Gahanna, Ohio is a city with a long history of cultivating herbs. During the late 1800s and early 1900s, its residents earned a reputation for the quality and quantity of herbs they grew earning Gahanna the nickname, the "Herb Capital". In 1972, the Ohio General Assembly passed a resolution to officially recognize Gahanna as the "Herb Capital of Ohio". The effort was led by Jane "Bunnie" Geroux, a prominent historical society member and avid gardener.

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Gahanna celebrates its heritage with the Ohio Herb Center, which offers classes and workshops on herbal topics, the annual Herb Day festival in May, the Herbal Cocktail Trail, and her-infused meals from local restaurants. Herbs are included in many of the city's parks and garden landscapes and the Geroux Herb Garden, a park dedicated to growing Herbs was created in 1975. Gahanna continues to honor its history with these initiatives and its commitment to cultivating herbs.