How to prune spiraea 'little princess'

Early spring before new growth emerges. Cut stems back by one-half to two-thirds with clean pruners, working to maintain the mounded outline. Every three to four years, cut the entire plant to 15 cm from the ground for full renewal.

Annually (light); renewal every 3–4 years. Yes — Little Princess is a compact summer-flowering japonica spiraea that benefits from annual spring pruning to prevent woody, congested growth. Cut stems back by one-half to two-thirds in early spring. Its naturally tidy mound shape means heavy shaping is rarely needed, but renewal pruning every few years keeps it healthy and floriferous.

Cut stems back by one-half to two-thirds with clean pruners, working to maintain the mounded outline. Every three to four years, cut the entire plant to 15 cm from the ground for full renewal.