How to Prune Thunberg spiraea?
Cut flowered growth back to strong young shoots below, removing up to a fifth of old stems near the base each year. Prune immediately after flowering.
Thunberg spiraea · Pruning
Thunberg spiraea · Spiraea thunbergii
Grow in moist but well-drained soil in full sun or light shade. Especially suitable for mixed borders
Watering: Moderate regular watering, allowing brief slight drying between soakingsSunlight: Full sun · Partial shadeInformation to be completed