Mandevilla Plant Temperature Range. This tropical plant wont tolerate temperatures below 45 to 50 degrees F. Gardeners must ensure they check the plant for pests before bringing it indoors.
This tropical plant wont tolerate temperatures below 45 to 50 degrees F. 10 C you can bring your mandevilla plant indoors for the winter. Once temperatures go below 50 F.
This tropical plant wont tolerate temperatures below 45 to 50 degrees F.
When growing directly in the ground they will thrive in direct sunlight. Gardeners must ensure they check the plant for pests before bringing it indoors. The Giant group grows best under warm conditions so they grow more quickly in summer and more slowly in winter. Temperatures between 50 and 70 degrees with 3 to 4 hours of light should keep them fine through the winter months.