Water thoroughly when the top 2-3 cm of soil feels dry. Reduce watering in winter to prevent root rot.

Ensure good drainage to avoid waterlogged conditions, as Mandevilla alexicaca prefers consistently moist but not soggy soil, especially during its active growing season.

Prune in late winter or early spring before new growth begins. Remove dead, damaged, or crossing stems to maintain shape and encourage vigorous flowering.

Light pruning can be done after flowering to manage size and shape, but heavy pruning is best left for the dormant period.

Propagate from semi-hardwood cuttings taken in summer. Use a rooting hormone and plant in a well-draining potting mix. Maintain high humidity and warmth (around 20-24°C) until roots form, which typically takes 4-8 weeks.

This method allows for the easy propagation of new plants.

Repot every 2-3 years in spring, or when the plant becomes root-bound. Choose a pot that is slightly larger than the current one with ample drainage holes. Use a well-draining, peat-based potting mix.

Repotting revitalizes the plant and provides fresh nutrients for growth.