Hawaii Tropical Botanical Garden logo

Hawaii Tropical Botanical Garden

Public charity · Grantmaker Papaikou, HI EIN: 99-0185842 Website

To protect and preserve the ecology, flora, fauna, and marine life of the onomea valley and its coastline and coastal waters. The garden is dedicated to the collection and display of the world's tropical plants, and to the education of both children and adults.

Hawaii Tropical Botanical Garden at a glance

In short: Hawaii Tropical Botanical Garden reported $5K in grants paid in 2025 (a total; its filing lists no individual grants). Source: 2025 IRS Form 990.

Grants paid (2025)
$5,100 — reported as a total on the IRS filing, without an itemized list
-84.5% vs 2024
Total assets
$10,743,036
+8.0% vs 2024
Revenue (2025)
$3,597,312
+2.5% vs 2024
Net investment income (2025)
$111,276
-10.4% vs 2024
Expenses (2025)
$2,825,276
-1.8% vs 2024
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated October 2026.

Who Hawaii Tropical Botanical Garden funds

How this funder distributes its grants

Grant Size Distribution

1 grant across all recorded years

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

The most common grant size was under $50K: 1 grant of 1 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Cities

HiloWashington

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K$40KTotal only2019 1 grant2020 Total only2021 Total only2022 Total only2023 1 grant2024 Total only2025

From 2019 to 2025, annual grant giving ranged from $500 (2023) to $33K (2024). In 2025 it reported $5K in grants paid, as a total without an itemized list.

Hatched bars: grants paid as reported on the IRS filing, which lists no individual grants for that year.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Friends of the Panaewa Zoo Hilo, HISupport$32,995
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2025$10,743,036$3,597,312$2,825,276$5,100Total only$111,276
2024$9,948,904$3,510,308$2,877,285$32,9951$124,130
2023$9,284,563$3,377,698$2,982,457$500Total only$254,318
2022$9,812,427$2,977,975$2,454,277$5,000Total only$36,118
2021$9,698,018$2,003,722$1,594,513$5,000Total only$325
2020$9,097,227$943,137$1,602,758$10,0001$52,042
2019$9,048,872$2,792,242$2,679,784$1,000Total only$258,130

"Total only": grants paid as reported on the IRS filing, which lists no individual grants for that year.

About Hawaii Tropical Botanical Garden

Based on IRS filings

Hawaii Tropical Botanical Garden is a public charity focused on Environment & Animals, based in Papaikou, HI. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $10.7M in total assets. In 2025, it reported $5K in grants paid as a total on its IRS filing, without an itemized list. Net investment income was $111K.

Leadership & Key People

Officers and directors from IRS filings

Hawaii Tropical Botanical Garden's 2025 filing lists 5 officers; 3 of 5 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Brooks Bauer

    Director

    On filings since 2019

    8 hrs/week

    No compensation reported

  • Dan Lutkenhouse Jr.

    Philanthropy

    Exec.dir & Cha → Chairperson, 2023

    Chairperson → Philanthropy, 2024

    On filings since 2019

    30 hrs/week

    $51K (2019) → $159K (2025)

  • Debara J. Lutkenhouse-Frost

    Executive Di

    Chairman → Director, 2022

    Director → Executive Di, 2023

    On filings since 2019

    70 hrs/week

    $51K (2019) → $373K (2025)

  • Gregory Ewald

    General Mana

    New on the 2025 filing

    40 hrs/week

    $155K (2025)

  • Mary Jane Govaerts

    Secretary

    On filings since 2019

    8 hrs/week

    No compensation reported

Former officers (2)
  • Former: Barbra Besse (2022–2023) — Director
  • Former: Kathleen Pudding Lassiter (2019–2022) — Director

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Debara J Lutkenhouse-Frost — Executive Di: $373KDebara J…Executive Di$373KDan Lutkenhouse Jr — Philanthropy: $159KDan Lutkenhouse JrPhilanthropy$159KGregory Ewald — General Mana: $155KGregory EwaldGeneral Mana$155K

The highest reported compensation on the 2025 filing was $373K, to Debara J Lutkenhouse-Frost (Executive Di). 3 officers or directors reported compensation on that filing.

Frequently asked questions about Hawaii Tropical Botanical Garden

How much does Hawaii Tropical Botanical Garden give each year?

Hawaii Tropical Botanical Garden reported $5K in grants paid in 2025 on its 2025 IRS Form 990, as a total without an itemized list of grants. In 2024 it gave $33K across 1 grant.

How large is Hawaii Tropical Botanical Garden?

Hawaii Tropical Botanical Garden reported $10.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $3.6M.

What is Hawaii Tropical Botanical Garden?

Hawaii Tropical Botanical Garden is a public charity focused on Environment & Animals, based in Papaikou, HI. It holds $10.7M in total assets as of 2025.

Where does Hawaii Tropical Botanical Garden operate?

Hawaii Tropical Botanical Garden has awarded grants in District of Columbia, Hawaii.

What is Hawaii Tropical Botanical Garden's EIN?

Hawaii Tropical Botanical Garden's EIN (Employer Identification Number) is 99-0185842. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated October 2026. Sourced from IRS Form 990 filings.

Data update history

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990 for fiscal year 2020 (received by the IRS November 10, 2021)
  2. Added Form 990 for fiscal year 2025 (received by the IRS April 29, 2026)
  3. Updated Form 990 for fiscal year 2024 (received by the IRS February 27, 2025)
  4. Added Form 990 for fiscal year 2019 (received by the IRS November 13, 2020)
  5. Updated Form 990 for fiscal year 2021 (received by the IRS November 10, 2022)
  6. Updated Form 990 for fiscal year 2022 (received by the IRS August 7, 2023)
  7. Updated Form 990 for fiscal year 2023 (received by the IRS April 16, 2024)
  8. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Hawaii Tropical Botanical Garden's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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