Gardenburger
Gardenburger is an American vegetarian burger brand created in Oregon and now owned by Kellanova.
Last updated August 22, 2026
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Overview
Gardenburger is a United States food brand associated with vegetarian burgers and other meat-substitute products. The brand originated in the early 1980s at The Gardenhouse, a vegetarian restaurant in Gresham, Oregon, operated by Paul Wenner. Wenner developed the original patty around 1981 or 1982 as a meat-free entrée made from plant and grain ingredients, including mushrooms, onions, brown rice, rolled oats, garlic, and spices, together with eggs and cheese in the original formulation. The product was designed to provide a substantial restaurant meal without using meat and became the foundation of a packaged-food business. The business was incorporated in March 1985 as Wholesome & Hearty Foods, Inc. Its early financing came through a venture-capital program associated with Louisiana-Pacific Corporation. That arrangement provided funding to Paul Wenner and Allyn Smaaland while giving Louisiana-Pacific immediate controlling interest. A further round of venture financing followed approximately one year later. This structure helped move Gardenburger from a restaurant-created specialty into a broader commercial brand. Gardenburger’s range developed beyond the original patty into multiple vegetarian and vegan formats. Products referenced in the brand’s 2012 range included Veggie Medley, The Original, Black Bean Chipotle, Sun-Dried Tomato Basil, and Portabella varieties. Although the brand is centered on meat-free foods, not every product has been vegan. Some formulations used eggs or dairy ingredients such as milk and cheese, while other products were vegan. In 2006, the company announced that it had removed eggs from all products except one privately sourced item; that remaining item was reformulated to use organic, cage-free eggs. The company experienced financial difficulty in 2005 when Gardenburger filed for bankruptcy. Operations continued after the business became privately held. In 2006, the corporate name was changed back to Wholesome & Hearty Foods, the name under which the company had originally been incorporated. The following year, in 2007, Kellogg Company acquired Wholesome & Hearty Foods, bringing Gardenburger into Kellogg’s portfolio of food brands. The brand is now identified as being owned by Kellanova, the corporate successor associated with the relevant portfolio after the separation of Kellogg’s businesses. Gardenburger’s positioning is rooted in vegetarian convenience food, meat-free eating, and plant-forward meal occasions. Its historical identity differs from that of a purely vegan brand because several products have included dairy or egg ingredients. The brand’s significance comes from its early role in popularizing restaurant-style veggie burgers in the United States, before the later expansion of the plant-based category into a much wider range of meat analogues. Publicly available reference material does not establish a current full product range, corporate headquarters, current executives, or a current official website, so those details are left unspecified.
History
Gardenburger began as a restaurant-created vegetarian food rather than as a conventional packaged-goods concept. Paul Wenner, the owner of The Gardenhouse, a vegetarian restaurant in Gresham, Oregon, developed the first Gardenburger around 1981 or 1982. The early patty used a combination of mushrooms, onions, brown rice, rolled oats, garlic, spices, cheese, and eggs. This formulation reflected the brand’s original emphasis on a hearty vegetarian meal, while also establishing a product identity distinct from both a vegetable side dish and a conventional beef hamburger. The concept progressed from the restaurant into a formal food company. Wholesome & Hearty Foods, Inc. was incorporated in March 1985. Paul Wenner and Allyn Smaaland received initial funding through a venture-capital investment program connected with Louisiana-Pacific Corporation. Louisiana-Pacific took immediate controlling interest as part of that arrangement, and another round of venture financing was provided roughly a year later. These transactions supplied capital for the commercialization and distribution of the product, although the available reference material does not provide detailed sales, production, or distribution figures. As the brand developed, Gardenburger expanded from its original patty into a family of vegetarian and vegan meat substitutes. The range included products built around vegetable, grain, mushroom, and legume ingredients, with varieties such as Veggie Medley, The Original, Black Bean Chipotle, Sun-Dried Tomato Basil, and Portabella documented in 2012. The portfolio was not uniformly vegan. Some products contained eggs or dairy ingredients, including milk and cheese. In 2006, the company announced a significant formulation policy change: eggs were removed from all products except one privately sourced item, which was described as containing organic, cage-free eggs. The business encountered financial distress in 2005, when Gardenburger filed for bankruptcy. The brand did not disappear as a result; it continued operating after becoming privately held. In 2006, the company changed its name back to Wholesome & Hearty Foods, restoring the corporate name used at incorporation. The following year, Kellogg Company acquired Wholesome & Hearty Foods. This transaction placed Gardenburger within a large multinational food company and connected the brand to Kellogg’s broader portfolio. Gardenburger occupies an important historical position in the American vegetarian-food market. It helped establish the veggie burger as a recognizable prepared food and restaurant-style convenience product before the plant-based category became substantially broader. Its traditional product identity has been based on vegetables, grains, legumes, and mushrooms rather than attempting to reproduce the exact sensory profile of ground beef. At the same time, its use of eggs and dairy in some historical products means that the brand should be described as vegetarian and partly vegan, not as an exclusively vegan label. The available reference material identifies Kellanova as the current owner and Kellogg Company as the parent company associated with the 2007 acquisition. It does not provide a verified current headquarters, executive roster, complete contemporary product catalogue, financial information, or official web address. Those fields remain unspecified rather than being inferred.
- 2007
Acquired by Kellogg Company
[1]Kellogg Company purchased Wholesome & Hearty Foods, acquiring the Gardenburger business.
- 2006
Egg-free reformulation initiative
[1]The company announced that eggs had been removed from all products except one privately sourced item using organic, cage-free eggs.
- 2006
Corporate name restored
[1]The company changed its name back to Wholesome & Hearty Foods.
- 2005
Bankruptcy filing
[1]Gardenburger filed for bankruptcy while continuing operations through a privately held structure.
- 1986
Second venture financing round
[1]A second round of venture-capital financing was provided approximately one year after the initial Louisiana-Pacific-associated investment.
- 1985
Wholesome & Hearty Foods incorporated
[1]The company behind Gardenburger was incorporated as Wholesome & Hearty Foods, Inc. in March.
- 1981
Original Gardenburger developed
[1]Paul Wenner developed the original vegetarian burger at The Gardenhouse restaurant in Gresham, Oregon; some accounts date the development to 1982.
Products and positioning
A heritage American vegetarian and plant-based food brand focused on meat-free burger patties and convenient meat substitutes. The portfolio has included both vegetarian and vegan products rather than being exclusively vegan.
Vegetarian burger · 1981
The Original Gardenburger
The original signature patty developed at The Gardenhouse. Its documented formulation combined mushrooms, onions, brown rice, rolled oats, garlic, spices, cheese, and eggs, producing a substantial vegetarian burger rather than a meat-mimicking product. The original formulation was vegetarian but not vegan because it included dairy and egg ingredients.
Vegan burger · 2012
Veggie Medley
A vegetable-focused Gardenburger variety listed in the brand’s 2012 product range. It was identified as vegan, distinguishing it from products in the portfolio that used eggs or dairy ingredients.
Vegan burger · 2012
Black Bean Chipotle Veggie Burger
A black-bean-based burger with chipotle flavoring documented among Gardenburger’s 2012 offerings. It was identified as vegan and represented the brand’s use of legumes and stronger savory seasoning within its meat-free range.
Vegetarian burger · 2012
Sun-Dried Tomato Basil
A vegetarian patty variety combining sun-dried tomato and basil flavor cues. It was listed in the 2012 range and classified as vegetarian rather than vegan, reflecting the presence of animal-derived ingredients in some Gardenburger products.
Vegetarian burger · 2012
Portabella
A portabella-oriented vegetarian burger variety included in the documented 2012 product lineup. Its mushroom emphasis connects it with the ingredient profile and culinary identity of the original Gardenburger.
Brand decisions
2007
Kellogg acquisition of Wholesome & Hearty FoodsM&ABackground
After Gardenburger’s bankruptcy and subsequent operation as a privately held business, the company became an acquisition target.
Action taken
Kellogg Company purchased Wholesome & Hearty Foods, the company associated with Gardenburger.
Aftermath
Gardenburger entered Kellogg’s brand portfolio. Reference material identifies Kellanova as the current owner, but does not provide transaction terms or later operational details.
2006
Remove eggs from nearly the entire product rangeStrategyBackground
Gardenburger products had historically included eggs and dairy in some formulations, meaning that the portfolio was vegetarian but not uniformly vegan.
Action taken
The company announced that eggs would be removed from all products except one privately sourced item, which was described as using organic, cage-free eggs.
Aftermath
The change increased the vegan suitability of most of the range while preserving one exception. The available material does not provide subsequent sales or market-share effects.
2006
Restore the Wholesome & Hearty Foods corporate nameStrategyBackground
The Gardenburger business had operated under the Gardenburger identity even though its incorporated company name was Wholesome & Hearty Foods.
Action taken
The company changed its corporate name back to Wholesome & Hearty Foods.
Aftermath
Gardenburger remained the consumer-facing brand, while Wholesome & Hearty Foods became the restored corporate name before the 2007 Kellogg acquisition.
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