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Nonprofits and Agencies to Promote Horticulture

Stanley Smith Horticultural Trust Grant

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Foundation / Corporation

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Stanley Smith Horticultural Trust

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Grants of up to $10,000 and grants of up to $25,000 to USA, Canada, and International nonprofit organizations and agencies to promote the use, care, and culture of plants grown for decorative purposes. Applicants must submit an LOI prior to submitting a full proposal. The Trust supports projects that directly further research or education in ornamental horticulture in North America, South America, Central America, the Caribbean, Australia, and New Zealand.

The Trust awards grants for distinct projects, equipment and capital needs, and, under some circumstances for general operating support and salaries. In response to the pandemic, in 2022 and 2023, the Trust will consider requests for general operating support from organizations whose activities normally are well-aligned with the Trust’s interests. 

The Trust seeks to fund projects that will further ornamental horticulture at organizations pursuing the following activities:

  • Research: The advancement of research in ornamental horticulture and the publication of the results of such research.
    • Examples include:
      • Trial/evaluation gardens for horticultural potential of selected plants in a region
      • Discerning appropriate cultural techniques and best horticultural practices for a specific group of plants
      • Laboratory freezer for DNA samples
  • Public Gardens: Assisting in the creation, development, preservation, and maintenance of gardens accessible to the public for educational purposes.
    • Examples include:
      • New or revised home demonstration gardens or beds
      • Resurfacing garden trails for all-weather accessibility or ADA compliance
      • Damage remediation following a natural disaster
  • Ornamental Plants: Promotion of the environmentally responsible introduction, cultivation, and distribution of plants that have ornamental horticultural value.
    • Examples include:
      • Testing potential new ornamentals for invasiveness
      • Promotion and demonstration of the use of local native ornamentals in local or home landscaping
      • Collections management software for ornamentals
  • Publications: Assisting in the publication of books or other works relating to ornamental horticulture.
    • Examples include:
      • Guide to appropriate ornamentals for local and regional landscaping
      • Guide to best practices for controlling diseases and pests in ornamentals
      • Online publication of horticultural inventory for public access
  • Education: Informal and/or formal educational activities that further ornamental horticulture.
    • Examples include:
      • Classes and workshops on developing and maintaining home gardens
      • Garden signage that notes cultural requirements, water- or fire-wise properties, or aesthetic attributes of plants
      • Horticultural internships
      • Construction or remodeling of educational facilities

GrantWatch ID#:

GrantWatch ID#: 172498

Estimated Size of Grant:

- The maximum grant awarded by the Trust is $25,000, however, grants normally do not exceed $20,000.
- In response to the pandemic, in 2022 and 2023, the Trust will consider requests for general operating support in amounts up to $10,000 from organizations whose activities normally are well-aligned with the Trust’s interests.

Term of Contract:

The grant period (the period during which funds should be used) for grants paid in November 2022 will be January 1 to December 31, 2023, and reports for these grants will be due by April 30, 2024.

Additional Eligibility Criteria:

The Trust makes grants to organizations that are recognized as 501(c)(3) public charities by the United States Internal Revenue Service, tax-exempt government entities, and to non-U.S. organizations that can demonstrate that they would meet the requirements for tax-exempt 501(c)(3) status.

The Trust supports projects that directly further research or education in ornamental horticulture in North America, South America, Central America, the Caribbean, Australia, and New Zealand. Grantee organizations must also be based in one of these locations.

In order to be eligible to submit a new funding request in 2022, an organization must have:
- Not received a grant award in December 2021, and
- Submitted a grant report for any previous grant(s) by April 30, 2022 (No report is required for a 2020 COVID-19 Response Grant)

The Trust does not fund endowments or indirect costs, or make grants to individuals. The Trust also does not fund projects concerned primarily with agriculture, environmental issues, science education, or horticultural therapy.

Pre-Application Information:

- The deadline to submit a Letter of Inquiry (LOI) is July 15, 2022.
- The deadline to submit a full proposal, if invited, is August 15, 2022.
- Trustee decisions are made once a year, typically in November.
- Decision notifications and grant payments, if approved, are mailed in late November.

The first step in the application process is a Letter of Inquiry (LOI), followed by a full Proposal, if invited. An invitation to submit a Proposal does not assure funding.

Because the Trust receives many more requests than it is able to fund, the application process is highly competitive. Even if a project fits within the foundation’s guidelines, it may not be funded. In 2021, approximately 38% of invited proposals were funded.

Organizations may receive a grant from the Trust no more than every other year.

Funding Interests:
Common Grantseeker Questions:
Application Process:

Contact Information:

Before starting your grant application, please review the funding source's website listed below for updates/changes/addendums/conferences/LOIs.

Complete the Grantseeker Quiz to access the online grants portal, see the "How to Apply for Funding" tab, here:

Application portal:

If you meet the Eligibility requirements, but still have questions about whether your project is aligned with the Trust's Funding Interests, please contact Dr. Tom Daniel, Grants Director, at

If you have problems or questions regarding the online grants portal, contact the Grants Associate at

Stanley Smith Horticultural Trust
770 Tamalpais Drive, Suite 309
Corte Madera, CA 94925 USA
Phone: 415-332-0166

Grant Coverage Areas:

North America, South America, Central America, the Caribbean, Australia, and New Zealand

URL for Full Text (RFP):

Geographic Focus:

USA: Alabama;   Alaska;   Arizona;   Arkansas;   California;   Colorado;   Connecticut;   Delaware;   Florida;   Georgia;   Hawaii;   Idaho;   Illinois;   Indiana;   Iowa;   Kansas;   Kentucky;   Louisiana;   Maine;   Maryland;   Massachusetts;   Michigan;   Minnesota;   Mississippi;   Missouri;   Montana;   Nebraska;   Nevada;   New Hampshire;   New Jersey;   New Mexico;   New York City;   New York;   North Carolina;   North Dakota;   Ohio;   Oklahoma;   Oregon;   Pennsylvania;   Rhode Island;   South Carolina;   South Dakota;   Tennessee;   Texas;   Utah;   Vermont;   Virginia;   Washington, DC;   Washington;   West Virginia;   Wisconsin;   Wyoming

Array ( [0] => American Samoa (USA); [1] => Guam (USA); [2] => Puerto Rico (USA); [3] => Virgin Islands (USA); [4] => Northern Mariana Islands (USA); )

USA Territories: American Samoa (USA);   Guam (USA);   Puerto Rico (USA);   Virgin Islands (USA);   Northern Mariana Islands (USA);

USA Compact Free Associations: The Federated States of Micronesia (USA)   Marshall Islands (USA)   Republic of Palau (USA)

Canada: Alberta;   British Columbia;   Manitoba;   New Brunswick;   Newfoundland and Labrador;   Northwest Territories;   Nova Scotia;   Nunavut;   Ontario;   Prince Edward Island;   Quebec;   Saskatchewan;   Yukon;

International country outside of the USA, Israel and Canada.

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