Mandevilla

Mandevilla, often referring to species like Mandevilla sanderi (Brazilian Jasmine) or its numerous hybrids and cultivars, is a dazzling and highly popular evergreen perennial vine, celebrated for its spectacular, trumpet-shaped flowers. This exquisite genus is native to the tropical and subtropical regions of Central and South America, particularly Brazil, where it thrives in warm, humid climates, often scrambling over trees and shrubs in rainforest edges. While it can be grown in Phoenix, Arizona, its success in the arid heat requires thoughtful placement (morning sun, afternoon shade), consistent moisture, and protection from winter frosts. As a perennial in frost-free zones (typically USDA Zones 9-11), a Mandevilla vine can persist for many years, often 10-20 years or more, forming a beautiful, flowering display. In colder climates, it is widely grown as an annual or overwintered indoors.

Its most distinctive characteristics include its vining or sprawling growth habit, making it ideal for training up trellises, arbors, pergolas, or growing in hanging baskets where its stems can gracefully trail. The leaves are glossy, dark green, and oval to elliptical, providing a lush backdrop to its vibrant blooms. The true spectacle of Mandevilla is its large, showy, trumpet-shaped flowers, which typically have five overlapping petals. These stunning blooms come in an array of radiant colors, including bright pink, vivid red, pure white, and various shades of yellow, often with a contrasting throat. Flowering is incredibly prolific, occurring almost continuously from spring through fall in warm climates, and all summer long where it is grown as an annual. While it produces inconspicuous seed pods, its primary ornamental value is its breathtaking floral display. Mandevilla generally prefers well-drained soil and consistent moisture during its growing season. Its vigorous growth (especially in ideal conditions), exotic appearance, and abundant, long-lasting flowers make it an excellent choice for adding a tropical flair to patios, courtyards, entryways, and containers. In Phoenix, Arizona, careful siting and consistent watering are key to ensuring it remains a vibrant and cherished part of the garden.