National Onion Day is celebrated annually on June 27 in the United States. It commemorates the founding or incorporation of the National Onion Association (NOA) on June 27, 1913. The NOA formally established the holiday in 2019 to recognize the agricultural and culinary importance of this humble but powerful bulb.
History of National Onion Day
National Onion Day is observed every year on June 27 and has its roots in the founding of the National Onion Association (NOA) in the United States. The NOA was established on June 27, 1913, to support onion growers, promote the industry, and encourage greater consumption of onions nationwide. Although onions have been a vital part of human cuisine and agriculture for thousands of years, the decision to formally recognize a day in their honor came much later.
In 2019, more than a century after its founding, the National Onion Association officially declared June 27 as National Onion Day. This date was chosen to coincide with the anniversary of the organization’s establishment, making it a celebration not only of the vegetable itself but also of the people and history behind its cultivation and promotion.
The day was created to highlight the essential role onions play in kitchens around the world, as well as their significance in farming and food culture. It also serves to educate the public on the many health benefits of onions and inspire more people to incorporate them into their meals. With their rich history and widespread use, onions have certainly earned a day of recognition and celebration.
Fun Facts about National Onion Day
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It Marks a 100+ Year Legacy
National Onion Day is celebrated on June 27 to commemorate the founding of the National Onion Association (NOA) in 1913. While the day itself was only officially recognized in 2019, the NOA has been advocating for onion farmers and promoting onion consumption for over a century.
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The First of its Kind in the USA
This day is specifically an American observance. It’s not a global holiday, but it honors an ingredient that’s used and loved around the world. The NOA created this day to bring attention to the economic and culinary impact of onions in the United States.
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The Onion is One of the Oldest Cultivated Crops
Onions have been grown for more than 5,000 years, with historical records showing their use in ancient Egypt, India, and China. Egyptians believed onions symbolized eternity due to their endless layers and even placed them in the tombs of pharaohs.
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It Celebrates All Types of Onions
National Onion Day isn’t just about the common yellow onion. It celebrates all varieties, including red, white, sweet, green onions, scallions, shallots, and even exotic types like cipollini and pearl onions.
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Onions Are Nutritional Powerhouses
Beyond flavor, onions are rich in vitamin C, antioxidants, and fiber. They also contain quercetin, a plant compound believed to help lower inflammation and boost heart health. That makes this flavorful bulb both delicious and beneficial.
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Chopping Onions Makes You Cry—on Purpose
Onions release a sulfur-based gas called syn-Propanethial-S-oxide when chopped, which irritates the eyes and causes tears. This trait helped onions act as a natural pest repellent in ancient times—and it’s now just part of the cooking experience!
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America Grows a Lot of Onions
The United States produces about 6.75 billion pounds of onions each year, according to the NOA. Major onion-growing states include California, Washington, Oregon, Idaho, and Texas.
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Caramelized Onions Are a Celebration Staple
Many people celebrate National Onion Day by making caramelized onions, which transform the sharp vegetable into a sweet, rich treat. They’re used in dips, burgers, pizzas, tarts, and even desserts like onion-pecan-chocolate cookies—yes, that’s a real thing promoted by the NOA!
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The World’s Largest Onion Weighed Over 10 Pounds
The Guinness World Record for the heaviest onion goes to Tony Glover of the UK, who grew an onion weighing 10 lb 14 oz (4.93 kg) in 2014. That’s about the size of a small bowling ball!
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#NationalOnionDay is a Growing Trend
Every June 27th, social media lights up with foodies, chefs, and gardeners posting their favorite onion recipes, growing tips, and puns using the hashtag #NationalOnionDay. It’s a fun and flavorful way to join the celebration online.
How to Celebrate National Onion Day
- Cook with onions all day – add them to breakfast, burgers, soups, and salads, or make caramelized onion tart. The NOA even suggests onion‑pecan‑chocolate cookies for dessert!
- Grow your own – try planting yellow, red, or white onions (they’re easy and rewarding).
- Share on social media – use #NationalOnionDay to showcase your dishes and recipes.
- Try onion-themed events – fairs or farm visits are great (though local events may vary).
- Learn cooking tips – experiment with caramelizing, pickling, or mastering onion cuts. The NOA provides guides and recipes on its site.
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