions are in flower and the lilacs are just starting to leaf out.
Cabbage: When lilacs first start to leaf out and dandelion flowers appear, plant cabbage and crops from the cabbage family (broccoli, Brussels sprouts, collards), as well as beets, carrots, lettuce, and spinach.
When the mock orange is fully bloomed in the fall, plant spring cabbage.
Carrots: Plant carrots, beets, vegetables in the cabbage family, lettuce, and spinach when the lilac is in its first leaf and the dandelion is in bloom.
Collards: When lilacs first start to leaf out and dandelions are blooming, plant collards.
Corn: Sow corn as soon as apple blooms start to wilt and as soon as oak leaves reach the size of a squirrel’s ear.
Plant cucumber seeds, bean seeds, and squash seeds when the lilacs are fully bloomed and when the blossoms are just beginning to fade.
Transplanted eggplant: Melons, peppers, irises, and daylilies all begin to flower.
Plant hardy crops in the spring when the plum and peach trees are in full bloom.
Plant lettuce, together with spinach, beets, carrots, and crops from the cabbage family, when the lilac is in its first leaf and the dandelions are in flower.
Melons: Plant melons, as well as eggplant and peppers, as the daylilies and irises begin to blossom.
Peas: Plant peas once the forsythia and daffodils have finished blooming.
Peppers, eggplant, and melons should all be transplanted when the daylilies and irises begin to blossom.
When the first dandelion blooms, sow potatoes.
Plant spinach, together with beets, vegetables from the cabbage family, carrots, and lettuce, when the lilac is in its first leaf and the dandelion blooms.
Squash: Plant bean, cucumber, and squash seeds at the height of the lilac bloom and just as it is beginning to fade.
Warm-season, delicate summer crops: Plant delicate crops as soon as you notice new growth on grapes.
Tomatoes: Plant tomatoes when the flowering dogwood, lily-of-the-valley, or daylilies begin to blossom.

Are your lilac bushes pruned?

An old, overgrown lilac was one of the few plants that endured my garden restoration. The fact that it obscured my neighbor’s garage and, more importantly, sported steel-blue double flowers, led me to rescue it. Although the blossoms on this shrub were both lovely and fragrant, it was difficult to appreciate them because there were so few of them. I decided to go with a rejuvenation pruning because I knew there was no reason to give up on this long-neglected plant because lilacs can handle severe pruning.

On stems that are no older than five or six years, the common French lilacs (Syringa vulgaris cvs.) yield the most and the largest flowers. The flowers get fewer, smaller, and farther away as the stems get older. A lilac, however, may reliably produce blossoms for decades with the right trimming. The method you choose will depend on how old your shrub is. Plants are maintained annually to keep them healthy. A more drastic trimming may be necessary for lilacs like mine that have seen better days.

Lilacs should be clipped annually to encourage healthy stem development and strong growth that improves flowering. Cutting sick, deformed, and unproductive stems to the ground constitutes annual pruning. I thin and cut back some stems as well to promote healthy, evenly spaced growth. To prevent them from growing too far away from the center of the plant, I also pruned a few of the new shoots that emerged from the roots. I left a few inches between each stem to prevent crowding. Since they produce the most, I maintain the pencil-thick shoots that extend all the way to the ends of the branches. Small, twitchy growth is unproductive and won’t blossom. This growth can indicate an excess of aged, unproductive stems or too much shadow. Remove stems as soon as possible after blossoming, or in late winter if you don’t mind losing a few blooms. Cut off stems and shoots at or just below the soil line.

Dwarf lilacs rarely need pruning

Both the “Palibin” Meyer lilac (Syringa meyeri “Palibin”) and the “Miss Kim” Manchurian lilac (Syringa pubescens ssp. patula “Miss Kim”) are twiggy-habiting, somewhat small lilacs. On these types, just deadheading is needed in terms of pruning. You can prune some of the older stems as the plants get older to make place for younger, more robust stems. In contrast to regular lilacs, these plants hardly ever spread out of control. They might never need to be entirely regenerated if you only undertake a tiny amount of trimming every few years.

After the blooms have faded, deadheading, another aspect of annual maintenance, should be carried out as soon as feasible. Just above the two new shoots that slant out from the stem that stopped with the old bloom, the base of the old flower cluster should be cut off. The new shoots will develop throughout the course of the summer, produce flower buds, and culminate in a cluster of flowers the following spring. While not as crucial as the annual thinning, eliminating the old blossoms enables the plant to focus more of its energy on developing robust branches and flower buds. In June, I deadhead and thin my plants as needed.

While performing this yearly maintenance, I occasionally come upon a young, robust shoot that may be getting too tall but is still a good, productive stem and is a candidate for tipping off. I cut the wasted flower’s entire top stem back to one or two side shoots at the desired height rather of just cutting it off at the base. The side shoots that are now near the top of the bush are encouraged to grow vigorously and develop flower buds for the following year by this cut, which also aids in shrinking the shrub.

My own old, overgrown lilacs need more severe pruning. I went outside in the early spring before growth got going to get a good look at the bush. I looked to see if the plant had been grafted before I began chopping. I immediately cut it down to the ground as it hadn’t (for a grafted plant, see the panel below). I recognized that this drastic trimming would result in the plant losing part of its aesthetic appeal for a few years because lilacs bloom on the growth from the previous season. However, I was also aware that the reward—more blossoms and a stronger plant—would be worthwhile.

It’s crucial to nourish the plant after rejuvenation pruning with compost, composted manure, or a balanced chemical fertilizer and to make sure the soil pH is close to neutral, which lilacs appreciate. In the upcoming years, these supplements and some high-quality mulch will help to encourage vigorous new growth and enhanced flowering.

Has your lilac been grafted?

If your lilac has been grafted, check it out before you start making cuts to the stems. Grafting is a method of plant multiplication in which the scion, or branch, of one species is joined to the rootstock, or stem, of another species. This is typically done to enhance a plant’s look or traits. A graft union, where the cultivar’s scion wood joins the rootstock several inches above ground level, should be obvious. An apparent change in the bark from the rootstock to the scion’s bark, as well as a little swelling at the graft union, are things to watch for. If your plant has been grafted, all of your cuttings must be made above the graft union, and you must prevent shoots from the rootstock from developing into new flowering stems. Flowers of the desired shape or color will not be produced by shoots that emerge from the rootstock.