Mandevilla Plant Over Winter. 29102013 Depending on the temperature and the light level your mandevillas will either continue to grow slowly through the winter or they will go dormant the latter of which should only happen if the temperature in the greenhouse is less than 60 degrees Fahrenheit. Were Available Live 247 to Help.
As the nights begin to cool off and the cold weather approaches this plant will naturally slow down. Move your Mandevilla plant into a heated greenhouse. Save Big at Agoda.
Mandevillas are tender tropical vines that produce fragrant trumpet-shaped flowers in shades of white red and pink.
Youll want to cut it back to make it easy to bring in and easy to live with over the winter months. Allow the Mandevilla plant to go dormant in a dark cool space. Mandevilla is very tolerant of aggressive pruning. 21092017 Begin to prepare your mandevilla for overwintering when daytime temperatures drop into the 60s.