Keystone is a leader in the Produce industry, providing our customers with authentic sweet onions 52 weeks a year! We grow, pack, ship, and market sweet onions from many geographical locations to provide our valued customers with sweet onions that are truly sweet!
across the country
*Map displays all US regions. Additional Sweet Onion farms in Peru,
Keystone Distribution Points
Walla Walla, WA | Los Angeles, CA | Lyons, GA | Philadelphia, PA |
At Keystone we have an uncompromising standard of excellence in all of our products and services. We are committed to full GFSI compliance with all of our farms, partner-growers, and facilities. If you are in need of any food safety information please send your requests to:
Mayan Sweet Onions
A unique combination of rich soils with low sulfuric acid, a dry climate and a long growing season in the Pacific coastal deserts of Peru and Mexico. Mayan Sweets are one of the world’s best known sweet onions; a respected and established brand with a long, and very tasty, history.
Vidalia’s Sugar Sweet Onions
Vidalia onions are only grown in Georgia. Southeast Georgia has the perfect combination of low sulfur soils, regular rain, and mild winters that produces some of the sweetest onions. There is a defined production area, and only certain counties can grow and sell Vidalia onions.
Walla Walla River Sweet Onions
Walla Walla sweet onions are round, with an elongated neck and dry, paper-thin skin. Onions grown in the Walla Walla Valley have half the sulfur of an ordinary yellow onion, which makes them taste so sweet! Walla Walla sweet onions are a good source of Vitamin C, are sodium and cholesterol free, and are low in calories!
We've developed fresh recipes using our various commodities. Enjoy sprucing up your arsenal of healthy recipes and educating consumers on a variety of culinary topics. Visit Keystone Kitchen to see our recipes
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Want to get in touch? Let us know which commodity you are interested in, or provide us with whatever question you might have. We’ll be sure to direct your information to the appropriate Keystone team member and address your need as quickly as possible. We’re looking forward to hearing from you!