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· Public charity

Center for Plant Conservation Inc

Safeguard and conserve imperiled native plants by advancing science-based practices, connecting and empowering plant conservationists, and inspiring people to protect biodiversity for future generations.

$645k
Granted FY2025still arriving
27
Grants FY2025still arriving
15
States reached
$73k
Largest
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Environment$1.3MFood & Nutrition$274kEducation$163kAnimals$88kArts & Culture$64kPublic Benefit$13k
02FY2025 · 27 grants

Where the money goes

Grants by size, and the largest recipients.

How this is measured
The 27 grants below total $533,862, the rows itemized in this filing. The $644,775 headline is the total grant expense on the return; the other $110,913 is giving the schedule does not break out (grants under the $5,000 itemization floor, grants to individuals, grants on other schedules). Every figure below describes the itemized rows only.

By grant size · FY2025

  • Under $10k11 grants · $78k
  • $10k–50k14 grants · $321k
  • $50k–250k2 grants · $134k
$11,500
Median grant
15
States reached
$12M
Total assets
Largest grants
RecipientAmount
CALIFORNIA BOTANIC GARDEN$73,486
SAN DIEGO ZOO WILDLIFE ALLIANCE$61,000
UCSC ARBORETUM AND BOTANICAL GARDEN NATIVE PLANT PROGRAM$45,500
UNIVERSITY OF WASHINGTON BOTANIC GARDEN$41,000
ATLANTA BOTANICAL GARDEN$36,977
FAIRCHILD TROPICAL BOTANIC GARDEN$34,710
THE ARBORETUM AT FLAGSTAFF- R$26,250
PORTLAND STATE UNIVERSITY FOUNDATION$22,425
MISSOURI BOTANICAL GARDEN$20,000
BOK TOWER GARDENS$18,400
UNIVERSITY OF CALIFORNIA AT BERKELEY BOTANIC GARDEN$18,324
THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION$12,340
RED BUTTE GARDEN & ARBORETUM$12,000
NORTH CAROLINA BOTANICAL GARDEN$11,500
DESERT BOTANICAL GARDEN$11,500
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Dollar for dollar, its grants (FY17–25) land where the poverty rate runs at 13%, against an area that typically sits at 11%. 78% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%DESERT BOTANICAL GARDEN: $16k → 11%THE ARBORETUM AT FLAGSTAFF- R: $26k → 16%NATIVE PLANT TRUST: $19k → 8%UNIVERSITY OF CALIFORNIA AT BERKELEY BOTANIC GARDEN: $18k → 10%SAN DIEGO BOTANIC GARDEN: $14k → 11%UCSC ARBORETUM AND BOTANICAL GARDEN NATIVE PLANT PROGRAM: $46k → 13%MOJAVE DESERT LAND TRUST: $24k → 14%NATIONAL TROPICAL BOTANICAL GARDEN: $16k → 9%UH FOUNDATION: $17k → 9%FAIRCHILD TROPICAL BOTANIC GARDEN: $35k → 15%BOK TOWER GARDENS: $46k → 16%THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION: $19k → 19%MISSOURI BOTANICAL GARDEN: $20k → 21%PORTLAND STATE UNIVERSITY FOUNDATION: $20k → 12%INSTITUTE FOR APPLIED ECOLOGY: $25k → 18%NORTH CAROLINA BOTANICAL GARDEN: $21k → 13%ATLANTA BOTANICAL GARDEN: $37k → 13%UNITED STATES DEPT OF AGRICULTURE: $105k → 11%DENVER BOTANIC GARDENS: $19k → 12%UNIVERSITY OF WASHINGTON BOTANIC GARDEN: $41k → 9%FRIENDS OF LYON ARBORETUM: $17k → 9%CHICAGO BOTANIC GARDEN: $25k → 14%THE ARBORETUM AT FLAGSTAFF: $21k → 16%NATIVE PLANT TRUST: $13k → 8%UCSC ARBORETUM AND BOTANICAL GARDEN NATIVE PLANT PROGRAM: $26k → 13%CALIFORNIA BOTANIC GARDEN: $73k → 14%FAIRCHILD TROPICAL BOTANIC GARDEN: $24k → 15%BOK TOWER GARDENS: $23k → 16%THE FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION: $13k → 19%PORTLAND STATE UNIVERSITY FOUNDATION: $20k → 12%NORTH CAROLINA BOTANICAL GARDEN: $21k → 13%ATLANTA BOTANICAL GARDEN: $33k → 13%THE ARBORETUM AT FLAGSTAFF: $29k → 16%CALIFORNIA BOTANIC GARDEN: $23k → 14%FAIRCHILD TROPICAL BOTANIC GARDEN: $19k → 15%BOK TOWER GARDENS: $23k → 16%PORTLAND STATE UNIVERSITY FOUNDATION: $16k → 12%NORTH CAROLINA BOTANICAL GARDEN: $20k → 13%ATLANTA BOTANICAL GARDEN: $23k → 13%THE ARBORETUM AT FLAGSTAFF: $25k → 16%CALIFORNIA BOTANIC GARDEN: $22k → 14%FAIRCHILD TROPICAL BOTANIC GARDEN: $15k → 15%BOK TOWER GARDENS: $18k → 16%NORTH CAROLINA BOTANICAL GARDEN: $17k → 13%ATLANTA BOTANICAL GARDEN: $15k → 13%THE ARBORETUM AT FLAGSTAFF: $16k → 16%FAIRCHILD TROPICAL BOTANIC GARDEN: $13k → 15%THE ARBORETUM AT FLAGSTAFF: $15k → 16%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.

Which US states its grants reach

WA
IL
NY
MA
OR
OH
CA
CO
NE
MO
AZ
NM
NC
HI
GA
TX
FL
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

86%of every dollar goes to organizations it has funded before.
$2.1M · 27 repeat orgs$329k to everyone else

Grantees it renews have grown median revenue +28% since the first grant, against +24% for those funded once.

27 repeat relationships: 21 still active in FY2025, 6 since wound down; 6 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

27
13

Total granted

$2.1M
$237k

Median revenue growth · since first grant

+28%
+24%

Still filing today

93%
69%

New vs renewed · share of each year

In FY2025, 83% of grant dollars renewed an existing relationship; $92k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’17’18’19’20’21’22’23’24’25
EnvironmentEducationAnimalsPublic BenefitOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • MB
    MISSOURI BOTANICAL GARDEN BOARD OF TRUSTEES
    9× · 2017–2025 · $165k · revenue +11%
  • BT
    BOK TOWER GARDENS INC
    9× · 2017–2025 · $163k · revenue +21%
  • TZ
    Transition Zone Horticultural Inst
    9× · 2017–2025 · $160k · revenue +8%

Funded once

  • US
    UNITED STATES DEPT OF AGRICULTURE
    one grant, 2022 · $105k
  • TC
    THE CALIFORNIA DESERT LAND CONSERVANCYgraduated
    one grant, 2024 · $24k · revenue +385%
  • QB
    QUAIL BOTANICAL GARDENS FOUNDATION
    one grant, 2024 · $20k · revenue +12%
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Sonoma Botanical Garden
—
2
New York Botanical Garden

The new york botanical garden is a museum of plants and a scientific research center devoted to the study of plants and their uses. it is the garden's mission to improve public understanding of the natural world, horticulture, and the…

Environment
3
Phipps Conservatory and Botanical Gardens Inc

Phipps' mission is to inspire and educate all with the beauty and importance of plants, to advance sustainability and promote human and environmental well-being through action and research, and to celebrate its historic glasshouse.

Environment
4
Na 'Aina Kai Botanical Gardens
Philanthropy
5
Houston Botanic Garden

To enrich life through discovery, education, and the conservation of plants and the natural environment.

Environment
6
Minnesota Landscape Arboretum Foundation

To support charitable, plant-based scientific, and educational activities exclusively for the benefit of the minnesota landscape arboretum of the university of minnesota

Environment
7
Jenkins Arboretum & Gardens

The mission of the jenkins arboretum & gardens is to preserve natural, tranquil woodlands for community enjoyment, to showcase native plants and a world class collection of rhododendrons and azaleas, and to promote environmental…

Environment
8
Friends of Mounts Botanical Garden Inc

Mission: to inspire and educate through nature.vision: we envision our public garden as a nationally acclaimed attraction for residents and visitors alike. its cultural, social and educational activities will draw attendees to enjoy,…

Environment
9
San Francisco Botanical Garden Society At Strybing Arboretum

Gardens of golden gate park connects people to plants, the planet, and each other. the gardens offer educational and experiential programs for visitors and actively manages the living collections.

Environment
10
American Museum of Natural History

The museum's mission statement is: "to discover, interpret, and disseminate - through scientific research and education - knowledge about human cultures, the natural world, and the universe."

Arts & Culture
11
Boyce Thompson Southwestern Arboretum
—
12
Memphis Botanic Garden Foundation Inc

The memphis botanic garden exists to enhance lives by connecting people with nature to increase awareness and appreciation of our environment.

Environment
How this is measured
The grantee most central to the portfolio’s shape is Naples Botanical Garden Inc; the most unlike its peers is Ichauway Inc. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

38 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 38 of the 47 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

1
Load-bearing (≥25% of a budget)
6
Early backer (in before they grew)
38/38
Grantees still filing
30/38
Grew since first funded

Where the money sits, by cause and then by grantee

MISSOURI BOTANICAL GARDEN BOARD OF TRUSTEES: $164,950 · EnvironmentMISSOURI BOTANICAL GARDEN BOARD OF TRUSTEESTransition Zone Horticultural Inst: $160,300 · EnvironmentTransition Zone Horticultural InstRANCHO SANTA ANA BOTANIC GARDEN: $154,253 · EnvironmentRANCHO SANTA ANA BOTANIC GARDENFAIRCHILD TROPICAL BOTANIC GARDEN INC: $136,760 · EnvironmentFAIRCHILD TROPICAL BOTANIC GARDEN INCNORTH CAROLINA BOTANICAL GARDEN FOUNDATION: $130,625 · EnvironmentNORTH CAROLINA BOTANICAL GARDEN FOUNDATIONTHE ATLANTA BOTANICAL GARDEN INC: $118,577 · EnvironmentTHE ATLANTA BOTANICAL GARDEN INCNATIVE PLANT TRUST INC: $104,900 · EnvironmentNATIVE PLANT TRUST INCLYON ARBORETUM ASSOCIATION: $72,000 · EnvironmentTHE HOLDEN ARBORETUM: $67,500 · EnvironmentDESERT BOTANICAL GARDEN INC: $51,315 · EnvironmentINSTITUTE FOR APPLIED ECOLOGY: $51,050 · Environment+13 more: $264,503 · Environment+13 moreBOK TOWER GARDENS INC: $163,000 · OtherBOK TOWER GARDENS INCPORTLAND STATE UNIVERSITY FOUNDATION: $150,175 · OtherPORTLAND STATE UNIVERSITY FOUN…UNITED STATES DEPT OF AGRICULTURE: $105,000 · OtherUNITED STATES DEPT OF AGRICULT…UCSC ARBORETUM AND BOTANICAL GARDEN NATIVE PLANT PROGRAM: $71,250 · OtherUCSC ARBORETUM AND BOTANICAL G…WAIMEA ARBORETUM FOUNDATION: $49,500 · OtherWAIMEA ARBORETUM FOUNDATIONUNIVERSITY OF WASHINGTON: $41,000 · OtherUNIVERSITY OF WASHINGTON+7 more: $79,725 · Other+7 moreZOOLOGICAL SOCIETY OF SAN DIEGO: $141,335 · AnimalsCINCINNATI ZOO FOUNDATION INC: $7,800 · AnimalsNEW MEXICO BIOPARK SOCIETY INC: $6,000 · AnimalsPresident and Fellows of Harvard College: $50,000 · EducationFLORIDA STATE UNIVERSITY RESEARCH FOUNDATION INC: $44,065 · EducationUNIVERSITY OF HAWAII FOUNDATION: $23,800 · EducationUNIVERSITY OF CALIFORNIA BERKELEY FOUNDATION: $18,324 · EducationUNIVERSITY OF WASHINGTON FOUNDATION: $10,000 · EducationUC SANTA CRUZ FOUNDATION: $7,500 · EducationTHE MERCER SOCIETY: $38,600 · Public Benefit
Environment$1,476,733Other$659,650Animals$155,135Education$153,689Public Benefit$38,600

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetMISSOURI BOTANICAL GARDEN BOARD OF TRUSTEES: $164,950 over 9y, 0.1% of budgetBOK TOWER GARDENS INC: $163,000 over 9y, 0.7% of budgetTransition Zone Horticultural Inst: $160,300 over 9y, 4.3% of budgetRANCHO SANTA ANA BOTANIC GARDEN: $154,253 over 7y, 1.2% of budgetPORTLAND STATE UNIVERSITY FOUNDATION: $150,175 over 9y, 0.1% of budgetZOOLOGICAL SOCIETY OF SAN DIEGO: $141,335 over 6y, 0.0% of budgetFAIRCHILD TROPICAL BOTANIC GARDEN INC: $136,760 over 9y, 0.2% of budgetNORTH CAROLINA BOTANICAL GARDEN FOUNDATION: $130,625 over 9y, 1.4% of budgetTHE ATLANTA BOTANICAL GARDEN INC: $118,577 over 6y, 0.1% of budgetNATIVE PLANT TRUST INC: $104,900 over 9y, 0.4% of budgetLYON ARBORETUM ASSOCIATION: $72,000 over 9y, 38% of budgetTHE HOLDEN ARBORETUM: $67,500 over 9y, 0.1% of budgetDESERT BOTANICAL GARDEN INC: $51,315 over 5y, 0.1% of budgetINSTITUTE FOR APPLIED ECOLOGY: $51,050 over 4y, 0.5% of budgetPresident and Fellows of Harvard College: $50,000 over 8y, 0.0% of budgetFLORIDA STATE UNIVERSITY RESEARCH FOUNDATION INC: $44,065 over 3y, 0.1% of budgetNATIONAL TROPICAL BOTANICAL GARDEN: $43,000 over 3y, 0.1% of budgetTHE MERCER SOCIETY: $38,600 over 5y, 3.1% of budgetSANTA BARBARA BOTANIC GARDEN: $33,090 over 4y, 0.2% of budgetCHICAGO HORTICULTURAL SOCIETY: $33,025 over 2y, 0.0% of budgetDENVER BOTANIC GARDENS INC: $28,500 over 3y, 0.0% of budgetDENVER BOTANIC GARDENS ENDOWMENT: $27,260 over 2y, 0.3% of budgetUNIVERSITY OF HAWAII FOUNDATION: $23,800 over 2y, 0.0% of budgetTHE CALIFORNIA DESERT LAND CONSERVANCY: $23,774 over 1y, 0.9% of budgetQUAIL BOTANICAL GARDENS FOUNDATION: $20,254 over 1y, 0.2% of budgetUNIVERSITY OF CALIFORNIA BERKELEY FOUNDATION: $18,324 over 1y, 0.0% of budgetCalifornia Native Plant Society: $17,100 over 2y, 0.3% of budgetICHAUWAY INC: $15,000 over 2y, 0.1% of budgetThe Marie Selby Botanical Gardens Inc: $14,000 over 2y, 0.0% of budgetUNIVERSITY OF WASHINGTON FOUNDATION: $10,000 over 1y, 0.0% of budgetCINCINNATI ZOO FOUNDATION INC: $7,800 over 1y, 0.7% of budgetBROOKLYN BOTANIC GARDEN CORPORATION: $7,500 over 1y, 0.0% of budgetUC SANTA CRUZ FOUNDATION: $7,500 over 1y, 0.1% of budgetOmaha Botanical Center Inc: $6,000 over 1y, 0.1% of budgetNAPLES BOTANICAL GARDEN INC: $5,500 over 1y, 0.0% of budgetHi'ipaka LLC: $5,500 over 1y, 0.1% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds MISSOURI BOTANICAL GARDEN BOARD OF TRUSTEES ↗
  • Who funds BOK TOWER GARDENS INC ↗
  • Who funds Transition Zone Horticultural Inst ↗
  • Who funds RANCHO SANTA ANA BOTANIC GARDEN ↗
  • Who funds PORTLAND STATE UNIVERSITY FOUNDATION ↗
  • Who funds ZOOLOGICAL SOCIETY OF SAN DIEGO ↗
  • Who funds FAIRCHILD TROPICAL BOTANIC GARDEN INC ↗
  • Who funds NORTH CAROLINA BOTANICAL GARDEN FOUNDATION ↗
  • Who funds THE ATLANTA BOTANICAL GARDEN INC ↗
  • Who funds NATIVE PLANT TRUST INC ↗
  • Who funds LYON ARBORETUM ASSOCIATION ↗
  • Who funds THE HOLDEN ARBORETUM ↗
  • Who funds DESERT BOTANICAL GARDEN INC ↗
  • Who funds INSTITUTE FOR APPLIED ECOLOGY ↗
  • Who funds President and Fellows of Harvard College ↗
  • Who funds FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION INC ↗
  • Who funds NATIONAL TROPICAL BOTANICAL GARDEN ↗
  • Who funds THE MERCER SOCIETY ↗
  • Who funds SANTA BARBARA BOTANIC GARDEN ↗
  • Who funds CHICAGO HORTICULTURAL SOCIETY ↗
  • Who funds DENVER BOTANIC GARDENS INC ↗
  • Who funds DENVER BOTANIC GARDENS ENDOWMENT ↗
  • Who funds UNIVERSITY OF HAWAII FOUNDATION ↗
  • Who funds THE CALIFORNIA DESERT LAND CONSERVANCY ↗
  • Who funds QUAIL BOTANICAL GARDENS FOUNDATION ↗
  • Who funds UNIVERSITY OF CALIFORNIA BERKELEY FOUNDATION ↗
  • Who funds California Native Plant Society ↗
  • Who funds ICHAUWAY INC ↗
  • Who funds The Marie Selby Botanical Gardens Inc ↗
  • Who funds UNIVERSITY OF WASHINGTON FOUNDATION ↗
  • Who funds CINCINNATI ZOO FOUNDATION INC ↗

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

The Nature ConservancyVA12.8× affinity4 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Nature Conservancy · Ibm International Foundation · Vanguard Charitable Endowment Program · Jpmorgan Chase Foundation · The Blackbaud Giving Fund · Morgan Stanley Global Impact Funding Trust Inc · The Bank of America Charitable Foundation Inc · National Philanthropic Trust · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · American Online Giving Foundation Inc · Amazonsmile Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

How much its grantees rely on government

Each dot is one organization Center for Plant Conservation Inc funds: left to right is the share of its income from government, bottom to top the share from Center for Plant Conservation Inc. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 10%1%4%8%15%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →median 3%
  • Institute for Applied Ecology: 99% of income from government
  • President and Fellows of Harvard College: 7% of income from government
  • Fairchild Tropical Botanic Garden Inc: 4% of income from government
  • Naples Botanical Garden Inc: 3% of income from government
  • Native Plant Trust Inc: 3% of income from government
  • Bok Tower Gardens Inc: 1% of income from government
  • The Marie Selby Botanical Gardens Inc: 0% of income from government
  • Portland State University Foundation: 0% of income from government
no gov moneyreceives it· size = income
1get no government money at all
3report government grants on their 990 we could not trace to a source (not plotted)
1rely on government for over half their income
typical government reliance, FY20–25
How this is measured
Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 47 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990 e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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