How to Prune shining mandevilla?
On established plants, shorten sideshoots to three or four buds from the permanent framework; remove crowded or damaged shoots. Prune in late winter or early spring.
shining mandevilla · Pruning
shining mandevilla · Mandevilla splendens
Grow in a temperate or warm greenhouse or conservatory in loam-based compost in full light but with shade from hot sun. Young plants can be grown in pots to stand outside in summer. Usually evergreen, but will drop leaves if too cold in winter
Watering: Moderate regular watering, allowing brief slight drying between soakingsSunlight: Full sunMay cause mild stomach upset if eaten, sap may cause skin irritation. Wear gloves and other protective equipment when handling]