Maintain temperatures above 60 degrees Fahrenheit indoors during winter to prevent dormancy and ensure the mandevilla ...

Mandevilla flowers, with their vibrant blooms and lush foliage, love the warm weather and are a favorite among gardeners.

Your mandevilla vine will likely not bloom as well ... it would not be a good idea to apply mulch over the areas where you planted them. We use mulches to suppress weeds by preventing weed seeds ...