Answer: Mandevilla is definitely a tropical plant outdoors, but a lovely greenhouse or houseplant in colder winter areas. It isn't necessary to cut the plants completely back, just enough to make them fit wherever you're going to keep them indoors. Be sure to make the change from outside to inside a gradual one, and start by bringing them indoors only at night, allowing them to remain indoors for longer and longer periods of time. Within a week to 10 days, your plants should be acclimated to an indoor environment. Mandevilla can grow to ten feet, so you need lots of room indoors. It should be happy with temperatures between 65F - 70F indoors, bright light but not direct sunlight, ample water spring and summer, little water in the winter, lots of humidity - so mist the leaves every few days - especially when flower buds form.
Q&A Library Searching Tips