American Conifer Society: The ACS Jean Iseli Memorial Grant ($4,000) is awarded annually to a public garden, arboretum or horticultural institution that has demonstrated its support of the development, conservation or propagation of conifers. Applications due by June 2.
Arbor Day Foundation Reforestation – forest restoration projects
Earthwatch- Support for Field-Based Research Projects 2021: Grant funding to support scientific field projects in the themes of: ecological restoration, global conservation priorities, and forestry.
The Fruit Tree Planting Foundation: Grant program where the harvest serves the community. Recipients are schools, parks, community gardens, and similar nonprofits.
Grants.gov: Learning center to find and apply for federal grants.
Google Ad Grants for Nonprofit Organizations: Imagine what you could do with $10,000 USD of in-kind advertising every month from AdWords, an online advertising solution from Google.
The Home Depot Community Impact Grants Program: Registered nonprofits can receive up to $5,000 to improve their community.
Institute of Museum and Library Studies Grants: Several grants are offered through the Institute of Museum and Library Studies.
Magnolia Society International: Research funding program to promote research to expand the knowledge base of the members of the genus Magnolia.
Missouri Botanical Garden- Fellowships for Visiting Researchers 2019: Short-term fellowships for professionals in conservation, biology, ecology, botany and related fields.
National Environmental Education Foundation: Grants and awards for public/private environmental education.
National Recreation and Park Association: Grants and partners to fund local park programs that promote conservation, health & wellness and social equity.
National Science Foundation: Index search of various NSF programs offering funding opportunities.
New England BioLabs Foundation Grant: Welcome inquiries from community-based nonprofit organizations working toward: conserving biological diversity, ecological restoration, etc.
Patagonia- Grants for Environmental Protection: Provides grants to support non-profit organizations with projects to preserve and protect the environment.
Rufford Foundation- Grants for Nature Conservation: The Rufford Foundation funds nature conservation projects across the developing world.
Smithsonian Tropical Research Institute- Research in Tropical Forests: The CTFS-Forest GEO Grants Program supports research that will use forest data from the program's field sites. The grant will support research projects up to US $15 thousand.
The Stanley Smith Horticultural Trust: The Trust supports education and research in ornamental horticulture. Grants are typically made to botanical gardens, arboreta, and universities.
Tree Fund Grants - supporting scientific discovery and dissemination of new knowledge in the fields of arboriculture (the science of cultivating and managing trees in a landscape) and urban forestry.
World Land Trust- Land Purchase for Conservation: Provides funding for the acquistion of land that has conservation importance and funds additional activities related to protection, habitat restoration, biodiversity monitoring, etc.