Houston Botanic Garden

Nonprofit · Grant recipient Houston, TX EIN 04-3695294

Funding Overview

From IRS Form 990 filings · 2022–2025

Total received

$8.9M

Foundation funders

88

Grants recorded

200

Years covered

2022–2025

Who funds Houston Botanic Garden?

Houston Botanic Garden is funded by 88 grantmakers, led by Garver Black Hilyard Family Foundation ($2.1M), Melbern G & Susanne M Glasscock ($1.7M), The Brown Foundation Inc ($1.1M). In total, IRS Form 990 filings record $8.9M in grants to Houston Botanic Garden between 2022–2025.

FunderTotal givenGrantsYears
Garver Black Hilyard Family Foundation$2,097,55062022–2025
Melbern G & Susanne M Glasscock$1,665,00072022–2025
The Brown Foundation Inc$1,119,000312022–2025
The Marie M and James H Galloway$500,00042022–2025
The Susan Vaughan Foundation Inc$300,00042022–2025
Greater Houston Community Foundation$276,00032022–2024
The John M O'Quinn Foundation$275,00042022–2024
CenterPoint Energy Foundation Inc$225,00052022–2025
The Powell Foundation$200,00042022–2025
The Elkins Foundation$180,00042022–2025
National Philanthropic Trust$159,50022024–2025
Hamill Foundation$125,00022023–2024
River Oaks Garden Club$116,20022023–2025
Sterling-Turner Foundation$115,00032022–2024
Houston Jewish Community Foundation$113,95042022–2025
Vivian L Smith Foundation$105,00062022–2025
Austin Blake Howell Foundation$100,00012023
Willard And Ruth Johnson$97,50032022–2024
Gordon a Cain Foundation$93,00022022–2023
Kinder Foundation$75,00032023–2025
Huffington Foundation$75,00032022–2024
Houston Livestock Show and Rodeo Educational Fund$50,00012025
John R Eckel Jr Foundation$50,00022023–2024
Ting Tsung & Wei Fong Chao Foundation$50,00012023
Edward J Hudson Jr Foundation$50,00012022
Show all 88 funders
The WT & Louise J Moran Foundation$45,00022023–2024
Dickson-Allen Foundation$32,50032022–2024
The Nancy and Clive Runnells Foundation$30,00022023–2024
Halliburton Charitable Foundation$30,00022023–2024
Keith & Mattie Stevenson Foundation$28,00032023–2025
MD Anderson Foundation$25,00012024
Ed Rachal Foundation$25,00012023
The Glassell Family Foundation Inc$25,00012023
Albert and Margaret Alkek Foundation$25,00012022
Harry S & Isabel C Cameron Foundation$23,00032023–2025
John P McGovern Foundation$20,00012024
Strake Foundation$20,00022023–2024
Union Pacific Foundation$20,00022023–2024
Carl & Phyllis Detering Foundation$20,00012023
Meinig Family Foundation$20,00012023
Greentree Fund$18,00032023–2025
The Ralph H and Ruth J McCullough$15,00032023–2025
The Junior League of Houston Inc$15,00012023
The Clayton Fund Inc$15,00012022
Garden Club of Houston$10,00012025
Natl Christian Charitable Fdn Inc$10,00012024
The Crain Foundation$10,00022023–2024
Doggett Family Foundation$10,00022023–2024
Harvey R Houck Jr and Patricia W$10,00022023–2024
Alice Kleberg Reynolds Meyer Foundat A0479800$10,00022023–2024
Hobby Family Foundation$10,00012023
The Holthouse Foundation for Kids$10,00012023
Apache Foundation$9,70122023–2024
The O' Sullivan Family Foundation$9,21522023–2024
Albert & Ethel Herzstein$9,00022023–2024
Felvis Foundation$8,75022023–2024
The Bookout Family Foundation$7,50022023–2024
Communities Foundation of Texas Inc$7,20012023
Webber Foundation$5,25012024
Gessner Family Foundation$5,00012025
MK2 Foundation$5,00012025
J Squared Family Foundation$5,00012024
William S & Lora Jean Kilroy Foundation$5,00012024
ESB3 Foundation$5,00012023
The Sydnor Olga Oden Foundation$5,00012023
LykesKnapp Family Fund$5,00012023
The JBD Foundation$4,40012023
Patricia Lewis Zoch Children's$4,40012023
Shell USA Company Foundation$3,90222023–2024
The Marie Bel Fay Fund$3,25012024
The Kevin and Lesley Lilly Foundation$3,00012023
Taub Foundation$2,50012025
Poarch Family Foundation$2,50012024
James and Molly Crownover Foundation$2,50012023
H Fort Flowers Foundation$2,00022024–2025
Good Earth Foundation$2,00012024
The RR Family Foundation$2,00022023–2024
The Robert L and Jean Clarke Family Foundation$1,50012024
William & Karen Tell Foundation$1,00022023–2024
Alvin & Lucy Owsley Foundation$1,00012023
Aron S & Anaruth P Gordon Foundation$50012025
The Prioleau Family Foundation$50012024
Meyer and Ida Gordon Foundation$50012024
The SKLAR Family Foundation$50012023
The OTT Family Foundation$43512024
Adler Foundation$30022023–2024
Edith Fbondi Foundation$27812025
The Teal Foundation$10012023

Funding over time

Grant dollars and counts received per year

$0$1M$2M$3M26 grants2022 81 grants2023 67 grants2024 26 grants2025

From 2022 to 2025, annual grant giving ranged from $1.6M (2025) to $2.7M (2022). In 2025 it made 26 grants totaling $1.6M.

What grants has Houston Botanic Garden received?

Individual grants from IRS Form 990 filings, newest first

YearFunderPurposeAmount
2025Garver Black Hilyard Family FoundationGeneral Charitable Purposes$519,400
2025The Susan Vaughan Foundation IncFOR GENERAL OPERATING SUPPORT$200,000
2025Melbern G & Susanne M GlasscockUNRESTRICTED$200,000
2025The Brown Foundation IncOperating Support$150,000
2025National Philanthropic TrustENVIRONMENT, ANIMALS$143,000
2025The Marie M and James H GallowayGENERAL FUND$100,000
2025The Powell FoundationConservation: Connecting People to Nature$50,000
2025The Elkins FoundationIN SUPPORT OF BIO-DIVERSIFICATION AND SUSTAINING ESSENTIAL ECOSYSTEMS$50,000
2025Houston Livestock Show and Rodeo Educational FundGRANTS$50,000
2025Houston Jewish Community FoundationGeneral Support$28,500
2025Kinder FoundationGENERAL FUND$25,000
2025CenterPoint Energy Foundation IncGENERAL DONATION$25,000
2025Vivian L Smith FoundationGENERAL OPERATIONS$25,000
2025River Oaks Garden ClubProgram support$12,200
2025Keith & Mattie Stevenson FoundationGENERAL PURPOSE$10,000
2025Garden Club of HoustonIris garden$10,000
2025Harry S & Isabel C Cameron FoundationGeneral Support$7,000
2025The Ralph H and Ruth J McCulloughUNRESTRICTED$5,000
2025Gessner Family FoundationUNRESTRICTED CONTRIBUTION$5,000
2025MK2 FoundationCOMMUNITY BETTERMENT$5,000
2025Vivian L Smith FoundationGENERAL OPERATIONS$5,000
2025Taub FoundationSUPPORT GARDEN CONSERVATION$2,500
2025Greentree FundBENEFITING GARDEN & NATURAL WILDLIFE$1,500
2025H Fort Flowers FoundationUNRESTRICTED DONATION$1,000
2025Aron S & Anaruth P Gordon FoundationGENERAL PURPOSE$500
2025Edith Fbondi FoundationEDUCATION$278
2024Garver Black Hilyard Family FoundationGeneral Charitable Purposes$359,350
2024Melbern G & Susanne M GlasscockUNRESTRICTED$300,000
2024The Marie M and James H GallowayGENERAL FUND$200,000
2024The Brown Foundation IncOperating Support$150,000

Showing 30 most recent of 200 recorded grants.

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Frequently Asked Questions

Who funds Houston Botanic Garden?

Houston Botanic Garden is funded by 88 grantmakers, led by Garver Black Hilyard Family Foundation ($2.1M), Melbern G & Susanne M Glasscock ($1.7M), The Brown Foundation Inc ($1.1M). In total, IRS Form 990 filings record $8.9M in grants to Houston Botanic Garden between 2022–2025.

Who is Houston Botanic Garden's largest funder?

Garver Black Hilyard Family Foundation is the largest recorded funder of Houston Botanic Garden, with $2.1M across 6 grants (2022–2025).

How much grant funding has Houston Botanic Garden received?

IRS 990 filings record $8.9M in grants to Houston Botanic Garden across 200 grants from 88 funders between 2022–2025. Filings are published on a delay, so recent grants may not appear yet.

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