White Dipladenia is a tropical woody vine native to Bolivia and Ecuador, prized for its stunning white funnel-shaped flowers with cheerful yellow throats that bloom throughout summer. Hardy in zones 10-11, this plant grows as a sprawling shrub or twining vine, reaching anywhere from 3 feet tall in containers to 12 feet when given vertical support. The showy blooms, each measuring 2 to 3 inches across, have five pointed lobes that open to reveal their sunny centers against glossy, elliptic foliage. Most gardeners grow it as an annual in containers, bringing it indoors before frost, making it a reliable tropical accent that rewards consistent care.
Partial Sun
Moderate
10-11
120in H x 72in W
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High
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The pure white flowers with golden throats are genuinely stunning, appearing prolifically throughout the summer months with minimal effort once established. In a single season, container-grown plants produce three to five feet of new growth, quickly filling a trellis or spilling elegantly over a pot. Its glossy foliage remains attractive even between blooms, and the entire plant adapts beautifully to container culture, making it accessible even to gardeners in cold climates who can overwinter it indoors.
White Dipladenia functions primarily as an ornamental focal point in container gardens, patios, and sunrooms. Gardeners use it to adorn trellises, arbors, and hanging baskets, where its bright white blooms and twining habit create dramatic vertical interest. In regions with frost, it's grown as a seasonal annual, often placed in conservatories or bright indoor spaces during winter months to extend its display season.
No timeline data available yet for this variety.
After the last frost date in spring, move overwintered plants outdoors gradually, hardening them off over 7-10 days by increasing their exposure to outdoor light and air. Plant in moist, well-drained soil in full sun to partial shade.
Prune plant stems back before moving them outdoors in spring, cutting them to encourage bushier growth and more prolific flowering. During the growing season, pinching back new growth periodically will enhance branching and flower production.
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“Mandevilla boliviensis hails from the mountainous regions of Bolivia and Ecuador, where it evolved as a twining vine in tropical and subtropical forest margins. Its journey to cultivation centers around its striking white flowers, which caught the attention of plant collectors and botanists seeking showy ornamental vines for greenhouse and conservatory cultivation. The plant traveled from South America into European and North American horticulture during the 19th century, eventually becoming a staple of container gardening for those seeking tropical elegance in cooler climates.”