It's treated as an annual in much of the country, but it is a perennial in USDA Hardiness Zones 9 to 11. In cold climates, you can overwinter it indoors. Many varieties of mandevilla are climbing ...
An annual in northern climates, mandevilla is actually a tender tropical perennial vine that will last indefinitely if temperatures remain above 50 degrees F. Mandevilla is often sold as a patio ...