Botany and Planting
Onion—Allium cepa, Alliaceae (Amaryillidaceae)
Bunching onion—Allium fistulosum
Table 1. Planting information for onion and alliums.
Table 2. Onion and leek cultivars.
The following tables list registered pesticides that should be integrated with other pest management methods. Additional information on integrated management methods can be requested from UF/IFAS Extension horticulture or agriculture Extension agents. A list of local UF/IFAS Extension offices is available at https://sfyl.ifas.ufl.edu/find-your-local-office/.
Table 3. Herbicides approved for managing weeds in onion, garlic, and shallot. Contact: Peter J. Dittmar, UF/IFAS Horticultural Sciences Department.
Table 4. Insecticides labeled for management of arthropod pests of garlic, leeks, and shallots. Contact: Xavier Martini, UF/IFAS North Florida Research and Education Center–Quincy.
Table 5. Insecticides registered for managing arthropod pests of onions. Contact: Xavier Martini, UF/IFAS North Florida Research and Education Center–Quincy.
Table 6. Onion fungicides ordered by disease and then FRAC group according to their mode of action. Contact: Pamela Roberts, UF/IFAS Southwest Florida Research and Education Center.
Table 7. Nonfumigant nematicides for onion and alliums.
Table 8. Fumigant nematicides for onion and alliums.