EIN 88-0061520

Boyce Thompson Southwestern Arboretum

IRS 501(c) type
501(c)(3)
Num. employees
14
State
Year formed
1938
Most recent tax filings
2023-06-01
NTEE code, primary
Description
Boyce Thompson Southwestern Arboretum is a private foundation located in Superior, AZ. It was established in 1924 and is the oldest and largest botanical institution in AZ.
Total revenues
$3,258,881
2023
Total expenses
$3,424,289
2023
Total assets
$10,400,534
2023
Num. employees
14
2023

Program areas at Boyce Thompson Southwestern Arboretum

The Boyce Thompson Southwestern Arboretum (btsa) is Arizona's oldest and largest botanical institution. It was established in 1924 by the founder of magma mining company, william Boyce Thompson, for the purpose of "instilling in people an appreciation of plants." Btsa is now visited by over 120,000 people annually.located an hour east of Arizona's state capital, btsa covers 350 acres with 135 acres of cultivated gardens from deserts around the world encompassing 4,025 taxa and 20,000 plants.btsa's activities were cooperatively managed by Boyce Thompson Southwestern Arboretum, inc., Arizona state parks, and the university of Arizona; that arrangement ceased to exist by the close of fiscal year 2019. Btsa is now managed solely by the nonprofit btsa.
Revenue generated from admission fees charged to visit the Arboretum.
Revenue generated from the sales of desert plant magazines.
Other revenue generated in furtherance of the tax-exempt purpose.
Membership dues charged to members of the organization.
Sale of educational items and items that encourage the public's
Exploration of, and interaction with, plant life.

Who funds Boyce Thompson Southwestern Arboretum

Grants from foundations and other nonprofits
GrantmakerDescriptionAmount
Wallace Desert GardensFinal Contribution of Assets Per Termination Agreement With Boyce Thompson Southwestern Arboretum$250,000
American Online Giving FoundationGeneral Support$22,635
Arizona Community FoundationGeneral Support$20,000
...and 5 more grants received

Personnel at Boyce Thompson Southwestern Arboretum

NameTitleCompensation
Kim GrayExecutive Director
Leslie H BunchekFinance Director / Finance Manager / Finance Department$71,769
Sharon ElliottDirector of Marketing / Membership Manager$67,865
Allison LesterDirector of Development$105,846
Leonard DraytonFacilities Director / Facilities Departmen$57,535
...and 2 more key personnel

Financials for Boyce Thompson Southwestern Arboretum

RevenuesFYE 06/2023
Total grants, contributions, etc.$549,232
Investment income and dividends$140,362
Net rental income$34,115
Net gain from sale of non-inventory assets$35,662
Gross sales of inventory$467,632
Miscellaneous revenues$2,031,878
Total revenues$3,258,881

Form 990s for Boyce Thompson Southwestern Arboretum

Fiscal year endingDate received by IRSFormPDF link
2023-062024-05-14990PFView PDF
2022-062024-05-13990PFView PDF
2022-062023-05-15990PFView PDF
2021-062022-05-12990PFView PDF
2020-062021-06-23990PFView PDF
...and 14 more Form 990s

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Gold Crest Retirement CenterAdams, NE$5,417,881
Louisville Protestant AltenheimLouisville, KY$3,189,748
Colorado Health InstituteDenver, CO$7,260,002
Data update history
August 12, 2024
Posted financials
Added Form 990PF for fiscal year 2023
August 4, 2024
Updated personnel
Identified 2 new personnel
July 13, 2024
Used new vendors
Identified 2 new vendors, including , and
May 18, 2024
Received grants
Identified 2 new grant, including a grant for $22,635 from American Online Giving Foundation
March 29, 2024
Used new vendors
Identified 1 new vendor, including
Nonprofit Types
Private foundationsPrivate operating foundationsExempt operating foundationsCharities
Issues
Environment
Characteristics
MembershipsPartially liquidatedState / local levelTax deductible donationsAccepts online donations
General information
Address
37615 E Arboretum Way
Superior, AZ 85173
Metro area
Phoenix-Mesa-Chandler, AZ
County
Pinal County, AZ
Website URL
btarboretum.org/ 
Phone
(520) 689-2723
IRS details
EIN
88-0061520
Fiscal year end
June
Taxreturn type
Form 990-PF
Year formed
1938
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
T20: Private Foundations
NAICS code, primary
813211: Grantmaking Foundations
Parent/child status
Independent
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