Is there a herbicide that I can use on large patch of sunflowers to kill the grasses that would not hurt the sunflowers. Thanks!
Extension
Message
From:
Sandra Mason
State Master Gardener Coordinator
Champaign/Ford/Iroquois/Vermilion Unit slmason@illinois.edu
HI Cathy, your best bet would be Poast if the grasses are not too tall. here is a sample label. http://www.greenbook.net/Docs/Label/L26409.pdf be sure to read and follow all label directions. Sandy