Zinnia: References & Edit History

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Article History

Type Description Contributor Date
Article title updated for style. Nov 14, 2026
Modified link of Web site: University of Minnesota Extension - Zinnia. Sep 05, 2026
Add new Web site: International journal of Advanced Biological and Biomedical Research - Effects of different growing media on growth and flowering of zinnia (zinnia elegans) (PDF). Apr 30, 2025
Add new Web site: University of Massachusetts Amherst - Center for Agriculture, Food, and the Environment - Zinnias (PDF). Mar 05, 2025
Add new Web site: National Center for Biotechnology Information - PubMed Central - Chemical Profile and Antioxidant Activity of Zinnia elegans Jacq. Fractions. Jan 25, 2025
Add new Web site: Utah State University - Yard and Garden Extension - Zinnia Cut Flower Production in Utah. Dec 02, 2024
Add new Web site: Clemson Cooperative Extension - Home and Garden Information Center - Zinnia insect pests and diseases. Oct 10, 2024
Add new Web site: PennState Extension - Zinnias for the Home Garden. Jun 05, 2024
Add new Web site: University of Wisconsin-Madison - Wisconsin Horticulture Division of Extension - Zinnias. Oct 25, 2023
Add new Web site: University of Minnesota Extension - Zinnia. Aug 01, 2023
Add new Web site: Royal Horticultural Society - Zinnia. Jun 07, 2023
Add new Web site: North Carolina Extension Gardener Plant Toolbox - Zinnia. Feb 27, 2023
Add new Web site: The Spruce - How to Grow Zinnias. Sep 13, 2021
Add new Web site: Chicago Botanic Garden - Zinnias: The Hardest-Working Flower in the Summer Garden. May 30, 2019
Species count changed from "about 11 species" to "about 22 species." Apr 25, 2012
Added new Web site: How Stuff Works - Science - Zinnia. Jan 29, 2009
Added new Web site: Backyard Nature - Zinnia Flowers. Apr 21, 2008
Article revised and updated. Feb 18, 2008
Article added to new online database. Jul 20, 1998
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