Dubuque Arboretum and Botanical Gardens
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The Dubuque Arboretum and Botanical Gardens 52 acres (21 hectares) are an arboretum and botanical gardens established in 1980 and located at 3800 Arboretum Drive, Dubuque, Iowa. It is open without charge seven days a week from May 1 to October 31, and weekdays the remainder of the year. The arboretum is the largest in the United States staffed entirely by volunteers, and over 375 people help maintain the gardens.
The Gardens include what is claimed to be the largest public hosta garden in the United States (13,000 plants representing over 700 varieties), as well as Annual and Perennial Gardens, several Children's gardens, an English Knot Garden and Formal English Garden, Herb Garden, Cactus Garden, Iowa State and All American Test Gardens, Japanese garden designed by Hoichi Kurisu, and Rose Gardens. Also notable are the collections of unusual conifers and dwarf conifers.
