Nonprofit · EIN 23-7037310
TUCSON BOTANICAL GARDENS
Tax-exempt · TUCSON, AZ 85712
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $6,219,248 | $3,756,779 | $2,462,469 | $12,240,114 | $1,278,358 | $10,961,756 |
| June 30, 2024 | 990 | $3,905,392 | $3,218,044 | $687,348 | $9,123,756 | $641,958 | $8,481,798 |
| June 30, 2023 | 990 | $3,705,958 | $2,747,307 | $958,651 | $8,382,188 | $679,302 | $7,702,886 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $3,500,092
- of which government grants
- $55,250
- Program service revenue
- $2,406,336
- Investment income
- $344,747
- Net rental income
- -$118
- Net gain from sales of assets
- $182,104
- Net income from sales of inventory
- -$40,671
- Other revenue
- -$31,927
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $321,125
- Other salaries and wages
- $1,260,675
- Salaries, compensation and benefits (total)
- $1,836,591
- Professional fundraising fees
- $121,960
- Legal fees
- $313
- Accounting fees
- $27,395
- Occupancy
- $210,668
- Travel
- $6,622
- Depreciation
- $311,564
- Program services (functional)
- $2,966,944
- Management and general (functional)
- $261,265
- Fundraising (functional)
- $528,570
Balance sheet and other
- Total assets, start of year
- $9,123,756
- Total assets, end of year
- $12,240,114
- Total liabilities, end of year
- $1,278,358
- Net assets, end of year
- $10,961,756
- Land, buildings and equipment
- $5,459,756
- Publicly traded securities
- $2,640,058
- Net assets without donor restrictions
- $8,951,859
- Net assets with donor restrictions
- $2,009,897
- Gross unrelated business income
- -$346
- Gross receipts
- $11,373,279
- Employees
- 60
- Volunteers
- 160
- Year formed
- 1968
- State of legal domicile
- AZ
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MICHELLE CONKLIN | CEO/PRESIDEN Officer | 40 | $206,942 | $1,376 |
| LYNN RICHARDS | FINANCE DIRE Officer | 40 | $94,909 | $7,651 |
| STEVE BOSSE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ARCH BROWN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DAN CHAVEZ | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| LYUDA EISENMAN CPA | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JAYNE HENNINGER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| WILLIAM LAMEAR | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MICHAEL LEX | PAST CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| JEFFREY LURIA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOAN MCGANN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| ANNE SEGAL | DIRECTOR Trustee or director | 1 | $0 | $0 |
| LISA OWENS-SREDZINSKI | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOHN SMITH | DIRECTOR Trustee or director | 1 | $0 | $0 |
| VICKY STROMEE | DIRECTOR Trustee or director | 1 | $0 | $0 |
2 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARIA VORIS | DIRECTOR Trustee or director | 1 | $0 |
| ELLEN WHEELER | CHAIR Trustee or director, Officer | 2 | $0 |
990 for the year ended June 30, 2024: 20 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MICHELLE CONKLIN | CEO Officer | 40 | $171,991 | $1,364 |
| LYNN RICHARDS | FINANCE DIRE Officer | 40 | $82,828 | $7,750 |
| ELLEN WHEELER | CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| DAN CHAVEZ | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| LYUDA EISENMAN | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JOAN MCGANN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| MICHAEL LEX | DIRECTOR Trustee or director | 2 | $0 | $0 |
| ARCH BROWN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| STEVE BOSSE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JAYNE HENNINGER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| WILLIAM LAMEAR | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MICHAEL LURIA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| RITA POWER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ANNE FISHER SEGAL | DIRECTOR Trustee or director | 1 | $0 | $0 |
| LISA OWENS SREDZINSKI | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOHN SMITH | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DEIDRA SPINKS | DIRECTOR Trustee or director | 1 | $0 | $0 |
| VICKY STROMEE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| CHRISTINE SZUTER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MARIA VORIS | DIRECTOR Trustee or director | 1 | $0 | $0 |
990 for the year ended June 30, 2023: 20 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| MICHELLE CONKLIN | EXECUTIVE DI Officer | 40 | $138,142 | $1,233 |
| LYNN RICHARDS | FINANCE DIRE Officer | 40 | $80,009 | $7,040 |
| MICHAEL LEX | PRESIDENT Trustee or director, Officer | 2 | $0 | $0 |
| KATHARINE KENT | PAST PRESIDE Trustee or director, Officer | 2 | $0 | $0 |
| ELLEN WHEELER | VICE-PRESIDE Trustee or director, Officer | 2 | $0 | $0 |
| LYUDA EISENMAN CPA | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| JOAN MCGANN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| ARCH BROWN | DIRECTOR Trustee or director | 2 | $0 | $0 |
| STEVE BOSSE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DAN CHAVEZ | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JAYNE HENNINGER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| WILLIAM LAMEAR | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MICHAEL LURIA | DIRECTOR Trustee or director | 1 | $0 | $0 |
| RITA POWER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| ANNE FISHER SEGAL | DIRECTOR Trustee or director | 1 | $0 | $0 |
| LISA OWENS-SREDZINSKI | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOHN SMITH | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DEIDRA SPINKS | DIRECTOR Trustee or director | 1 | $0 | $0 |
| VICKY STROMEE | DIRECTOR Trustee or director | 1 | $0 | $0 |
| CHRISTINE SZUTER | DIRECTOR Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 2150 N ALVERNON WAY, TUCSON, AZ 85712-3153
- Principal officer (990 for 2024)
- ELLEN WHEELER, 2150 N ALVERNON WAY, TUCSON, AZ 85712
- Signed the 990
- ELLEN WHEELER, CHAIR
- Phone
- (520) 326-9686
- Website
- WWW.TUCSONBOTANICAL.ORG
- Return prepared by
- LUDWIG KLEWER & RUDNER PLLC
Mission
TUCSON BOTANICAL GARDENS CONNECTS PEOPLE WITH PLANTS AND NATURE THROUGH ART, SCIENCE, HISTORY AND CULTURE.
Program accomplishments
- IN 2025, TUCSON BOTANICAL GARDENS (TBG) PLACED 4TH IN USA TODAY'S TOP 10 BEST BOTANICAL GARDENS FOR THE 3RD YEAR. FOR YEARS TBG HAS BEEN AWARDED THE BEST BOTANICAL GARDEN IN TUCSON BY THE COMMUNITY. WITH OVER 7,000 PLANTS AND 17 SPECIFIC GARDENS, TBG IS THE ONLY PUBLIC GARDEN THAT BOASTS A PLANT & PESTICIDE CARE PROGRAM THAT IS 100% ORGANIC. TBG ATTRACTS OVER 175,000 GUESTS A YEAR, HAS OVER 6,000 MEMBER HOUSEHOLDS, PROGRAMS, 4 GALLERIES, CURATES A LIVE TROPICAL BUTTERFLY & ORCHID EXHIBIT, AS WELL AS MANAGES GIFT SHOPS AND EDNA'S CAF.Expenses $1,301,421 · revenue $1,315,969
- TBG OFFERS CLASSES, WORKSHOPS & LECTURES TO PEOPLE OF ALL AGES, ABILITIES & BACKGROUNDS. IN ADDITION TO ADULT AND CHILDREN'S EDUCATIONAL PROGRAMS, TBG MANAGES THE ONLY FORMALIZED HORTICULTURAL THERAPY PROGRAM WORKING WITH PEOPLE WITH DISABILITIES. ADDITIONALLY, TBG OFFERS EVENTS THROUGHOUT THE YEAR THAT HIGHLIGHT TOPICS OF EDUCATIONAL AND CULTURAL INTEREST TO THE COMMUNITY. AN ANNUAL LECTURE SERIES IS PROVIDED TO BROADEN THE IMPACT OF THE ONSITE EXHIBITS AS WELL AS TOUR GUIDES.Expenses $808,704 · revenue $148,577
- SPECIAL EXHIBITS: A TUCSON FAMILY TRADITION, THE 3RD YEAR OF THE HOLIDAY LIGHT SHOW, LIGHTSUP WAS A SUCCESS AND ATTRACTS PEOPLE FROM ACROSS ARIZONA AND BEYOND. IN THE FALL THE FIESTA DE LOS ANIMALES WAS INSTALLED AS THE INITIAL PHASE OF THE FRIDA'S GARDEN EXHIBIT. OTHER EXHIBITS FEAUTURED THE WORK OF TOM COLLAZO, JOHN BENEDICT, QUILT FOR A CAUSE, SUSAN ELLENBOGEN, LUCY MASTERMAN, AMERIND FOUNDATION'S INDIGENOUS ART IN AN ABUNDANT LAND, THE MEXICAN CONSUL'S CHILDREN'S ART SHOW THIS IS MY MEXICO, AND THE CURIOUS ALLIES ASBA 5TH TRIENNIAL SHOW.Expenses $714,439 · revenue $657,985
- TUCSON BOTANICAL GARDENS HOSTS WEDDINGS AND OTHER PRIVATE EVENTS AS PART OF OUR PROGRAM OFFERINGS.Expenses $142,380
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 23-7037310
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (509(a)(2))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1970
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C410)
- Assets (IRS master file)
- $12,240,114
- Income (IRS master file)
- $11,373,279
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $6,219,248 | $3,756,779 | $12,240,114 | XML |
| 990-T | June 2025 | – | – | – | IRS |
| 990 | June 2024 | $3,905,392 | $3,218,044 | $9,123,756 | XML |
| 990-T | June 2024 | – | – | – | IRS |
| 990 | June 2023 | $3,705,958 | $2,747,307 | $8,382,188 | XML |
| 990-T | June 2023 | – | – | – | IRS |
| 990 | June 2022 | $3,474,163 | $2,188,535 | $7,479,246 | IRS |
| 990-T | June 2022 | – | – | – | IRS |
| 990 | June 2021 | – | – | – | IRS |
| 990-T | June 2021 | – | – | – | IRS |
| 990 | June 2020 | – | – | – | IRS |
| 990 | June 2019 | – | – | – | IRS |
| 990 | June 2018 | – | – | – | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 23-7037310).
Questions about TUCSON BOTANICAL GARDENS
- What is the EIN of TUCSON BOTANICAL GARDENS?
- The employer identification number (EIN) of TUCSON BOTANICAL GARDENS is 23-7037310.
- Is TUCSON BOTANICAL GARDENS tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1970.
- Are donations to TUCSON BOTANICAL GARDENS tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does TUCSON BOTANICAL GARDENS file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of TUCSON BOTANICAL GARDENS due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did TUCSON BOTANICAL GARDENS last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of TUCSON BOTANICAL GARDENS?
- The 990 for the year ended June 30, 2025 names ELLEN WHEELER.
- Who are the officers and directors of TUCSON BOTANICAL GARDENS?
- The 990 for the year ended June 30, 2025 lists 17 people; 2 received compensation from the organization, the highest $206,942 (MICHELLE CONKLIN, CEO/PRESIDEN).
- How much revenue does TUCSON BOTANICAL GARDENS have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $6,219,248, expenses of $3,756,779 and total assets of $12,240,114 at year end.
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