Mandevilla
Mandevilla (Mandevilla spp.)
Scientific Name: Mandevilla spp.
Common Names: Mandevilla, Dipladenia, Rocktrumpet
Native to: Tropical and subtropical regions of Central and South America
Lighting Requirements: Full sun to partial shade (full sun promotes the best flowering)
Height: 10 to 20 feet (as a climbing vine)
Width: 3 to 6 feet (depending on training and pruning)
Winter Look: It's treated as an annual or overwintered indoors as a potted plant here in Central Texas
Seasonal Interest: Large, trumpet-shaped flowers in shades of pink, red, white, or yellow; blooms from late spring to fall
Drought Tolerance: Moderate; prefers consistent moisture but tolerates brief dry periods once established
Soil Requirements: Well-drained, fertile soil with good organic content
pH Range: Slightly acidic to neutral (6.0–7.5)
Hardiness Zones: USDA Zones 9–11; grown as an annual or container plant in cooler zones
Deer Resistance: Moderate; not typically favored by deer
Attracts: Hummingbirds and butterflies
Toxicity: Mildly toxic to humans and pets if ingested; may cause skin irritation in some individuals
Potential Issues: Susceptible to spider mites, aphids, and mealybugs; prone to root rot in poorly drained soils; frost-sensitive
Notes: Mandevilla is a tropical vine prized for its vibrant, showy blooms and glossy green foliage, making it a popular choice for creating a lush, colorful display in gardens or patios. Its climbing habit makes it ideal for training on trellises, arbors, or fences, though it can also be grown as a compact shrub-like plant in containers.
In cooler climates (Central Texas), Mandevilla is often grown in pots that can be brought indoors during winter. It requires regular watering and occasional fertilization to support its vigorous growth and abundant flowering. While frost-sensitive, it thrives in hot, sunny locations and provides a long-lasting floral display that attracts pollinators like hummingbirds.
Mandevilla is relatively low-maintenance but benefits from regular pruning to maintain its shape and size. Its stunning flowers and lush foliage make it an excellent choice for tropical-themed gardens, mixed borders, or as a statement plant on patios and balconies.