Compositae (Asteraceae)

Biology and Management of Thickhead (Crassocephalum crepidioides) in Ornamental Crop Production

Allison Bechtloff, Shawn Steed, Chris Marble, and Nathan Boyd

Cultural Guidelines for Commercial Production of Purple Passion Plant (Gynura aurantiaca)

Jianjun Chen and Richard J. Henny

Gaillardia pulchella Blanket Flower, Gaillardia, Firewheel

Edward F. Gilman, Sydney Park-Brown, Ryan W. Klein, and Gail Hansen

This document provides a detailed overview of Gaillardia pulchella, commonly known as blanket flower or firewheel. It describes the plant’s physical characteristics, including its height, spread, and flower colors, as well as its growth habits and environmental preferences. The document highlights the plant’s high drought tolerance, suitability for various soil types, and its attractiveness to butterflies. It also covers planting guidelines, potential uses in landscaping, and propagation methods. Additionally, it mentions the plant’s resistance to pests and diseases, making it a low-maintenance option for gardeners.  Original publication date September 1999. 

Sphagneticola trilobata Wedelia

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

This publication provides an overview of wedelia, a perennial ground cover known for its glossy, dark green leaves and bright yellow, daisy-like flowers. This plant thrives in hot, dry conditions and is suitable for USDA hardiness zones 8B through 11. Despite its attractive appearance and rapid growth, wedelia is classified as a Category 2 invasive species in Florida. The document discusses its growth habits, maintenance requirements, and potential uses in landscaping, while also emphasizing the importance of controlling its spread to prevent ecological damage. First published 1999. 

Cosmos bipinnatus 'Sonata White' Sonata White Mexican Aster

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

This document provides an overview of the sensation-type cosmos, specifically the Cosmos bipinnatus ‘Sonata White’. It details the plant’s characteristics, including its height, spread, and flower colors. The document also covers the plant’s growth requirements, such as full sun exposure and soil preferences, and discusses its moderate drought tolerance and pest resistance. Additionally, it highlights the plant’s uses in landscaping and its propagation methods, primarily through seeds. The document concludes with information on potential pests and diseases that may affect the plant.  Original publication date October 1999.

Gaillardia pulchella 'Red Plume' Red Plume Gaillardia, Red Plume Blanket Flower

Edward F. Gilman, Sydney Park-Brown, Ryan W. Klein, and Gail Hansen

This document provides an overview of the ‘Red Plume’ gaillardia, also known as the ‘Red Plume’ blanket flower. It details the plant’s characteristics, including its height, flower color, and foliage. The document highlights its adaptability to various soil types and its high drought and salt tolerance. It also mentions the plant’s uses in landscaping, such as in containers, ground covers, and attracting butterflies. Additionally, it provides information on planting months for different USDA hardiness zones and notes that the plant is generally available within its hardiness range. Potential issues like sweet potato whitefly are also briefly discussed. Original publication date September 1999.