Public Charity

NATIONAL TROPICAL BOTANICAL GARDEN

NATIONAL TROPICAL BOTANICAL GARDEN is a nonprofit organization categorized as Public Charity based in KALAHEO, HI. Its most recent IRS filing (2024) reports revenue of $29.2M, expenses of $14.4M, total assets of $98.8M. Imperigo tracks 88 reported grant relationships connected to this organization totaling approximately $6.9M.

EIN: 526057064 KALAHEO, HI Latest filing: 2024
Total Revenue$29.2M
Total Expenses$14.4M
Total Assets$98.8M
Grant Records88
Funding Total$6.9M
Filing Years2019–2024

Mission

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

Sample Grants Received

2025
GENERAL OPERATIONAL SUPPORT
$450,906
2024
N. shore watershed flood mitigation
$760,000
2024
GENERAL OPERATIONAL SUPPORT
$462,093
2024
ENDANGERED SPECIES COVID RELIEF
$193,134

Showing up to 5 of 88 total records — full history available with membership.

Officers & Directors

TRUSTEE Adaline H Frelinghuysen
TRUSTEE Anita Seipp
VICE CHAIR Anne G Earhart
TRUSTEE Carol Dickinson
TRUSTEE Catherine Topham
TRUSTEE Cynthia Salley

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL OPERATIONAL SUPPORT
$2,723,035 7 grants
N. shore watershed flood mitigation
$760,000 1 grant
ENVIRONMENT
$660,000 3 grants
EDUCATIONAL SUPPORT
$528,219 5 grants
ENVIRONMENTAL AND ANIMALS
$256,560 7 grants

Financial Trends

Year Revenue Expenses Assets
2024 $29.2M $14.4M $98.8M
2023 $12.9M $13.6M $81.9M
2022 $15.1M $12.9M $80.2M
2020 $8.6M $9.8M $75.8M
2019 $11.7M $11.2M $72.7M

Between 2019 and 2024, reported annual revenue grew from $11.7M to $29.2M (+150%), with total assets most recently reported at $98.8M.

Interactive year-over-year charts and full filing details available with membership.

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