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Dubuque Arboretum & Botanical Gardens at Marshall Park

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United States of America - Iowa - Dubuque

Institution Code: DMP

International Agenda Registration: No

BGCI Member: No

About the Dubuque Arboretum & Botanical Gardens at Marshall Park

We are the only arboretum and botanical garden in the USA staffed entirely by volunteers. Over 250 dedicated individuals maintain the trees, plants and shrubs, and seed-gifts which are all labeled throughout the garden.

Hours: May 1 to Oct. 31, 7 am to dusk, seven days a week. Nov. 1 to May 1, 10 am to 3 pm, closed Saturday and Sunday, Closed Thanksgiving Day, December 25 through January 1.

Other features: Free Sunday concerts, AARS Committee, 12 consecutive awards for rose garden, largest public hosta garden in US (13,000 with 700 varieties), recognized by the National Hosta Society, AAS display garden, Seed-saver display garden, and Nationally recognized Bill Walter and Dennis Hermsen's Award Winning Conifer collection. Open air facilities available for luncheons and meetings on a you bring your own basis.

Admission: There is NO admission charge. All exhibits are free. A donation is always welcome and is tax deductible. (501-C-3)

Wheelchair accessible

Call to arrange group tours (golf cart available for handicapped)

Main Address:
Dubuque Arboretum & Botanical Gardens at Marshall Park
3800 Arboretum Drive
Iowa 52001 United States of America

Telephone: (563) 556-2100
Fax: (563) 556-2443
Primary Email:

Staff Details

  • Director's Name: John Frick, President
    Curator's Name:
    Plant Records Officer's Name:

About the Garden

  • Institution Type: Botanic Garden
  • Date founded: 1980
  • Physical Data
  • Landscaped Area: Yes
    Landscaped Area: Size: 21 Hectares
  • Total Area: 21 Hectares
    Latitude: 42.5305440
    Longitude: -90.7206010
    Altitude: 0.00 Metres

Features and Facilities

  • Herbarium: No
    Arboretum: Yes
  • Micropropagation/ Tissue Culture Facilities: No
    Seed Bank: No
    Published Plant Catalogue: No
    Computer Plant Record System: No
  • Open to public: Yes
    Disabled access: Yes
  • Number of Visitors: 75000
    Number of Volunteers: 250

Plant Collections

  • Special Collections:Gardens: Formal Rose Garden, Bausman Old Garden Roses, English Knot Garden, Formal English Garden, Herb Garden, McGreger's Children's Garden, Hosta Garden, Japanese Garden, Children's Flower and Vegetable Garden, Iowa State and All American Test Gardens, Annual and Perennial Gardens and Dwarf Conifers

Conservation Programmes

Research Programmes

Education Programmes