Water newly planted crownvetch regularly until established. Once established, it is very drought-tolerant and requires minimal supplemental watering, especially in regions with adequate rainfall.

Allow the soil to dry out between waterings to prevent root rot.

Pruning is primarily for managing spread and aesthetics. Cut back overgrown stems in late winter or early spring before new growth begins. Remove dead or diseased branches anytime.

You can also trim to control its vigorous, spreading habit.

Crownvetch can be propagated by seed sown in spring or autumn. It also readily spreads by root cuttings, which can be taken in late winter or early spring.

Division of established clumps is another effective method for propagation.

Repotting is not typically necessary for crownvetch as it is a perennial groundcover. If grown in containers, it may eventually outgrow its pot, but it is best suited for in-ground planting where its vigorous root system can spread.