shrub

Viburnum are a shrubby flora that can make a hardy increase to any garden space . Once show , they are reasonably miserable - sustainment , and can get across several hardiness zone . In this article , horticulture expert Jill Drago partake her experience with viburnums and all vista of their upkeep .

Contents

viburnum varieties

Viburnum are a large group offlowering shrub . genus Viburnum deviate greatly within the genus , with no real feature tying them all together . Theseshrubs often have blank flowersand almost always have colourful Chuck Berry that follow the flowers .

These shrub are native to a big part of North America , and because of this , they are typically reasonably low - sustentation . genus Viburnum do not need much water once they are show and require little pruning if they are planted in the correct quad .

countenance ’s learn about these aboriginal beauties ! We will find out how to use it in your landscape , andhow to grow it with ease . You ’ll also get suggestions for a few democratic varieties .

Viburnum Shrub Overview

Viburnum Shrub Overview

Plant History

genus Viburnum are native to both North America as well as regions of Asia . It is a very enceinte group of industrial plant that consists of over 150 nominate coinage andcountless varieties .

Viburnums are a fishy group of inflorescence shrub . There are countless species , but there is n’t any singular machine characteristic that ties the group together .

There are two similarity , however . Theirfruit type is a drupe(fleshy fruit with a heavy seed inside- think of a peach , but much little in the case of a genus Viburnum ) , and theirleaves are polar . This means the leaf on either side of the stem grow directly opposite from each other from one growth stage or node .

Close-up of a viburnum bush with bright red berries in the garden. The bush is large, has long branches covered with dark green, large, simple, three-lobed leaves with serrated edges. Clusters of juicy, soft, round, bright red berries hang from viburnum branches.

Cultivation

genus Viburnum are a big genus with over 150 unlike species . However , there are10 speciesthat are considered to be the most common and most lie with .

Viburnum x burkwoodiiis a fragrant viburnum that is hardy in zone 4 - 8 . This viburnum will grow from 8 - 10 human foot marvellous and the foliage is semi - evergreen .

Viburnum carlesiimay just be the most used genus Viburnum . It is popular for its fragrant flowers . This speicies typically uprise anywhere from 4 - 6 human foot tall , however some salmagundi have been know to reach out 10 substructure . Korean Spice viburnumis hardy in zones 5 - 8 .

Close-up of Kalina Burkwood (Viburnum x burkwoodii) blooming in a sunny garden. The shrub produces magnificent pinkish-white flowers in globular inflorescences, blooming among beautiful, glossy, dark green foliage.

Viburnum davidiiis another adorable alternative for your garden . This mintage turn in a nice mound form growing from 3 - 5 feet magniloquent . The flower lead off as pink and melt quickly to white . The berries are often racy and showy . David viburnumis unfearing in zone 8 and 9 .

Viburnum dentatumis a great genus Viburnum for partial shade garden . The flowers are white and are often followed by patrician berries . Arrowwood viburnum will grow from 6 - 10 feet in geographical zone 2 - 8 .

Viburnum henryiis easily trained into a tree diagram form and will grow from 7 - 15 foot grandiloquent in partial sunlight . The leaves are evergreen and hold an attractive fall color . produce this strong mood metal money if you are in hardiness zone 7 - 10

Close-up of a flowering branch of the Koreanspice viburnum shrub against a blurred green background. A small rounded inflorescence of pinkish-white 5-petaled flowers with yellow centers surrounded by bright green oval leaves with slightly serrated edges.

Viburnum lantanais a improbable genus Viburnum species that can be a bit leggy but still has beautiful flowers . Grow this species in full to partial sun and it will reach between 10 and 15 feet in pinnacle . Grows best in zones 4 - 7 .

Viburnum lentagois a drouth - patient of plant that boast livid flush that will last into the capitulation . Once the bloom have dropped , there will be a large routine of berries present on the shrub .

produce nannyberries in full to partial sun , and the bush will turn from 14 - 16 base marvelous . This mintage grows best in hardiness zone 3 - 7 .

Close-up of a flowering branch of Viburnum davidii in the garden. A small hemispherical inflorescence that consists of tiny white flowers with yellow centers. The leaves are dark green, large, oval, shiny, have deep longitudinal veins with three curved lines.

Viburnum opulusboasts snowball - similar prime . Many Viburnum have these rounded flowers , but this is the most common species .

This coinage is considered to be invasive in some areas , so check your invading works list before purchase . The snowball bush will grow from 8 - 15 feet in full or partial sun . Plant this species in zones 2 - 8 .

Viburnum rhytidophyllumis a semi - evergreen viburnum , drip its leave in cooler climates . Its prime are two-dimensional rather than ball - shaped but still beautiful . The leatherleaf genus Viburnum will grow from   6 - 15 feet tall in full to partial sun . Grow this species in zones 5 - 8 .

Close-up of a flowering shrub Viburnum dentatum. The leaves are bright green, oval, coarsely serrated, with strong venation. Tiny white flowers with prominent long pale yellow stamens are collected in flat inflorescences resembling hats.

Viburnum tinusis an evergreen plant viburnum with pinkish to white flowers . This species will grow from 6 - 12 feet marvelous in full to partial sun . Grow confidently in hardiness zones 7 - 9 .

Propagation

The easiest and most successful way to propagate your genus Viburnum is through lease softwood or hardwood clipping and rooting them at home . The process for both is pretty much the same .

Planting

Planting viburnum shrubs is a breeze . Once you have found a smear in your garden , you will just want to apprehend a nice large hole .

Aim to make this hole about twice the size of the rootage ball of the viburnum . Situate your industrial plant in the center of the hole and backfill with your garden soil .

pee thoroughly and keep your heart on your newly planted shrub for the residuum of the grow season . These shrub are drouth - tolerantwhen they are well established . However , they will need to be water more on a regular basis when they are freshly plant .

Large flowering shrub of viburnum henryi in the garden. The shrub has shiny, dark green, rather elongated leaves and large white inflorescences of tiny snow-white flowers.

How to Grow

When growing viburnum shrub , it ’s important to converge their outgrowth needs by provide an optimum environs . You ’ll want to make certain to provide them with adequate sunlight , water , and plant food . You ’ll also need to ensure that they are planted in the proper dirt pH , as well as being planted in the good climate . Let ’s dig a little deeper into each growth gene .

Light

Viburnums in the main opt to grow infull Sunday , although they aretolerant of some partial shade . If you live in a warm climate , it is a good idea to make certain your viburnum is go some shade in the good afternoon to preclude piss exit and crispy leaves .

Water

genus Viburnum need aboutone inch of water per calendar week . This can either be from irrigation or rainfall . If you are not sure how much piddle your gardens get , I would suggest using a rainwater gauge to ensure your plants are generate the water they ask .

While your viburnum is getting show in your garden , you will want to keep a penny-pinching eye on your shrubs to make trusted they do not dry out too chop-chop . Many Viburnum are native to North America and will be drouth - tolerant once they have matured .

Soil

When you are pick out a site to plant your viburnum , do your in force to obtain some well - draining soil . Viburnum do not like to have pie-eyed feet .

As far as soil pH goes , genus Viburnum are fuck to be acid - lie with plant . However , there are some varieties that are more tolerant of a neutral pH. Do your homework before you purchase your shrubs . If you are not sure what your dirt pH is , do a quick grunge test .

Climate and Temperature

While this may differ slightly between coinage , viburnums are in the main hardy inzones 4 - 8 . They favor moderate climate . If you live in a warmer climate , the shrubs will profit from some afternoon shade .

Fertilizing

Viburnums do not require much when it comes to fertiliser . One practical software in the spring of abalanced fertilizerwill suffice .

ensure you have squeamish rich dirt is a great agency to ensure that your viburnums are getting the nutrients they need . you may do this by adding compost to the surface of the soil once or twice a year .

Pruning

Pruning viburnums is not always a necessary garden chore . If you would care to cut your shrubs to exert a specific height , this is best done in the early saltation .

Once the wintertime extend , remove any low or weakened leg .

If you need to give your viburnum a really good pruning , or a rehabilitation pruning , this is best done in the early bound as well . You will lose your blossom for the season , but yourplant will be rejuvenate and back to its beautiful selfnext twelvemonth .

Close-up of a large inflorescence of the Viburnum lantana shrub in the garden. A large hemispherical inflorescence, consisting of tiny white flowers with long bright yellow stamens protruding from their centers. The leaves are thick, leathery, rough, ovate, dark green, finely serrated at the edges.

There are a few popular varieties that you ’ll see utilized in very unlike ways . permit ’s take a look at some of the most popular varieties you are likely to see in display garden .

The looker of this viburnum is in the berries . But before the berry get in , this compact bush will be covered with Abronia elliptica - shaped creamy bloodless flowers .

Once the flowers fade , the vivid blue - colored berry arrive and cover the bush in the late summer and will last well into the winter . Throughout the growing time of year , the foliage is a shiny dark green . The leafage will then change state to shades of gold or purple when the temperature shed .

Close-up of a flowering Viburnum lentago shrub in a garden. The dark green leaves are ovate with serrated edges and tapered tips. Large, oblong inflorescences of small creamy white flowers and many rounded greenish buds grow on branches.

The bluish muffin viburnum is a enceinte pick for understructure plantings , as well as hedges and even smaller gardens .

If you are bet for a viburnum that will make a argument in your yard , the easterly sweet sand verbena is a great selection ! This shrub is covered in ball - shaped blooms that powerfully resemble hydrangea flowers . The leafage is brilliant light-green during the summer but will fleet to a squeamish shade of purpleness in the drop .

set the eastern snowball pretty much anywhere in your garden . The flowers will show themselves off no matter where you plant them . Try planting this viburnum as a backdrop to your perennial garden , or as a statement shrub near a window where you wo n’t miss the flowers .

Close-up of a flowering shrub Viburnum opulus in a garden. The shrub has broad, three-lobed, bright green leaves with a rounded base and roughly serrated edges. Large, spherical inflorescences consist of 5-petalled sterile flowers.

‘ Korean Spice ’ viburnum is a somewhat sized bush , work it easy to meet into your gardens . The flowers are a light wraith of pinko , which start blooming in the spring . Once the flowers have go past , scarlet Chuck Berry will come along . These berries will wither to black in the fall . The cryptic green foliage will twist to rich shades of red in the fall .

This Is a beautiful viburnum to plant near your patio or near your kitchen windows . Anywhere that you will be able to enjoy their fragrant flowers .

Pests

In general genus Viburnum are pretty resistant to any majorinsect infestations . However , there are some rough-cut garden pests that may show up throughout the time of year that have been found on viburnums .

Aphids are tiny green dirt ball that draw the life out of the leaves and stanch of your plant . These common pests are found in large quantity and can do a estimable amount of damage if they are left untreated . You may notice their damage byspotting the yellowing of leaves and stems , as well as by hear the insects themselves .

you could spray aphid off your plant using the spray of your hose , or you could use insecticidal soap or horticultural oil to control them . Whichever method acting you choose , be certain to make contact with the aphids themselves .

Close-up of a flowering branch of Viburnum rhytidophyllum in the sun in a garden. The leaves are long, shiny, leathery, dark green with thick and deep bile. The inflorescence is flat, consisting of many tiny white flowers with orange centers and prominent long white stamens with yellow anthers.

These small fly insects dine on plants the same way aphids do . Thrips will take in the spirit out of leaves , flowers , and berry . You may observe yellow splotches on otherwise healthy plant tissues .

Because thrips are flying insects , they can be a piddling guileful to ensure . continue your garden neat and your viburnums well cared for is the honest way to keep your industrial plant healthy and strong . If you feel yourself with a thripid infestation , insecticidal soaps can work by smothering the thrip .

Scale insect can induce severe dieback if they are leave untreated . The nightwalker stage of this insect will lead off to come forth with young growth in the leaping . These insects are so flyspeck at this stage you credibly wo n’t see them .

Close-up of a flowering branch of Viburnum tinus in a garden against a blurred background. The flat inflorescences consist of tiny round pink buds and many open white flowers with pale yellow stamens. The leaves are opposite, dark green, entire, narrowly ovate.

Once the crawlers settle down and feel a sound alimentation fleck , they will start to make a waxy surface around themselves which will protect them and also make ascendency unmanageable .

you’re able to pluck the scale off of your genus Viburnum with your hand . If you have a serious infestation , it isbest to prune the outgrowth flop off your plant .   Horticultural crude oil spray in the outflow can also help to get free of the ass-kisser before they make their armour .

These pesky dirt ball will sop up on the tissues of your plant . They are small , and you likely will not notice the worm themselves . What you will notice is thewebbing they make to protect themselves and their eggs .

Close-up of viburnum sprouts on a blurred background of a sunny window sill. The sprouts have small bright green, simple, three-lobed leaves with slightly serrated edges.

You will mark small spots on the buns of the leave-taking . The damage will spread to the tops of the leaf as the wanderer mite universe booms .

Spider mite are attracted to industrial plant that are under stress . Prevention is your well cadence here . Keep your viburnums well - watered to help keep these louse at bay .   Spray your hosepipe at your viburnum to knock the insects off of the plant life . If this does not work , you could use an insecticidal soap or horticultural crude .

This beetle is probably the largest scourge to viburnums when it fare to insects . The viburnum folio mallet feed entirely on viburnums . The larvae as well as the adult beetle will nibble on leaves , leavinglarge holesthroughout .

Planting a viburnum bush in the garden against the background of a wooden fence. A viburnum bush with a root ball stands next to a dug hole ready for planting. A large garden shovel and a blue bucket of water stand next to a small mound of soil.

Using horticultural crude oil is your respectable bet . If you have a really bad infestation , imidacloprid applied as a drench will work for you .

Diseases

Similar to pests , these shrub can be affected by a few unlike diseases . The abide by diseases are those that you will be most likely to happen , as well as a few crown on preventing them from taking over your plant in the first place .

Canker is get by a fungus calledBotryosphaeria . Like many other diseases and ailments , canker sore is more predominant on Viburnum that are stressed .

If your viburnum has any combat injury , this is where you will see canker forming . The fungus will work itself into the wounding and cause sunken areas . As these cankers procreate , they will eventually connect to one another and deaden the plant . This will result in plant life death .

Close-up of blooming viburnum in full sun in a garden against a blurred background. The bush has lush, smooth, dark green foliage, oval in shape. Large and dense cap-shaped inflorescences consist of many small pink-green rounded buds and some snow-white tiny five-petalled flowers in full bloom.

Prevent cankers bykeeping your genus Viburnum water . If you see cankers on your shrub , your skillful bet is to prune the infected branches and burn them .

This is a common garden disease . Powdery mold typically show up when the weather gets more humid . The extra wet in the tune promotes fungal growth , and blast , you ’ve got yourself some powdery mildew . fortunately powdery mold wo n’t be too damaging to your Viburnum .

Keep your garden clean byremoving plant debris from the soil , and also by get rid of leaves from within the bag of the bush . This will help to prevent powdery mold from developing . If it is too late for prevention , horticultural crude oil can help , as can other antifungal agent you could discover at your garden center .

Close-up of a cluster of ripe bright red viburnum berries covered with water drops during rain among the leaves and branches of a bush. The berries are small, red, round, juicy, plump. The leaves are light green in color, lobed with serrated edges.

This is another fungal disease , but this one affects the root system of your viburnum . You may not notice any symptoms of root rot , other than the plant suddenly die .

If you do notice that your viburnum is suddenly drooping , hasyellow leavesall over , or is dropping its leaves dead , you may have root decomposition . These symptoms probably sound a lot like a industrial plant that has too much water , or too little weewee .

The path to find out if it is fungal root bunk is to strip down aside some bark from the base of the plant life . If you see white fungus beneath the bark- you have fungal root rot .

Close-up of a farmer’s female hands checking soil health before planting plants in a garden. The woman is wearing an orange shirt and beige trousers. The soil is dry, loose, crumbly.

There is not much you could do once a industrial plant has become infected with ascendant bunk . Preventing it is easily done with cultural practices . ensure that your viburnum is properly watered is a dear way tokeep this disease from take clutch .

Plant Uses

If you are looking to create a very low maintenance garden that is not only beautiful but also benefits the environs , adding viburnums is a great place to embark on . These bush do not call for much fertilizer , or water . Their berry provide food for thought for birds , and their flowers pull many beneficial pollinators .

Viburnum make forgreat hedge or privacy screens . Not all viburnums are evergreen , so if you are look for year - round privacy make certain you choose an evergreen genus Viburnum .

genus Viburnum are also beautiful specimen plants . The blossom are showy , and many specie and varieties have Berry that are equally as beautiful provide year round pastime for your garden .

Close-up of a flowering viburnum shrub in a sunny garden. The shrub has oval, dark green leaves with slightly serrated edges and flat, cap-shaped inflorescences of tiny pinkish-white, 5-petaled flowers with yellow centers.

Frequently Asked Questions

If you are noticing that your viburnum is not pump out the amount of flowers you were hoping for you should check its growing consideration .

First , genus Viburnum bloom best when they are institute in full sunshine . This means at least 6 hour of Sunday . But really 8 - 10 is better . These plants do benefit from a short turn of afternoon shade if you know in a warmer clime . This will facilitate to keep the plant from losing too much weewee . But , if you are trying to get your viburnums blooming you will need to focus on the sun .

secondly , mark off the amount of water your plant is getting , as well as the soil type your genus Viburnum are grow in . Viburnums do not like having fuddled roots , if the soil is not drain well enough your industrial plant may not grow flowers .

Close-up of a gardener’s hands in blue gloves holding two types of fertilizer against the background of the soil in the garden. One hand holds a handful of fine white granular fertilizer and the other hand holds a handful of coarse grayish-white granular fertilizer.

A introductory plant food will aid your flora to grow skilful healthy vegetive and flowered ontogeny . Apply fertiliser in the spring .

Viburnum do not hold major toxic qualities . There are some species that produce berries that are made for jam . However , there are also some specie that produce berry that are slightly toxic . So to keep things on the safe side , do not ingest any part of the viburnum flora .

In some areas of the United States Viburnum are on the trespassing plant list . This is a new determination . It is unknown why the plants are pass around rapidly in some areas .

Close-up of women’s hands pruning bare branches of viburnum with slightly withered clusters of berries with secateurs. The berries are bright red, round, juicy, slightly wrinkled. The woman is dressed in a warm blue sweater.

The viburnums you purchase from a garden gist in all probability will not take over your garden . They will grow as expected . Do a turn of research to see if viburnums are considered to be invasive in your area , and check which species are invasive .

Yes ! This is a enceinte option if you do not have a lot of garden blank space that get a lot of sunshine . You will need quite a large pot though . When you get set forth pick out a pot that is twice as wide as the antecedent ball of your viburnum . Use good quality potting mixture , and locate your pots in full Sunday !

Final Thoughts

Viburnums are beautiful flowering shrubs . I have sex them for so many reasons . Their size and shape , their stunning flower , and theirvibrant berries make this shrub a must - grow in your garden . If you are looking for a low-pitched - alimony plant for your gardens , I urge you to give a viburnum a attempt ! Your garden and your local wildlife will thank you !

Close-up of viburnum dentatum ‘Blue Muffin’ berries in the garden against a green blurred leafy background. The berries are small, round, dark blue, almost black.

Close-up of a flowering shrub Viburnum opulus ‘Sterile’ in a sunny garden. The shrub has dense, dark green, wide, three-lobed, with jagged edges. Large, spherical inflorescences consist of many small snow-white flowers resembling hydrangeas.

Close-up of a flowering Viburnum carlesii (Korean Spice) bush in a garden. The slender branches are covered with dark green, simple leaves with serrated edges. The flowers are small, pinkish-white, collected in hemispherical inflorescences.

Close-up of a green viburnum leaf in a female hand. Leaf affected by black garden aphids. The aphid is a soft-bodied tiny insect with an oval black body.

Close-up of a small thrips on a leaf. Thrips has an oblong yellowish-orange body. There is a large hole on the leaf.

Close-up of many tiny scaly insects on green branches. Scaly insects are oval, swollen in shape, and have brown wax shells.

Close-up of a leaf infested with spider mites on a black background. Spider mites are tiny white insects located on a thin, barely visible web.

Close-up of a Viburnum Leaf Beetle on a damaged viburnum leaf against a blurred blue-green background. The beetle is small, the head, thorax and elytra are brown, the dorsal surface is covered with dense golden-gray hairs.

Close-up of a black sore formed on a branch affected by the fungus Botryosphaeria. A thick branch with a black rotting spot on a blurred green background.

Close-up of a dark green leaf affected by powdery mildew. White, powdery coating on the leaf surface.

Close-up of dug up roots of a bush affected by root rot. The roots are large, long, brown-white with rotting patches. The soil is wet.

Flowering bush of viburnum opulus Roseum in the garden. The bush is large, has long branches with large, dark green, three-lobed leaves. Large rounded inflorescences of small white flowers bloom on a bush.