White dogwood

Viburnum opulus var. sargentii

The growth characteristics, propagation methods, cultivation methods, garden uses, major pests and diseases, and control methods of Viburnum opulus are explained below.

Growth CharacteristicsViburnum opulus is a deciduous shrub that grows to a height of approximately 3 to 4 meters. Its large, showy, broad, and round flowers bloom in the summer, and its red fruits ripen in the autumn. While this tree prefers sunlight, it also thrives in partial shade. It prefers well-drained and fertile soil.

Propagation MethodsViburnum opulus is primarily propagated by seeds or cuttings. Seeds should be collected in the autumn, dried, and sown the following spring. For cuttings, new branches are cut during the summer. It is important to provide sufficient water and protection for cuttings.

Cultivation MethodsWhen cultivating, it is recommended to plant in well-drained soil and place the plant in a location where it can receive ample sunlight. After planting, water regularly. Since growth tends to occur in spring and autumn, fertilizing during these periods is beneficial. During winter, it must be protected from excessive cold.

Uses in the GardenThe Japanese snowball (Opulus) is a very popular ornamental plant. It is frequently planted in gardens for decoration, particularly due to its showy flowers and fruits. It can also be used as a hedge and is effective in attracting insects such as bees and butterflies.

Important Pests and Diseases and Control Methods
While the Japanese snowball generally grows healthily, pests and diseases can occur. Representative diseases include gray mold and sooty mold, while aphids are a common pest. To prevent these issues, it is important to create a well-ventilated environment. If pests or diseases occur, it is crucial to control them using appropriate pesticides. For organic farming, using natural insecticides can also be considered.

We hope you make good use of this information to cultivate a healthy Japanese snowball (Opulus).

Plant Type
Plant Family	Annual wage excess
Height	2.4~3m
Spread	3~4.5m
Colors	white
Bloom Period	May to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

White dogwood 'compactum'
Viburnum opulus 'Compactum'

Maple-leaved white dogwood
Viburnum acerifolium