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Mandevilla splendens

Apocynaceae
Evergreen, Vines

MANDEVILLA

Grown for showy flowers, the genus Mandevilla includes plants formerly called Dipladenia. Blossoms feature five broad lobes that flare out from a tubular throat; except as noted, they are unscented. Plants climb by twining. They survive outdoors only in the mildest regions. In colder areas, treat as annuals, or grow them in containers and move them indoors or to a greenhouse for the winter. Need heat to bloom; in coastal areas, train against a protected south- or west-facing wall, preferably with additional reflected heat from paving. Watch for spider mites. Growth may need thinning from time to time.

Mandevilla splendens

From Brazil. Compact, shrubby plant to 2 ft. tall and 3 ft. wide; eventually starts to twine (to 15–20 ft. tall with support), but you can keep it bushy by pinching climbing shoots. Deep green leaves are 4–8 in. long, tinged with bronze when new. Flowers are 3–4 in. wide, rose pink with yellow throats; color grows paler as blossoms age.

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