Mandevilla

Mandevilla is a genus of tropical and subtropical flowering vines belonging to the family Apocynaceae. Native to the Southwestern United States, Mexico, Central America, the West Indies, and South America, this plant is cherished for its stunning, often fragrant, trumpet-shaped flowers that bloom profusely from late spring to fall. The flowers come in a vibrant palette of colors, including shades of red, white, pink, and yellow, often with a contrasting yellow throat. Mandevilla is frequently confused with the closely related Dipladenia, which is also sometimes called rock trumpet. However, Mandevilla is a much larger, vining plant, while Dipladenia is a smaller, more shrub-like plant with smaller leaves. The key characteristic of Mandevilla is its vigorous, twining growth habit, which makes it an excellent choice for covering trellises, arbors, and fences. The vines can grow from 1 to 20 feet in length, with a spread of 1 to 15 feet. The leaves are typically oval-shaped, glossy, and dark green, with a leathery texture, and can be 2 to 8 inches long. While the traditional varieties are climbers, newer cultivars have been bred to have a more compact, bushy habit, making them suitable for containers and hanging baskets. These plants thrive in full to partial sun and well-drained soil, and they attract pollinators like hummingbirds, bees, and butterflies. Mandevilla is primarily grown as an ornamental plant, valued for its lush foliage and spectacular floral displays that can bring a tropical feel to any garden or patio. In frost-free climates (USDA zones 8-11), it can be grown as a perennial, while in colder regions, it is typically treated as an annual or brought indoors to overwinter as a houseplant. It's important to note that all parts of the Mandevilla plant are mildly toxic to humans and pets if ingested, and the milky sap exuded from cut stems can cause skin irritation. Despite its toxicity, it is considered deer-resistant.