National Tropical Botanical Garden logo

National Tropical Botanical Garden

KALAHEO, HI EIN: 52-6057064 Website

TO ENRICH LIFE BY PERPETUATING TROPICAL PLANTS, ECOSYSTEMS AND CULTURAL HERITAGE THROUGH DISCOVERY, SCIENTIFIC RESEARCH, CONSERVATION, AND EDUCATION.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$98.8M

+20.6% YoY

Annual Giving

$7K

Grant Count

1

Avg Grant Size

$7K

About National Tropical Botanical Garden

Based on IRS filings

National Tropical Botanical Garden is a nonprofit organization focused on Environment & Animals, based in KALAHEO, HI. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $98.8M in total assets. In 2024, it awarded 1 grants totaling $7K. Net investment income was $2.6M.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

1states

States

Cities

Miami

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$8M$16M$24M$32M20202021202220232024
Metric202420232022
Total Assets$98,830,821$81,941,242$80,182,510
Revenue$29,167,793$12,932,790$15,141,654
Expenses$14,417,543$13,631,747$12,903,414
Qualifying Distributions
Net Investment Income$2,599,535$1,541,270$3,442,147
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$2K$4K$5K$7K0 grants20200 grants20210 grants20220 grants20231 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 1 recipients in 2024

FLORIDA INTERNATIONAL UN…$7K

Grant Size Distribution

1 grants across all recorded years

1<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Florida International University ($7,000).

RecipientPurposeAmount
FLORIDA INTERNATIONAL UNIVERSITY MIAMI, FLSUPPORT OF HIGHSCHOOL INTERN PROGRAM$7,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

JANET L MAYFIELDCEO & DIRECTOR$173KTAMARA A ROLLINSCFO$131K

From 2024 filing

NameTitleHoursCompensation
DEVON ANGELINITRUSTEE1
GORDON L DEANECHAIRMAN2
JAN D ELLIOTTSECRETARY1
HARRIET FRAUNFELTERTRUSTEE1
ADALINE H FRELINGHUYSENTRUSTEE1
PETER C GARDNERTRUSTEE1
EMERSON KNOWLESTRUSTEE2
DR LINFORD L LOUGHHEEDTRUSTEE1
MERRILL L MAGOWANTRUSTEE2
DAVID RAETRUSTEE1
KATHERINE G RICHARDSONSENIOR VICE CHAIR2
CYNTHIA SALLEYTRUSTEE1
PATRICIA W SHEEHANTRUSTEE1
ANITA SEIPPTRUSTEE1
CATHERINE TOPHAMTRUSTEE1
ROBERT D WEISTTRUSTEE1
THOMAS D HEWITTPRIOR CHAIRMAN1
MICHAEL N ROSENBERG DDSTRUSTEE1
ANNE G EARHARTVICE CHAIR1
ELIZABETH E MATTHEWSTRUSTEE1
CAROL DICKINSONTRUSTEE1
PHYLISS EVANS SWINDELLSTRUSTEE1
SAM 'OHU GON III PHDTRUSTEE1
DR CHRISTOPHER D TURNERTRUSTEE1
JANET L MAYFIELDCEO & DIRECTOR60$173,319
TAMARA A ROLLINSCFO60$130,590

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is National Tropical Botanical Garden?

National Tropical Botanical Garden is a nonprofit organization focused on Environment & Animals, based in KALAHEO, HI. It holds $98.8M in total assets as of 2024.

How large is National Tropical Botanical Garden?

As of 2024, National Tropical Botanical Garden holds $98.8M in total assets with $29.2M in annual revenue. It awarded 1 grants totaling $7K in 2024.

Where does National Tropical Botanical Garden operate?

National Tropical Botanical Garden has awarded grants in Florida.

What size grants does National Tropical Botanical Garden award?

In 2024, National Tropical Botanical Garden awarded 1 grants totaling $7K — an average of about $7K per grant, based on its IRS Form 990 filings.

What is National Tropical Botanical Garden's EIN?

National Tropical Botanical Garden's EIN (Employer Identification Number) is 52-6057064. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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