Mexico has rejected more Christmas trees due to pests this year, according to USDA.
Christmas tree farmers have been cleared to use helicopters for harvest near Salem, Ore., despite airspace restrictions during low visibility conditions, though shipment disruptions remain a concern.
Attendance grew 10 percent, to 6,000 visitors, at the Oregon nursery industry's annual Farwest Show.
Nurseries should resist the temptation to overwhelm consumers with plant information, participants were told at the recent Farwest Show.
Washington State Department of Agriculture's summer search for gypsy moths will be confined to west of the Cascades.
College students from Norway travel to the U.S. to see how forestry and Christmas tree industries operate.
Negligent nurseries could have their shipping permits revoked by farm regulators under a bill passed by the Oregon Senate.
Legislation would give Oregon farm regulators the power to revoke nursery shipping permits.