How to prune bridal wreath spirea

Immediately after flowering in late spring (typically May–early June). Cut up to one-third of the oldest, thickest canes flush with the ground using loppers. Lightly trim branch tips that touch the ground and remove crossing wood. Maintain the natural arching, vase-shaped form — avoid shearing into a ball.

Annually immediately after bloom; rejuvenation every 4–5 years. Bridal Wreath Spirea blooms exclusively on old wood in spring, so timing is non-negotiable: prune only right after flowers fade, never in summer, fall, or winter. Remove up to one-third of the oldest canes at ground level to open the arching form and stimulate vigorous new growth. Pruning at the wrong time eliminates next year's entire flower display.

Cut up to one-third of the oldest, thickest canes flush with the ground using loppers. Lightly trim branch tips that touch the ground and remove crossing wood. Maintain the natural arching, vase-shaped form — avoid shearing into a ball.