Some people claim that spring is the best time to prune spirea. Others say during summer. Which is true? When to prune spirea exactly?
Spirea is a type of shrub that comes in different variants. There are spirea shrubs that bloom flowers during spring. The other varieties blossom every early summer. That fact basically suggests the different times of pruning the plant depending on the type.
Some of the popular spireas are spiraea arguta, billardii, bumalda, goldflame, golden princess, japonica anthony waterer, japonica shirobana, little princes, snowmound, and thunbergii. Many of these produce flowers right after pruning. The flowers of Japanese (japonica spirea) ones occur after trimming during late winter.