In general, a viburnum plant will grow anywhere from 1 foot to more than 2 feet in a year. Of course, compact varieties grow at a slower rate than their taller counterparts. Propagating viburnums by seed is labor-intensive and not recommended.

How much does viburnum grow each year?

Growing approximately 45cm per year when young, the growth of Viburnum tinus does start to slow down as it matures, but it can reach up to 4m in height. Viburnum tinus is easy to grow – it can grow in partial or even full shade, but natural sunlight is best to allow it to flower.

How far apart should Sweet Viburnum be?

Plant sweet viburnum shrubs 5 feet from each other, as measured from center to center, to form a thick hedge. If you are going to let the shrubs grow to their maximum size, space them 6 or 7 feet apart.