Subcategories - Plants, Botany, Horticulture
- Aleksandr Ivanovich Oparin
- Alexander von Humboldt
- André Le Nôtre
- Asa Gray
- Beatrix Jones Farrand
- Bourlag Receives the Nobel Prize for Work on World Hunger
- Calvin Wins the Nobel Prize for His Work on Photosynthesis
- Darwin Publishes On the Origin of Species
- Diquat Herbicide Is Developed for Weed Control
- Engelbert Kämpfer
- Environmental Protection Agency Bans Pesticide Chlorpyrifos
- Ferdinand Julius Cohn
- The First Modern Herbicide Is Introduced
- Genetically Altered Bacteria Are Released into the Environment
- George Washington Carver
- Gibbons Publishes Stalking the Wild Asparagus
- Gregor Johann Mendel
- Lancelot Brown
- Linnaeus
- Luther Burbank
- Marcello Malpighi
- Morel Multiplies Plants In Vitro, Revolutionizing Agriculture
- Niger-Congo Peoples Spread Agriculture in Africa
- Nikolai Ivanovich Vavilov
- Nilo-Saharan Farmers Spread Cultivation and Herding
- Omotics Advance Farming Practices in Horn of Africa
- Theophrastus Initiates the Study of Botany
- Twelve Nations Sign the Antarctic Treaty
- William Bligh
- Willstätter Discovers the Composition of Chlorophyll
