Hydrangea macrophylla pink-red-white - Hardy plantWant a whimsical, colourful hedge? We love this hydrangea hedge! Plant three of these Hortensia macrophylla plants in nursery pots beside each other. They will create a hydrangea hedge. They begin blooming in spring. Thats when pink, red and white flowers emerge. The plant is a floral stunner for your garden! For the best results, plant six hydrangeas every three metres. Hydrangeas can be planted in flower pots too. The hedge should be trimmed after