Annuals
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Publications
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Gardening with Annuals in Florida
MG319/CIR1134 by Sydney Park BrownSeptember 10, 2021A UF/IFAS numbered Fact Sheet for Homeowner audience(s). in support of UF/IFAS Extension program: Plant Systems
Capsicum annuum Ornamental Pepper
FP105/FPS105 by Edward F. Gilman, Teresa Howe, Ryan W. Klein, and Gail HansenMarch 8, 2023This document provides an overview of ornamental peppers (Capsicum annuum), detailing their growth habits, planting requirements, and uses. Ornamental peppers are annuals or perennials in warmer climates, known for their colorful fruits that range from red, purple, yellow, orange, to white. They thrive in full sun or partial shade and require a rich, evenly moist growing medium. The document also highlights their non-invasive nature, moderate growth rate, and resistance to pests. Additionally, it covers the plant’s physical characteristics, including height, spread, leaf arrangement, and fruit features. Original publication date October 1999.
Catharanthus roseus Periwinkle, Madagascar Periwinkle, Vinca
FP112/FPS112 by Edward F. Gilman, Teresa Howe, Ryan W. Klein, and Gail HansenMarch 8, 2023This 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.
Coleus x hybridus Coleus
FP136/FPS136 by Edward F. Gilman, Teresa Howe, Ryan W. Klein, and Gail HansenOctober 9, 2023This document provides an overview of the coleus plant, known for its vibrant foliage rather than its flowers. It details the plant’s growth requirements, including sunlight, water, and soil preferences, and offers tips for encouraging fuller growth through pinching and removing flower spikes. The document also covers the plant’s propagation methods, potential pests, and its various uses in landscaping and container gardening. Additionally, it highlights the plant’s characteristics, such as height, spread, leaf arrangement, and color, making it a versatile choice for gardeners. Original publication date October 1999.
Gomphrena globosa Common Globe Amaranth
FP234/FPS-234 by Edward F. Gilman, Teresa Howe, Ryan W. Klein, and Gail HansenFebruary 12, 2024This document provides an overview of the common globe amaranth (Gomphrena globosa), detailing its characteristics, planting requirements, and uses. The plant is described as an annual with globe-shaped flowers in various colors, commonly used in mass plantings, rock gardens, and containers. It thrives in full sun and moderately dry soil, showing resistance to heat and minimal pest issues. The document also outlines its growth habits, including height, spread, and leaf arrangement, and notes its availability and non-invasive status. Propagation is typically by seed, and the plant is noted for its drought tolerance and suitability for areas with limited irrigation. Original publication date October 1999.
Helianthus annuus 'Sonja' Sonja Sunflower
FP244/FPS-244 by Edward F. Gilman, Ryan W. Klein, and Gail HansenFebruary 12, 2024This document provides an overview of the ‘Sonja’ sunflower (Helianthus annuus ‘Sonja’), a short-lived annual plant known for its large, striking flowers. It details the plant’s characteristics, including its height, spread, and flower size, as well as its growing conditions and pest resistance. The document also compares ‘Sonja’ with other sunflower cultivars like ‘Valentine’, ‘Floristan’, and ‘Hallo’, highlighting their differences in appearance and susceptibility to pests. Additionally, it offers practical information on planting and maintaining sunflowers in Florida, emphasizing their seasonal growth patterns and potential uses in landscaping. Original publication date October 1999.
Helianthus debilis Beach Sunflower
FP245/FPS-245 by Edward F. Gilman, Sydney Park-Brown, Ryan W. Klein, and Gail HansenFebruary 12, 2024This document provides a comprehensive overview of the beach sunflower (Helianthus debilis), a perennial plant native to Florida. It describes the plant’s physical characteristics, including its small, sunflower-like flower heads, dark green deltoid leaves, and dense, spreading habit. The beach sunflower is noted for its high drought and salt tolerance, making it suitable for coastal areas. It is commonly used as ground cover and attracts butterflies. The document also outlines the plant’s growth requirements, such as full sun and well-drained sandy soils, and highlights its minimal pest issues and various cultivars. Original publication date October 1999.
Kalanchoe blossfeldiana Kalanchoe, Christmas Kalanchoe, Madagascar Widow's-thrill
FP309/FPS-309 by Edward F. Gilman, Ryan W. Klein, and Gail HansenFebruary 8, 2024This document provides a detailed overview of Kalanchoe blossfeldiana, commonly known as kalanchoe, Christmas kalanchoe, or Madagascar widow’s-thrill. It describes the plant’s characteristics, including its dark green, succulent leaves, and vibrant flower clusters. The document highlights its suitability for various uses such as groundcover, rock gardens, and containers, due to its tolerance of low moisture conditions. Additionally, it outlines the plant’s growth requirements, propagation methods, and potential issues, making it a comprehensive guide for gardeners and horticulturists interested in cultivating this ornamental perennial. Original publication date October 1999.
Lavandula angustifolia Lavender, English Lavender
FP337/FPS-337 by Edward F. Gilman, Ryan W. Klein, and Gail HansenNovember 6, 2023This document provides an overview of Lavandula angustifolia, commonly known as English lavender. It describes the plant’s characteristics, including its gray foliage, purple flowers, and growth habits. The plant thrives in USDA hardiness zones 5B through 8 and prefers sunny locations with dry, somewhat infertile soil. The document highlights the plant’s uses in landscaping and its significance in the production of lavender oil for perfumes and cosmetics. Additionally, it mentions various cultivars and their specific features, as well as care tips for optimal growth and maintenance. Original publication date October 1999.
Nematode Management for Bedding Plants
IN470/ENY-052 by William T. CrowJune 9, 2017
Pentas lanceolata Pentas, Egyptian Starcluster
FP465/FPS465 by Edward F. Gilman, Suzanne Shuffit, Ryan W. Klein, and Gail HansenJanuary 16, 2024This document provides a detailed overview of Pentas lanceolata, commonly known as pentas or Egyptian starcluster. It describes the plant’s characteristics, including its height, spread, growth rate, and flowering habits. The document highlights the plant’s adaptability to various soil types and its moderate drought tolerance. It also notes the plant’s popularity with butterflies and hummingbirds, and its use in containers, hanging baskets, and as an accent in gardens. Additionally, it covers planting guidelines, maintenance tips, and propagation methods, emphasizing the plant’s suitability for hardiness zones 8B through 11. Original publication date October 1999.
Senecio cineraria Dusty Miller
FP544/FPS544 by Edward F. Gilman, Teresa Howe, Ryan W. Klein, and Gail HansenJanuary 23, 2024A UF/IFAS numbered Organism ID.
Viola x wittrockiana Pansy
FP609/FPS-609 by Edward F. Gilman and Teresa HoweOctober 26, 2015
Zinnia spp. Zinnia
FP623/FPS-623 by Edward F. Gilman, Teresa Howe, Ryan W. Klein, and Gail HansenFebruary 6, 2024A UF/IFAS numbered Organism ID.
Related IFAS Blog Posts
Proper Planting: Annuals and Perennials
Anne YasalonisNovember 1st, 2023Proper planting ensures a good start to a healthy landscape. The following guidelines for installing plants apply for sandy, well-drained soils. Annuals and Perennials Annuals and perennials are typically small (4”) to one gallon sized pots and last at least one season. Examine plants prior to purchasing. Check for signs of disease or insects. Check […]
UF/IFAS Extension offers Gardening with Native Plants in Hybrid Format
Tia SilvasyMarch 10th, 2023Florida native plants are a smart choice for your landscape. They are well-suited for survival in Florida and provide a number of ecological benefits to our environment. Join UF/IFAS Extension Hillsborough County on Thursday April 13th from 10 to 11:30am to get an introduction to selecting and designing with native plants. This class will be […]
October 2022 Home Show Includes Seminar on What to Plant in Fall
llw5479October 19th, 2022This year’s Home Show, sponsored by the Building Industry Association of Okaloosa & Walton Counties (BIA), will include a seminar on what to do and not to do during the fall in our North Florida lawns, landscapes and gardens. The Home Show will be held Friday, October 21 and Saturday, October 22 at the Emerald […]
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