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Publications

Allamanda violacea Purple Allamanda

Edward F. Gilman, Ryan W. Klein, and Gail Hansen

This document provides a detailed overview of the purple allamanda (Allamanda violacea), an evergreen vine or climbing shrub known for its two-toned reddish-purple to pink blooms. It describes the plant’s physical characteristics, growth habits, and uses in landscaping, such as covering arbors, walls, or as a hanging basket. The document also outlines the plant’s care requirements, including its preference for full sun, moderate drought tolerance, and need for nematode-free soil. Additionally, it highlights the plant’s non-native status, potential planting zones, and propagation methods. The purple allamanda is noted for its ornamental value and minimal pest issues, though all parts of the plant are poisonous. Original publication date September 1999.

Allamanda bolivinensis Bolivian Allamanda

Edward F. Gilman, Ryan W. Klein, and Gail Hansen

This document provides a detailed overview of the Bolivian Allamanda (Allamanda bolivinensis), an evergreen vine known for its vivid white, trumpet-shaped flowers with deep yellow throats. It describes the plant’s characteristics, including its rapid growth rate, spreading habit, and adaptability to various soil types. The document highlights the plant’s uses in landscaping, such as covering trellises, arbors, and retaining walls, and its suitability for hanging baskets. It also notes the plant’s high drought tolerance and minimal pest issues, making it an attractive option for gardeners in frost-free locations. Additionally, the document discusses the plant’s maintenance requirements, including the need for full sun and regular pinching to manage its growth. Original publication date October 1999.

Safe Salinity Levels for Irrigation of Two Ornamental Crops: Hibiscus and Mandevilla

Young Gu Her and E. Vanessa Vassilaros

This publication introduces the findings from a recent study conducted to find safer levels of water salinity in the irrigation of two economically important foliage crops: Hibiscus rosa-sinensis and Mandevilla splendens. Written by Young Gu Her and E. Vanessa Vassilaros, and published by the UF/IFAS Department of Agricultural and Biological Engineering, June 2022.

thumbnail for publication: Pentalinon luteum Wild Allamanda, Hammock Viper's-tail

Pentalinon luteum Wild Allamanda, Hammock Viper's-tail

Edward F. Gilman, Ryan W. Klein, and Gail Hansen

The publication provides an overview of the wild allamanda, a vine-like shrub native to Florida. This plant, known for its yellow flowers that bloom year-round, can grow as a sprawling vine over nearby structures. It thrives in USDA hardiness zones 10B through 11 and is well-suited for sandy, coastal landscapes due to its high drought and moderate salt tolerance. The document also discusses the plant’s growth habits, maintenance requirements, and its potential use in landscaping as a hedge or on trellises. First published Oct. 1999.

Mandevilla splendens 'Alice Dupont' Alice Dupont Allamanda

Edward F. Gilman, Ryan W. Klein, and Gail Hansen

This document provides an overview of the ‘Alice Dupont’ allamanda, an attractive evergreen vine known for its deep pink, funnelform blooms and dark green leaves. It details the plant’s characteristics, including its moderate growth rate, dense habit, and year-round flowering in USDA hardiness zones 10 and 11. The document also covers its planting requirements, such as full sun and well-drained soil, and highlights its uses in hanging baskets and cascading down walls. Additionally, it notes the plant’s moderate drought tolerance, poor soil salt tolerance, and lack of serious pest issues. Original publication date October 1999.