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Red Walla Walla sweet onions 10 years in the making

Walla Walla, Wash., sweet onion farmer Michael J. Locati has introduced a rosé Walla Walla sweet onion to the marketplace, available on a limited basis. Locati hopes to keep improving the color while retaining the popular niche onion’s signature flavor.
Matthew Weaver

Capital Press

Published on July 27, 2018 9:30AM

Michael J. Locati took 10 years of seed testing to breed the new red Walla Walla sweet onion.

Matthew Weaver/Capital Press

Michael J. Locati took 10 years of seed testing to breed the new red Walla Walla sweet onion.

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Michael J. Locati looks through the new rosé Walla Walla sweet onions in the Walla Walla River Packing Company July 25 in Walla Walla, Wash.

Matthew Weaver/Capital Press

Michael J. Locati looks through the new rosé Walla Walla sweet onions in the Walla Walla River Packing Company July 25 in Walla Walla, Wash.

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WALLA WALLA, Wash. — It took 10 years for Michael J. Locati to develop a red-colored Walla Walla sweet onion.

While harvesting, Locati and his uncle noticed that certain onions would have very light pink hues. They started pulling those onions, planting the seed and checking over and over to get redder onions.

This year, Locati planted about 10 acres of the red Walla Walla sweet onions.

“It’s still in the development process,” he said. “It’s always going to be that way.”

Locati considers the red onions a “rosé” sweet.

“It’s not a deep, dark red,” he said. “We hope to get there, but we don’t want to sacrifice our flavor profile to just have color.”

Walla Walla sweet onions are a niche onion, protected by a federal marketing order designating the legal production area. Only 10 to 15 farmers raise them on 500 total acres in Walla Walla County in Washington and a small part of northeastern Oregon.

Due to their high water content and low sulfur and low pyruvic acid, half that of ordinary yellow storage onions, Walla Walla sweets are considered sweeter — despite containing negligible amounts of sugar — and have less “bite” or tendency to cause tears during chopping.

“In ways, we’re selling a red, but in ways, we’re not,” Locati said. “We’re selling a Walla Walla sweet still.”

People may already have an idea about red onions, he said. Once they get over their initial “fear factor,” the response from customers has been positive.

The rosé onion causes a “nice, sweet water explosion in your mouth,” followed by a mild onion flavor, Locati said.

“It’s really, really, really sweet compared to a regular red onion,” he said. “You wouldn’t bite into a red onion the way you can these.”

Red Walla Walla sweets are commercially available at Metropolitan Market in the Seattle area, at Walla Walla River Packing and Storage and through the Locati Farms website.

The reds haven’t gone through big retail channels yet because of the low volume, Locati said.

Locati is chairman of the Walla Walla Sweet Onion Marketing Committee. He said the red Walla Walla sweets will likely remain exclusive to his family’s company.

“Any time you can offer a different product, it’s good for the market,” he said. “It’s just something new, fresh and different from the traditional yellow.”

Locati will keep working to perfect the variety’s color while keeping the classic Walla Walla sweet onion lineage.

Asked if other new Walla Walla sweets are in the works, Locati said he’s “always working on something,” but anything must be developed through traditional plant breeding and natural selection, all derived from the original Walla Walla sweet onion brought to the United States from Corsica, off the coast of Italy.

Locati said he enjoys the surprise element that’s part of plant science.

“You work so hard, you don’t know, you don’t know, you still don’t know and then, all of a sudden, you get lucky or whatever happens and here you are,” he said. “It was an experiment that went right, I guess. I hope it went right.”



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