Hot bath may be good for Oregon Christmas tree sales
OREGON CITY — Nobody wants slugs and yellow jackets for Christmas, especially the buyers in Hawaii and other far-flung export markets who make Oregon’s Christmas trees a $103 million annual crop.
Hoping to avoid the ire of inspectors, reduce fumigation costs and maybe expand sales, one of Oregon’s major growers and shippers is washing trees with hot water to kill pests before shipping.
Kirk Co. may be the only Oregon shipper trying the treatment, and it’s attracting attention. Agriculture officials from Malaysia and the Philippines observed the method at the company’s facility Monday, watching as workers shook freshly washed trees to inspect for any remaining bugs.
“What you’re trying to do with that is control hitchhikers,” said Bob Bishop, a trade specialist with the USDA’s Animal and Plant Health Inspection Service who accompanied the Philippines and Malaysia officials.
“We want to avoid diseases,” said Paz Benavidez, with the Philippines Department of Agriculture. “We’re checking how they do inspections and best management practices.”
Norsiyenti Othman, an entomology officer with the Malaysia Department of Agriculture, said her country now imports Noble Christmas trees without pest concerns, but is reviewing new procedures.
Although Malaysia is about 60 percent Muslim and 20 percent Buddhist, Otham said there is a steady market for Christmas trees among shopping malls, tourist hotels and households.
Gary Snyder, co-owner of Kirk Co., said the Hawaiian market is his biggest immediate concern. Inspectors there, leery of bugs they consider invasive, will set loads aside and require treatment if pests are discovered.
The company experimented with hot water washing last year with mixed results, but tweaked the operation this year. Harvested trees are routed by conveyor belt through an enclosed washer that raises the tree temperature to about 106 degrees.
“I’m shipping 75 to 80 containers to Hawaii,” Snyder said. “If less than five of them get held up for slugs, I’ll feel successful.”
Kirk Co. ships about 500,000 trees a year and has operations in Oregon, Washington, North Carolina and Nova Scotia.
Chal Landgren, a Christmas tree specialist with Oregon State University Extension Service, said some growers don’t have on-site water or electrical capacity to wash trees as Snyder’s crew is doing. Some are worried export markets may eventually require it.
“Growers in general hope it doesn’t come to this, but (Snyder) is thinking it might,” Landgren said.
Bishop, of USDA APHIS, said the washing method may control fumigation costs. As a side benefit, washed trees stay fresh and green longer because they carry so much moisture during shipment, Bishop said.
Oregon leads the nation in Christmas tree production, with about 7 million trees sold in 2013 and 17 percent of the U.S. total, according to the National Agricultural Statistics Service. Christmas trees are Oregon’s 12th most valuable crop.