Controlling Invasive Weeds in the Fall

Fall rain and cooler temperatures provide good conditions for extending the herbicide application season. The following species and many others can be effectively controlled in the fall. Follow the links for control recommendations for each species.

Some species  are not effectively controlled in fall. For example: Hawkweeds (Hieracium spp.), and annual weeds such as pigweeds (Amaranthus spp.), buffalobur (Solanum rostratum), and kochia (Kochia scoparia).

Published September, 2015; revised October, 2018.