Apocynaceae

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.

Florida Foliage House Plant Care: Adenium swazicum

R. J. Henny and J. Chen

Florida Foliage House Plant Care: Adenium obesum

R. J. Henny and J. Chen

Ochrosia elliptica: Ochrosia

Edward F. Gilman and Dennis G. Watson

Key Plant, Key Pests: Oleander (Nerium oleander)

Juanita Popenoe, Jacqueline Bourdon, Caroline R. Warwick, and Jianjun Chen

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.

Nerium oleander: Oleander

Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, Andrew K. Koeser, Deborah R. Hilbert, and Drew C. McLean

Carissa grandiflora Natal Plum, Common Carissa

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

This document provides a detailed overview of the Carissa grandiflora, commonly known as the natal plum. It describes the plant’s physical characteristics, including its evergreen nature, lustrous green leaves, white star-shaped flowers, and bright red, edible fruit. The document highlights the plant’s adaptability to various soil types and light conditions, its high drought tolerance, and its suitability for use in hedges, screens, and ground covers. Additionally, it notes the plant’s moderate growth rate, dense habit, and minimal pest issues, while cautioning against overwatering to prevent root rot. Original publication date October 1999.

Nerium oleander 'Hawai’i': 'Hawai’i' Oleander

Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, and Deborah R. Hilbert

A UF/IFAS numbered Organism ID.

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.

Tabernaemontana divaricata Crepe Jasmine, Pinwheel Flower

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

This document provides an overview of Tabernaemontana divaricata, commonly known as Crepe Jasmine or Pinwheel Flower. It describes the plant’s round, evergreen form, large glossy dark green leaves, and waxy white, ruffle-edged flowers that are especially fragrant at night. The document highlights the plant’s growth habits, preferred growing conditions, and uses in landscaping, such as mass plantings, specimen plants, and hedges. Additionally, it addresses the plant’s moderate drought tolerance, soil preferences, and minimal pest issues, making it a versatile and attractive option for various garden settings. Publication date: October, 1999. 

Carissa macrocarpa Dwarf Natal Plum

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

This document provides an overview of the dwarf natal plum (Carissa macrocarpa), an evergreen ground cover known for its attractive foliage, flowers, and fruits. It details the plant’s physical characteristics, including its small, leathery leaves, white star-shaped flowers, and bright red fruits. The document also covers the plant’s growth habits, soil and light requirements, and its suitability for various landscaping uses. Additionally, it highlights the plant’s high drought and salt tolerance, making it ideal for coastal landscapes. Potential pests and diseases are briefly mentioned, along with recommendations for planting and care. Original publication date October 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.

Nerium oleander 'Variegatum': 'Variegatum' Oleander

Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, and Deborah R. Hilbert

A UF/IFAS numbered Organism ID.

Nerium oleander 'Sister Agnes': 'Sister Agnes' Oleander

Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, and Deborah R. Hilbert

A UF/IFAS numbered Organism ID.

Nerium oleander 'Isle of Capri': 'Isle of Capri' Oleander

Edward F. Gilman, Dennis G. Watson, Ryan W. Klein, and Deborah R. Hilbert

A UF/IFAS numbered Organism ID.

Catharanthus roseus Periwinkle, Madagascar Periwinkle, Vinca

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

This document provides a comprehensive overview of Catharanthus roseus, commonly known as periwinkle or Madagascar periwinkle. It details the plant’s characteristics, including its height, spread, and growth habits, as well as its flowering and fruiting patterns. The document also covers the plant’s preferred growing conditions, such as soil type, light requirements, and drought tolerance. Additionally, it discusses the plant’s uses in landscaping and its potential invasive nature. The document highlights common pests and diseases that affect periwinkle and offers guidance on propagation methods. Original publication date October 1999.