We currently have two grant cycles open. Applications for Environment Program grants to eliminate barriers to the outdoors are due February 11th. Arts Program grant applications are due March 11th.

For Applicants


As a critical component of our activities, grantmaking enables us to support nonprofits across Maine that are aligned with our mission and our strategic priorities.

Grantmaking Areas

Grantmaking Process

Grants Calendar

Eligibility Requirements

Navigating Fiscal Sponsorship

where the river widens with Wabanaki REACH Photo credit: Dan Rajter

where the river widens with Wabanaki REACH

Photo credit: Dan Rajter

Grantmaking Areas


We currently offer grants in two program areas — the Arts Program and the Environment Program — and occasionally in response to special opportunities. Organizations are welcome to apply again in subsequent years after completing the requirements of the initial grant.

ARTS PROGRAM

ABOUT THE ARTS PROGRAM

ENVIRONMENT PROGRAM

ABOUT THE ENVIRONMENT PROGRAM

SPECIAL OPPORTUNITIES

Special Opportunities grants fall outside the foundation’s program strategies.

RECENT SPECIAL OPPORTUNITIES GRANTS

Grantmaking Process


1.

Planning and Submission

Review our program pages to identify the strategies and priorities with which your proposal best aligns. Reach out to an Onion Foundation team member to discuss your proposal, and then submit your application during an open call window.

2.

Foundation Review

Our team will thoroughly review your application, ensuring your organization’s work or project aligns with the Onion Foundation’s mission, strategies, and priorities and, given other requests, fits within our resources.

3.

Notification of Our Decision

After we review your proposal, we’ll notify you of our decision. If we approve funding for your proposal, we’ll provide you with guidance on next steps.

4.

Active Grant

Use the information in the Resources for Grantees page and work with your program officer to manage your grant.

Photo credit: ArtWaves

Photo credit: ArtWaves

Grants Calendar


2026 Grants Calendar

In 2026, the Onion Foundation has four open application grant cycles, listed below. For information about each grant cycle, including application instructions, please review the program pages carefully. 

GRANT CYCLE

Arts Program: Arts Education and Arts Engagement

APPLICATIONS OPEN

February 4, 2026

APPLICATIONS DUE

March 11, 2026

NOTIFICATIONS

May 2026

ARTS PROGRAM

GRANT CYCLE

Arts Program: Arts Education and Arts Engagement

APPLICATIONS OPEN

July 22, 2026

APPLICATIONS DUE

September 9, 2026

NOTIFICATIONS

November 2026

ARTS PROGRAM

GRANT CYCLE

Environment Program: Equitable Outdoor Access

APPLICATIONS OPEN

January 7, 2026

APPLICATIONS DUE

February 12, 2026

NOTIFICATIONS

May 2026

ENVIRONMENT PROGRAM

GRANT CYCLE

Environment Program: Nature Learning

APPLICATIONS OPEN

March 18, 2026

APPLICATIONS DUE

April 29, 2026

NOTIFICATIONS

July 2026

ENVIRONMENT PROGRAM

Eligibility Requirements


To receive funding from the Onion Foundation, proposed work must be based in Maine and focused on benefiting Maine's people.

To apply for and receive a grant, your organization must be one of the following:


A 501(c)3 public charity as designated by the IRS


Fiscally sponsored by a qualified 501(c)3 public charity


A Maine governmental unit


The Foundation generally does not support:


Capital projects (including capital campaigns, capital improvements, land purchases, or endowments)


Scholarship funds


Public and private schools or school districts (we do fund nonprofit organizations that partner with schools)


Religious programs


The Arts Program generally does not support:


Permanent public art


Film/media production


Publications/book projects


Exhibitions without significant public programming


Artists (we do fund organizations that pay artists for their work)


The Environment Program generally does not support:


Fisheries, river restoration, dam removal, and fish passage


Aquatic and terrestrial invasive plant mitigation (we do fund invasive aquatic species prevention)


Working with a fiscal sponsor can be an excellent approach for some projects, and fiscally sponsored projects are eligible for all of our grant programs. If you’re using a fiscal sponsor, we strongly encourage you to reach out to a program officer before submitting an application. 

Fiscal sponsors are grantees for any grants awarded and, therefore, are responsible for signing the grant agreement, ensuring funds are expended appropriately, and submitting timely and accurate reports. The fiscal sponsor should have the systems, personnel, and procedures in place to carry out the requirements of the Onion Foundation as well as the responsibilities outlined in the fiscal sponsorship agreement. Please note that fiscal sponsors may apply for funding in the same cycle as projects they are sponsoring.

All grants that support fiscally sponsored projects or organizations are classified as project grants. However, you may request unrestricted support for your fiscally sponsored project in your application.

Elements To Include in a Fiscal Sponsor Agreement

When you apply, you’ll need to submit a fiscal sponsor agreement that clearly outlines the expectations and obligations of the sponsor and the sponsored party. It should address potential risks and establish a strong foundation for the relationship. While the document doesn’t need to be long, it’s important to include the following:


A dated signature from an authorized representative of each party, along with their title or role


A timeframe for the agreement, including the entire term of the grant and reporting


An explanation of the services provided by the sponsor and the associated fees


A description of the sponsored party's obligations


A statement of any restrictions on the activities of the sponsored party, such as a certain amount of lobbying or other activities that might threaten the tax status of the sponsor


A process by which each party can terminate the agreement


Helpful Resources Regarding Fiscal Sponsorship

COUNCIL OF NONPROFITS

Fiscal Sponsorship For Nonprofits

More Resources

NATIONAL NETWORK OF FISCAL SPONSORS

NNFS Guidelines

Resources

image 1

(Right) Photo credit: Susan Onion

(Left) Photo credit: Horizons Climbing Program with Adaptive Outdoor Education Center

image 2

(Left) Photo credit: Horizons Climbing Program with Adaptive Outdoor Education Center

(Right) Photo credit: Susan Onion

For questions about grant opportunities, reach out to our team.