Schedule Change

On Friday, September 19, the U.S. Botanic Garden's outdoor National Garden will close early at 5 p.m. It will reopen for regularly scheduled hours on Saturday, September 20 at 10 a.m.

General Horticulture Volunteer

Division Assignment: Horticulture

Reports to:


To support the USBG mission of demonstrating the aesthetic, cultural, economic, ecological and therapeutic importance of plants to the well-being of humankind by assisting the horticulture staff with the care and maintenance of the living collection at the downtown Conservatory location as well as the greenhouse Production Facility.

Primary Responsibilities:

  • Assist gardeners with routine horticultural tasks such as weeding, pruning and general cleaning of the Conservatory, greenhouses and outdoor gardens


  • Master Gardener certificate, a degree in horticulture or be currently employed in the field of horticulture
  • Interest in care and maintenance of living collections
  • Cooperative nature, including the ability to accept instruction and correction
  • Ability to be courteous, respectful and patient with visitors
  • Ability to adapt quickly to changing circumstances
  • Professional manner and appearance
  • Ability to work in an outdoor environment

Training Provided:

  • Minimal training will be provided. Candidate must have basic knowledge of gardening techniques

Time Commitment:

  • 100 hours a year
  • Flexible scheduling


  • Opportunities to participate in continuing education at the Garden
  • Participation in horticulture in-service training programs offered to volunteers in the Washington, D.C., area
  • Participation in USBG public programs for free or at reduced rates on a space-available basis
  • Participation in USBG-sponsored volunteer appreciation events
  • USBG Volunteer newsletter


There are two formats available to submit an application. Either must be completed and accompanied by any necessary supporting documentation.

Microsoft Word Volunteer Application

Adobe Acrobat fillable PDF Volunteer Application


Once complete, you may either email your application and any supporting documentation as electronic attachments or send hard copies to the following mailing address:

United States Botanic Garden
Attn: Volunteer Coordinator
245 First Street
Washington, DC 20024-3201