New 0, amended 6, repealed 0. New 0, amended 0, repealed 0. New 0, amended 6, repealed 0. Thirty-one days after filing. It propagates by seed, rhizomes, bulbs, and nutlets.
Soil containing nutlets is the primary mode of spread in cultivated land.
It is highly invasive and its unchecked spread would entail great economic loss to the agricultural industries of the state. Yellow nutsedge infests a dredging spoil site at the Port of Kalama in Kalama, Washington and a plant nursery site at the Port of Olympia in Tumwater, Washington . RCW 17.10.210 provides that either the director or the county noxious weed control board or a weed district may issue an order for quarantine and restriction or denial of access to land determined to be so seriously infested that control measures cannot be undertaken without quarantine of the land. A portion of the Southeast Quarter of the Southwest Quarter and the Southwest Quarter of the Southeast Quarter, Section 11, Township 17 North, Range 2 West, W.N., Thurston County, Washington. The movement of all balled and burlap nursery stock is covered by this quarantine.