Trimec weed killer, manufactured by PBI/Gordon Corp., can be purchased at department and discount stores with garden centers (such as Sears) and at retailers of garden and farm equipment. Trimec weed killer can also be purchased at many retailers' online stores.
About the Author
Kelli Bingham is a freelance writer with nearly a decade of experience in the field. Her works have been published in publications including eHow. She is currently pursuing a degree in business.