How to plant and cultivate snowball viburnum (viburnum opulus roseum)?

How to plant and cultivate snowball viburnum (viburnum opulus roseum)?

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The characteristics of viburnum snowball

  • Type: flowering tree
  • Height: from 30 to 60 cm, from 60 to 80 cm, from 80 cm to 1 m, from 1 to 2 m, from 2 to 5 m, from 5 to 10 m
  • Flower colors: white, pink, green
  • Desired exposure: sunny, semi-shaded
  • Type of soil: normal, limestone, acid
  • Foliage: obsolete or persistent
  • Interview: easy to maintain
  • sanitizer: no
  • Other varieties: Viburnum davidii, Viburnum x bodnantense, Viburnum opulus, Viburnum plicatum, Viburnum lantana…

Origins and peculiarities of the viburnum

The viburnum (viburnum) is a flowering tree in the caprifoliaceae family. Today there are more than 200 varieties of viburnum, the heights of which vary from 50 cm for the shrubs to 10 m the tallest. The snowball viburnum (viburnum opulus roseum) is a deciduous shrub native to Europe, but also from North Africa and Central Asia.

Very easily recognizable, the cultivar "roseum "(also known as Gelderland Rose) is distinguished from other varieties by its typical flowering: the flat white flowers, which are reminiscent of those of hydrangeas, form a very compact ball about 10 cm in diameter; hence the nickname of snowball viburnum! At the beginning of flowering, the flowers are white, then around May and June, the flowers take on a pretty pink hue. Since the flowers of this shrub are sterile, it will never give fruit. The foliage of viburnum opulus roseum, obsolete and cut, recalls that of the field maple. In autumn, it takes on superb red or orange hues, even wine-red.

Very popular in pleasure gardens, the "snowball" viburnum can be planted in a varied hedge, but also in clumps, or isolated in the garden. It is a perfect shrub to bring volume in all elegance among other flowers!

To note: if the flower of the viburnum snowball is odorless, most varieties of viburnum present a certain olfactory interest, in particular viburnum tinus whose flower is extremely fragrant. And if viburnum opulus roseum is the only one to have a snowball flowering, the flower clusters of other varieties are just as pretty to look at!

Plantation of the snowball viburnum

Regardless of the variety chosen, the viburnum does not require a particular soil: normal, fresh and well-drained soil does the trick.

The snowball viburnum plantation in the fall is more favorable for better rooting but there is nothing to prevent it from being installed in the spring. Viburnum likes everywhere as long as it receives a minimum of sunshine. You still have to avoid being exposed to the sun: a semi-shaded area is therefore perfect for her.

Maintenance of the viburnum opulus roseum

Good news for lazy gardeners: snowball viburnum is a shrub that does not require a lot of maintenance. Simply mulch the base of your viburnum if you notice that the ground is drying out: this will allow it to keep a minimum of humidity. Towards the end of the year (November or December), don't hesitate to add compost to the base of your viburnum.

During the first five years after planting, the maintenance of the viburnum requires little work, except a more intensive watering if implanted in the spring.

For growing in pots: bring a complete organic fertilizer from late spring to summer to fertilize the plants.

Viburnum size

The size of the viburnum opulus roseum is not necessary, unless you want to give it a specific shape.

Viburnum diseases

Snowball viburnum has several enemies in a garden:

  • The black bean aphid.
  • Pulvinary scales.
  • The galéruque of viburnum.
  • Powdery mildew.