Water Corylopsis coreana regularly, especially during dry spells, to maintain consistent soil moisture. Avoid waterlogged conditions which can lead to root rot.

Allow the top few centimeters of soil to dry slightly between waterings once established. Reduce watering in winter.

Prune Corylopsis coreana immediately after flowering to maintain shape and encourage bushier growth. Remove any dead, damaged, or crossing branches. Light shaping can be done to enhance its natural form.

Avoid heavy pruning, as it can reduce flowering the following year.

Propagate Corylopsis coreana by semi-hardwood cuttings taken in mid-summer. Select healthy shoots, dip the cut ends in rooting hormone, and plant in a well-draining propagation mix.

Maintain high humidity and consistent moisture until roots form. Alternatively, sow stratified seeds in autumn.

Repot young Corylopsis coreana every 2-3 years in early spring before new growth begins. Use a good quality, well-draining potting mix. Choose a pot only slightly larger than the current one.

Ensure good drainage holes to prevent water accumulation. Mature plants may not require frequent repotting.