Arboretum Foundation
Seattle, WA ·EIN 91-0613583 ·Grant funding profile from IRS 990 filings
Arboretum Foundation also makes grants — see its funder profile →
Who funds Arboretum Foundation?
Arboretum Foundation is funded by 46 grantmakers, led by The Aldarra Foundation ($5.5M), Islands Fund ($340K), Seattle Foundation ($300K). In total, IRS Form 990 filings record $7.2M in grants to Arboretum Foundation between 2020–2025.
Showing top 25 of 46 funders by total given.
What grants has Arboretum Foundation received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | Owen M Johnson Family Foundation | DONATION | $1,000 |
| 2024 | The Aldarra Foundation | VARIOUS PROJECTS | $2,200,000 |
| 2024 | Seattle Foundation | CIVIC AND CULTURAL PROGRAMMING | $100,000 |
| 2024 | John Jewett & Helen Chandler Garland Fou | Visitor Plaza Project | $100,000 |
| 2024 | William a Looney Family Foundation | to support the Pavilion Project at the Seattle Japanese Garden | $100,000 |
| 2024 | Islands Fund | ENVIRONMENTAL EDUCATION PROGRAMS FOR SCHOOLS | $70,000 |
| 2024 | Farallon Foundation | Environment Protection | $55,000 |
| 2024 | Www Foundation | WASHINGTON PARK ARBORETUM | $30,000 |
| 2024 | Seattle Foundation | FOR THE ARBORIST/HORTICULTURE PROGRAM | $30,000 |
| 2024 | Gs Donor Advised Philanthropy Fund | ENVIRONMENT & ANIMAL PROTECTION | $20,000 |
| 2024 | Marie Lamfrom Charitable Foundation | RESTRICTED PROGRAMMING (ROSE GRANT) | $20,000 |
| 2024 | Pendleton and Elisabeth Carey Miller | GARDEN STEWARDS VOLUNTEER PROGRAM. | $12,500 |
| 2024 | Juniper Foundation | FIDDLEHEADS FOREST SCHOOL | $12,000 |
| 2024 | The Independent Charitable Gift Fund | GENERAL SUPPORT | $10,190 |
| 2024 | Mightycause Charitable Foundation | UNRESTRICTED | $6,960 |
| 2024 | The Us Charitable Gift Trust | FOR RECIPIENT'S EXEMPT PURPOSE | $6,500 |
| 2024 | Vanguard Charitable Endowment Program | FOR RECIPIENT'S EXEMPT PURPOSE | $5,200 |
| 2024 | Seattle Foundation | EQUIPMENT FOR PLANTS FACING CLIMATE THREATS. | $3,000 |
| 2024 | Glein Family Foundation | CONSERVATION AND EDUCATION | $2,000 |
| 2024 | Wyman Youth Trust | CIVIC | $1,750 |
| 2024 | Seattle Foundation | TO PROVIDE GENERAL SUPPORT | $1,500 |
| 2024 | The Rouse Family Foundation Inc | UNRESTRICTED | $1,500 |
| 2024 | Seattle Foundation | TO PROVIDE GENERAL SUPPORT | $1,500 |
| 2024 | Raven Trust Fund | GENERAL SUPPORT FOR ALL PUBLIC CHARITIES | $1,000 |
| 2024 | Owen M Johnson Family Foundation | DONATION | $1,000 |
| 2024 | Norman Raab Foundation | EDUCATION | $1,000 |
| 2024 | Seattle Foundation | TO PROVIDE GENERAL SUPPORT | $1,000 |
| 2024 | Seattle Foundation | TO PROVIDE GENERAL SUPPORT | $1,000 |
| 2024 | Mceachern Foundation-tr | GENERAL OPERATING | $750 |
| 2024 | Seattle Foundation | TO PROVIDE GENERAL SUPPORT | $500 |
Showing 30 most recent of 149 recorded grants.
Frequently Asked Questions
Who funds Arboretum Foundation?
Arboretum Foundation is funded by 46 grantmakers, led by The Aldarra Foundation ($5.5M), Islands Fund ($340K), Seattle Foundation ($300K). In total, IRS Form 990 filings record $7.2M in grants to Arboretum Foundation between 2020–2025.
Who is Arboretum Foundation's largest funder?
The Aldarra Foundation is the largest recorded funder of Arboretum Foundation, with $5.5M across 6 grants (2020–2024).
How much grant funding has Arboretum Foundation received?
IRS 990 filings record $7.2M in grants to Arboretum Foundation across 149 grants from 46 funders between 2020–2025. Filings are published on a delay, so recent grants may not appear yet.
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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.