snowball viburnum scented - 'Viburnum X Carlcephalum'
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The Viburnum × carlcephalum (often called carlcephalum viburnum or fragrant snowball viburnum) is a deciduous shrub prized for its spectacular pure white spherical inflorescences and its strong, spicy, and sweet fragrance. It is a hybrid resulting from the cross between Viburnum carlesii and Viburnum macrocephalum.
Here is an overview of its characteristics and care:
Identification sheet
- Flowering: Spring (from late April to May). The pink buds open into large clusters 8 to 15 cm in diameter.
- Size: 1.75 m to 3 m in height with an equivalent width (rounded bushy habit).
- Foliage: Dark green in spring, turning purplish red in autumn.
- Hardiness: Very hardy and cold-resistant, ideal for the Quebec climate (Zones 5).
Growing tips
- Exposure: Full sun or partial shade. Good exposure ensures optimal flowering.
- Soil: Rich, fresh, well-drained, and slightly acidic to neutral.
- Pruning: If necessary, prune lightly just after flowering to maintain a nice shape and encourage future shoots.
Hardiness Zones
Growth habit (tree shape)
Mature height
7 feet
Mature width
5 feet
Flowering period
Number of years for production
5 years
