Buy Exochorda serratifolia 'Snow White' (Pearl Bush) in the UK
Viburnum Snowball Tree Potted Hardy Garden Shrub with Large White Blooms and is Easy to Grow, 1 x Viburnum Opulus 'Roseum' Plant in 3.6L Pot by Thompson and Morgan : Amazon.co.uk: Garden
10 Recommended Shrubs With White Flowers
Exochorda x macrantha 'The Bride' (Pearl Bush) | BBC Gardeners World Magazine
Model white flowering bushes
25 Best White Flowering Shrubs! | White flowering shrubs, Mock orange, Flowering bushes
Bushy Hydrangea arborescens ANNABELLE White Shade Loving Shrub | The Tree Garden Kent