Wauchula is a city and the county seat of Hardee County, Florida, United States. As of the 2020 census, it had a population of 4,900. Wauchul…Wauchula is a city and the county seat of Hardee County, Florida, United States. As of the 2020 census, it had a population of 4,900. Wauchula has been called the "cucumber capital of the world", although citrus has become a more important agricultural crop over the past few decades. It is home to the downtown's Wauchula Historic District and Albert Carlton Estate.