Q&A – Invasive forest weeds in Eastern Washington

(Answers from Dale Whaley, WSU Extension)

Q). Is there a preferred herbicide for mullein?

A) Here are 5 recommendations for Mullein

Picloram (Tordon, Tordon 22K, Tordon 101, Grazon) at 2pts/acre (add 2,4-D (Weedar 64, Amine 4) at 4pts/acre if flowering)
2,4-D + dicamba (Veteran 720, Rangestar, WeedMaster) at 4pts/acre
Telar @ 1.33 oz/acre
Aminopyralid (Milestone, Milestone VM) at 7oz/acre (add 2,4-D (Weedar 64, Amine 4) at 4pts/acre if flowering)

Q). How effective are cattle/grazing at reducing invasive weeds?

A). I have attached one document and two websites below that talk about grazing.