Boyce Thompson Southwestern Arboretum
Funding Overview
From IRS Form 990 filings · 2020–2025
Total received
$493K
Foundation funders
10
Grants recorded
41
Years covered
2020–2025
Who funds Boyce Thompson Southwestern Arboretum?
Boyce Thompson Southwestern Arboretum is funded by 10 grantmakers, led by Wallace Desert Gardens ($250K), Arizona Community Foundation ($115K), The Bessemer Giving Fund ($100K). In total, IRS Form 990 filings record $493K in grants to Boyce Thompson Southwestern Arboretum between 2020–2025.
| Funder | Total given | Grants | Years |
|---|---|---|---|
| Wallace Desert Gardens | $250,000 | 1 | 2020 |
| Arizona Community Foundation | $115,250 | 5 | 2021–2025 |
| The Bessemer Giving Fund | $100,000 | 1 | 2021 |
| American Express Foundation | $18,320 | 26 | 2020–2022 |
| Horejsi Charitable Foundation Inc | $5,000 | 1 | 2022 |
| The Foundation for Community and Health | $2,500 | 1 | 2025 |
| Chauncey Foundation | $1,000 | 1 | 2021 |
| The Cigna Group Foundation | $795 | 3 | 2022–2024 |
| IBM International Foundation | $60 | 1 | 2020 |
| Synchrony Foundation | $25 | 1 | 2020 |
Funding over time
Grant dollars and counts received per year
From 2020 to 2025, annual grant giving ranged from $5K (2024) to $266K (2020). In 2025 it made 2 grants totaling $73K.
What grants has Boyce Thompson Southwestern Arboretum received?
Individual grants from IRS Form 990 filings, newest first
| Year | Funder | Purpose | Amount |
|---|---|---|---|
| 2025 | Arizona Community Foundation | THIS AWARD IS FOR GENERAL SUPPORT | $70,000 |
| 2025 | The Foundation for Community and Health | 2025 GREEN GALA SPONSORSHIP | $2,500 |
| 2024 | Arizona Community Foundation | GENERAL SUPPORT | $5,250 |
| 2024 | The Cigna Group Foundation | GENERAL OPERATING PURPOSE | $125 |
| 2023 | Arizona Community Foundation | GENERAL SUPPORT | $20,000 |
| 2023 | The Cigna Group Foundation | GENERAL OPERATING PURPOSE | $100 |
| 2022 | Arizona Community Foundation | PROGRAM SUPPORT | $15,000 |
| 2022 | Horejsi Charitable Foundation Inc | GENERAL. BOPTANICAL GARDENS, ARBORETA | $5,000 |
| 2022 | The Cigna Group Foundation | GENERAL OPERATING PURPOSES | $570 |
| 2022 | American Express Foundation | GENERAL SUPPORT | $50 |
| 2022 | American Express Foundation | GENERAL SUPPORT | $40 |
| 2022 | American Express Foundation | GENERAL SUPPORT | $20 |
| 2021 | The Bessemer Giving Fund | GENERAL SUPPORT | $100,000 |
| 2021 | Arizona Community Foundation | PROGRAM SUPPORT | $5,000 |
| 2021 | Chauncey Foundation | Wallace Garden Annual Fund | $1,000 |
| 2021 | American Express Foundation | GENERAL SUPPORT | $1,000 |
| 2021 | American Express Foundation | GENERAL SUPPORT | $1,000 |
| 2021 | American Express Foundation | GENERAL SUPPORT | $60 |
| 2021 | American Express Foundation | GENERAL SUPPORT | $60 |
| 2021 | American Express Foundation | GENERAL SUPPORT | $50 |
| 2021 | American Express Foundation | GENERAL SUPPORT | $40 |
| 2021 | American Express Foundation | GENERAL SUPPORT | $20 |
| 2020 | Wallace Desert Gardens | FINAL CONTRIBUTION OF ASSETS PER TERMINATION AGREEMENT WITH BOYCE THOMPSON SOUTHWESTERN ARBORETUM | $250,000 |
| 2020 | American Express Foundation | GENERAL SUPPORT | $7,000 |
| 2020 | American Express Foundation | GENERAL SUPPORT | $7,000 |
| 2020 | American Express Foundation | GENERAL SUPPORT | $500 |
| 2020 | American Express Foundation | GENERAL SUPPORT | $500 |
| 2020 | American Express Foundation | GENERAL SUPPORT | $250 |
| 2020 | American Express Foundation | GENERAL SUPPORT | $250 |
| 2020 | American Express Foundation | GENERAL SUPPORT | $60 |
Showing 30 most recent of 41 recorded grants.
Frequently Asked Questions
Who funds Boyce Thompson Southwestern Arboretum?
Boyce Thompson Southwestern Arboretum is funded by 10 grantmakers, led by Wallace Desert Gardens ($250K), Arizona Community Foundation ($115K), The Bessemer Giving Fund ($100K). In total, IRS Form 990 filings record $493K in grants to Boyce Thompson Southwestern Arboretum between 2020–2025.
Who is Boyce Thompson Southwestern Arboretum's largest funder?
Wallace Desert Gardens is the largest recorded funder of Boyce Thompson Southwestern Arboretum, with $250K across 1 grant (2020).
How much grant funding has Boyce Thompson Southwestern Arboretum received?
IRS 990 filings record $493K in grants to Boyce Thompson Southwestern Arboretum across 41 grants from 10 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.
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