We can all play a role in protecting Florida's natural resources.

Rudbeckia hirta Blackeyed Susan, Gloriosa Daisy

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

Release Date: 1/17/2024

Reviewed At: 11/20/2023

DOI: 10.32473/edis-fp512-1999

Agriculture

Abstract

This document provides an overview of the Blackeyed Susan (Rudbeckia hirta), detailing its characteristics, planting requirements, and care. It describes the plant’s appearance, including its height, spread, and flower colors, and offers guidance on optimal growing conditions such as soil type, light requirements, and drought tolerance. The document also addresses potential pests and diseases that may affect the plant, along with propagation methods. Additionally, it highlights the plant’s uses in landscaping and its availability in various cultivars. Original publication date October 1999.

About this Publication

This document is FPS512, one of a series of the Department of Environmental Horticulture, UF/IFAS Extension. Original publication date October 1999. Revised October 2023. Visit the EDIS website at https://edis.ifas.ufl.edu for the currently supported version of this publication.

About the Authors

Edward F. Gilman, professor emeritus, Department of Environmental Horticulture; Teresa Howe, former coordinator, research programs and services, UF/IFAS Gulf Coast Research and Education Center; Ryan W. Klein, assistant professor, arboriculture, and Gail Hansen, professor, sustainable landscape design, Department of Environmental Horticulture; UF/IFAS Extension, Gainesville, FL 32611.