Name: Marilynne Stephenson Thunder Bay, Ontario, Canada (Zone 3a) LOVE to laugh :-)
Mine is coming from a farmer I know .. and, is herbicide free ..
I would hope your vendor would be forthcoming with letting you know if it is treated with a herbicide ..
Our soil got a BLAST of NON rotted horse manure a couple of years ago .. sheesh .. the weeds are UNREAL !!!!