Brunfelsia brasiliensis prefers consistently moist soil but dislikes waterlogging. Water thoroughly when the top 2-3 cm of soil feels dry.

Reduce watering slightly in winter, allowing the soil to dry out a bit more between waterings. Ensure good drainage to prevent root rot.

Prune after flowering to maintain shape and size, and to encourage bushier growth. Remove any dead, damaged, or crossing branches. Light pruning can be done anytime to shape the plant.

Avoid heavy pruning, as this can reduce flowering.

Propagate Brunfelsia brasiliensis from semi-hardwood cuttings taken in late spring or early summer. Dip cuttings in rooting hormone and plant them in a well-draining potting mix.

Maintain high humidity and warmth until roots develop, typically in 4-8 weeks.

Repot young plants annually or every two years in spring, and mature plants every 2-3 years. Choose a pot one size larger with adequate drainage holes. Use a well-draining, peat-based potting mix.

Repotting helps refresh the soil and provides more space for root growth.