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Are Mandevillas Annuals or Perennials?
Are Mandevillas Annuals or Perennials?. Mandevilla is a woody vine, native to Central and South America. It is a tender perennial, hardy in USDA Zones 9 through 11 and with winter protection in Zone 8. It will not withstand prolonged freezing temperatures but can be overwintered indoors.
Mandevilla is a woody vine, native to Central and South America. It is a tender perennial, hardy in USDA Zones 9 through 11 and with winter protection in Zone 8. It will not withstand prolonged freezing temperatures but can be overwintered indoors.
In USDA Zone 8, where winter temperature minimums fall between 10 and 15 degrees Fahrenheit, mandevilla will often die back to the ground but will regrow in spring from the roots. Mulching will insulate roots and encourage survival.
To overwinter a mandevilla vine, cut back the vine and foliage to a manageable size and pot up plants grown in-ground. Attach remaining vine and foliage to small supports or a trellis and bring indoors. Place in a sunny windowsill and water when the top of the soil feels dry.
By far the most popular perennial mandevilla cultivar is the hybrid Alice du Pont. Noted for its bright pink flowers, it is probably a cross between two species, Mandevilla amabilis and the Brazilian native, Mandevilla splendens.
