Certifying hay as “weed free” can offer other markets for your hay. But be sure to take necessary actions long before cutting or it will be too late. Hay Archived Content. Related Stories.

Certified hay and straw can contain weeds not found on the noxious weed/undesirable plant list, DeFord said. To become a certified noxious weed seed-free producer, growers must pay a $500 lifetime ...

As Flathead County Extension Agent Pat McGlynn combed through Ken Smith’s hayfield last week, she was on the lookout for the usual suspects — ox-eye daisies, hound’s tongue, knapweed and ...

“Certified weed-free hay is required on many state and federal lands in Idaho,” Rick Waitley, the association’s executive director, said in a statement.

CHEYENNE – The Wyoming Weed and Pest Council, in partnership with the North American Invasive Species Management Association, has announced a new twine color for NAISMA certified weed-free hay.