Water Cytisus villosus regularly, especially during dry periods, ensuring the soil drains well between waterings. Avoid waterlogged conditions, which can lead to root rot.

Reduce watering in winter when the plant is less active. Aim for consistently moist but not soggy soil.

Prune Cytisus villosus after flowering to maintain its shape and encourage bushier growth. Remove dead, diseased, or crossing branches.

Light pruning can be done in early spring before new growth begins to remove any winter damage. Avoid heavy pruning into old wood.

Propagate Cytisus villosus from semi-hardwood cuttings taken in summer. Root cuttings in a well-draining medium, keeping them moist and warm. Alternatively, sow seeds in spring, but germination can be erratic.

Softwood cuttings can also be attempted in late spring.

Repot young Cytisus villosus plants every 1-2 years in spring. Choose a pot only slightly larger than the current one, with good drainage. Use a well-draining, slightly acidic to neutral potting mix.

Mature plants are best left undisturbed and can be top-dressed annually.