The Pennsylvania Horticultural Society
The Pennsylvania Horticultural Society (PHS) is a Philadelphia-based public charity that uses horticulture to advance the health and well-being of the Greater Philadelphia region. Founded in 1827, it supports horticultural programs and public green spaces, and its 2025 filing reports grants to Pennsylvania recipients.
The Pennsylvania Horticultural Society at a glance
In short: The Pennsylvania Horticultural Society gave $848K across 10 grants in 2025 (avg $85K), mostly in Pennsylvania. 40% of 2025 grantees were new. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $848,120
- -10.6% vs 2024
- Grants made (2025)
- 10
- -16.7% vs 2024
- Average grant
- $84,812
- +7.3% vs 2024
- Median grant
- $13,776
- Total assets
- $74,418,121
- +9.7% vs 2024
- New grantees (estimate)
- 40% first-time grantees (4 of 10, 2025; small sample)
- Primary geography
- Pennsylvania (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Pennsylvania Horticultural Society
- Contact
Mailing address: 100 North 20Th Street 405, Philadelphia, PA 19103-1495
Phone: (215) 988-8800
Website: https://phsonline.org
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Pennsylvania Horticultural Society funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Meadowbrook Farm ($715K). Together the top 10 received $848K.
Grant Size Distribution
69 grants across all recorded years
The most common grant size was under $50K: 63 grants of 69 (91%).
Geographic Focus
Where this funder awards grants
PHS states that its work advances the well-being of the Greater Philadelphia region. Its 2025 reported grants all went to Pennsylvania recipients, including organizations and municipalities in Philadelphia and surrounding communities.
Grant Distribution by State
Share of 2025 grant dollars across all 10 itemized grants.
States
Cities
Is The Pennsylvania Horticultural Society open to new grantees?
40%
first-time grantees, 2025
In 2025, 4 of 10 grantees (40%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $12K; repeat grants $133K. How we count
Medians: $9K first-time, $18K repeat.
- 60% of 2025 grantees were also funded in 2024. Method
- Giving held roughly steady from 2022 to 2025 (−10%). Method
Estimate from itemized grant lists in IRS Form 990 filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $813K (2021) to $1.0M (2023). In 2025 it made 10 grants totaling $848K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Meadowbrook Farm Philadelphia, PA | General Support | $714,650 |
| Haverford Township Havertown, PA | General Support | $25,704 |
| Audubon Mid-Atlantic Norristown, PA | General Support | $24,383 |
| Perkiomen Watershed Conservancy Schwenksville, PA | General Support | $21,685 |
| Pennypack Ecological Restoration Trust Huntingdon Valley, PA | General Support | $14,373 |
| Heritage Conservancy Doylestown, PA | General Support | $13,179 |
| Riverbend Environmental Education Center Gladwyne, PA | General Support | $11,067 |
| Chester Ridley Crum Watersheds Association Edgemont, PA | General Support | $9,950 |
| Natural Lands Media, PA | General Support | $7,619 |
| Tookanytacony-Frankford Watershed Partnership Inc Philadelphia, PA | General Support | $5,510 |
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Financial History
Multi-year comparison from IRS filings
Amounts are from the listed filing years.
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $74,418,121 | $40,908,442 | $38,285,493 | $848,120 | 10 | $3,568,828 |
| 2024 | $67,824,072 | $34,269,996 | $35,496,464 | $948,900 | 12 | $2,211,455 |
| 2023 | $68,212,770 | $37,774,118 | $34,290,173 | $1,016,553 | 14 | $1,672,938 |
| 2022 | $64,787,595 | $28,256,226 | $35,923,919 | $941,170 | 19 | $2,208,226 |
| 2021 | $74,603,283 | $29,814,055 | $30,916,880 | $813,414 | 14 | $4,707,380 |
| 2020 | $63,270,119 | $25,561,112 | $27,452,543 | $847,926 | 11 | $2,907,810 |
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
PHS’s stated mission is to use horticulture to advance the health and well-being of the Greater Philadelphia region. Its programs include the Philadelphia Flower Show; public landscapes and gardens; educational workshops, lectures, tours, events, and publications; and tree-planting and watershed work. PHS reports that its Tree Tenders program trains volunteer groups to plant and care for trees, and that its Watersheds program provides funding and technical support to watershed-management nonprofits.
The 2025 filing lists grants for general support. Among the grantees, Perkiomen Watershed Conservancy describes its mission as conserving and protecting land and water resources through environmental education, watershed stewardship, and conservation programs. Pennypack Ecological Restoration Trust says it works to protect, restore, and preserve lands in the Central Pennypack Creek Valley. Heritage Conservancy describes its work as preserving and protecting open spaces, natural resources, and historic heritage. Meadowbrook Farm describes itself as a supporting organization of PHS and a garden estate that provides facilities for PHS educational programs and gardens.
Grantmaking
In filing year 2025, PHS reported 10 grants totaling $848,120. Grant amounts ranged from $5,510 to $714,650, with a median of $13,776. All reported grant dollars went to recipients in Pennsylvania, and each listed grant was for general support.
The largest grant was $714,650 to Meadowbrook Farm in Philadelphia. Other notable grants included $25,704 to Haverford Township, $24,383 to Audubon Mid-Atlantic, $21,685 to Perkiomen Watershed Conservancy, and $14,373 to Pennypack Ecological Restoration Trust. PHS also gave $13,179 to Heritage Conservancy, $11,067 to Riverbend Environmental Education Center, $9,950 to Chester Ridley Crum Watersheds Association, $7,619 to Natural Lands, and $5,510 to Tookany/Tacony-Frankford Watershed Partnership.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Matthew P. Rader as president; Margaret Sadler as chair; and Christine Henisee, James Jolinger, and Patricia Owens as vice-chairs. It also lists Sharrieff Ali, Wilfreta Baugh, Robert Fell, Rachael Ferraro, and David Fleischner as board members.
The Pennsylvania Horticultural Society is led by Matthew P. Rader, President on every filing since 2020; 11 of 35 officers listed in 2025 are compensated.
Officers on the 2025 filing
Matthew P. Rader
President
On filings since 2020
40 hrs/week
$331K (2020) → $459K (2025)
Margaret Sadler
Chair
Board Member → Chair, 2024
On filings since 2023
1 hr/week
No compensation reported
Nicholas Gerace
Senior Director of Operations
Director of Event Production & Ops → Senior Director of Operations, 2025
On filings since 2024
40 hrs/week
$141K (2024) → $139K (2025)
Seth Pearsoll
Creative Director & Vice President
On filings since 2024
40 hrs/week
$159K (2024) → $163K (2025)
Tamela Vieira
Executive Vice President & Treasurer
Vice President, Chief Financial & Administrator Officer → Executive Vice President & Treasurer, 2021
On filings since 2020
40 hrs/week
$172K (2020) → $257K (2025)
Elizabeth Allgood
Secretary
On filings since 2022
40 hrs/week
$13K (2022) → $77K (2025)
Patricia Gregory
Vice President of Shared Services
On filings since 2022
40 hrs/week
$160K (2022) → $198K (2025)
David Chrystal
Chief Development Officer
On filings since 2023
40 hrs/week
$166K (2023) → $195K (2025)
Gregory Zirbser
Vice President & Finance
On filings since 2024
40 hrs/week
$142K (2024) → $157K (2025)
Andrew Bunting
Vice President & Horticulture
New on the 2025 filing
40 hrs/week
$143K (2025)
Keith Green
Vice President & Healthy Neighorhoods
New on the 2025 filing
40 hrs/week
$149K (2025)
Robert Feinberg
Chief Marketing & Commn. Officer
New on the 2025 filing
40 hrs/week
$217K (2025)
Ann Donavan Marshall
Board Member
On filings since 2020
1 hr/week
No compensation reported
Christine Henisee
Vice Chair
On filings since 2020
1 hr/week
No compensation reported
Helen Horstmann
Board Member
On filings since 2020
1 hr/week
No compensation reported
James Jolinger
Vice Chair
Board Member → Vice Chair, 2022
On filings since 2020
1 hr/week
No compensation reported
Jason Vermillion
Board Member
Vice Chair → Board Member, 2022
On filings since 2020
1 hr/week
No compensation reported
Kenneth G. Wood
Board Member
Vice Chair → Board Member, 2021
On filings since 2020
1 hr/week
No compensation reported
Maria Wing
Board Member
On filings since 2020
1 hr/week
No compensation reported
Molly Morrison
Board Member
On filings since 2020
1 hr/week
No compensation reported
Robert Fell
Board Member
On filings since 2020
1 hr/week
No compensation reported
Hon'ble Lillian Harris Ransom
Board Member
On filings since 2021
1 hr/week
No compensation reported
Sharrieff Ali
Board Member
On filings since 2021
1 hr/week
No compensation reported
Wilfreta Baugh
Board Member
On filings since 2021
1 hr/week
No compensation reported
Brett Glowacki
Board Member
On filings since 2022
1 hr/week
No compensation reported
Gabriella Paez
Board Member
On filings since 2022
1 hr/week
No compensation reported
David Fleischner
Board Member
On filings since 2023
1 hr/week
No compensation reported
Jennifer Gilliam
Board Member
On filings since 2023
1 hr/week
No compensation reported
Patricia Owens
Vice Chair
Board Member → Vice Chair, 2024
On filings since 2023
1 hr/week
No compensation reported
Rachael Ferraro
Board Member
On filings since 2023
1 hr/week
No compensation reported
Alison Marx
Board Member
On filings since 2024
1 hr/week
No compensation reported
Eric Del Viscio
Board Member
On filings since 2024
1 hr/week
No compensation reported
Henry Reichner
Board Member
On filings since 2024
1 hr/week
No compensation reported
Tim Riddle
Board Member
On filings since 2024
1 hr/week
No compensation reported
Michelle Douthitt
Secretary
New on the 2025 filing
40 hrs/week
No compensation reported
Former officers (24)
- Former: Margaret McCarvill (2020–2024) — Board Member
- Former: Regina O'Brien Thomas (2020–2024) — Board Member
- Former: Robin Potter (2020–2024) — Chair
- Former: John Soroko (2020–2023) — Board Member
- Former: Julianne Schrader Ortega (2020–2023) — Vice President & Chief of Healthy Neighorhoods
- Former: Lloyd Brown (2020–2023) — Board Member
- Former: Sam Lemheney (2020–2023) — Vice President, Chief of Shows & Events · Filing note: Thru 082022
- Former: Steve Mostardi (2021–2023) — Board Member
- Former: Malini Doddamani (2022–2023) — Chief Marketing Officer
- Former: Laura Pratt Gregg (2023) — Board Member
- Former: Angela Val (2020–2022) — Board Member
- Former: James Owens (2020–2022) — Vice President of Business Development
- Former: Lea Forunato (2020–2022) — Secretary
- Former: Loree Jones (2020–2022) — Vice Chair
- Former: Prema Gupta (2020–2022) — Board Member
- Former: Charles Wilmerding (2021–2022) — Board Member
- Former: Nancy Boutte Finn (2021–2022) — Chief Development Officer
- Former: Alisa Stephano (2020–2021) — Chief Marketing Officer
- Former: Donald F. Fox (2020–2021) — Chief Operating Officer
- Former: Tracy Maeter (2020–2021) — Board Member
- Former: Charlie Wilmerding (2020) — Board Member
- Former: Edward M. D'alba (2020) — Board Member
- Former: Leslie A. Miller (2020) — Vice Chair
- Former: Stephen Mostardi (2020) — Board Member
Data from IRS Form 990 filings, 2020–2025. "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
The highest reported compensation on the 2025 filing was $459K, to Matthew P Rader (President). 11 officers or directors reported compensation on that filing.
Frequently asked questions about The Pennsylvania Horticultural Society
How much does The Pennsylvania Horticultural Society give each year?
The Pennsylvania Horticultural Society gave $848K across 10 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $949K across 12 grants.
What is The Pennsylvania Horticultural Society's typical grant size?
The Pennsylvania Horticultural Society's median grant in 2025 was $13,776, and its average grant was $84,812, across 10 grants on its 2025 IRS Form 990. Organizations receiving their first grant from The Pennsylvania Horticultural Society that year got $12K on average.
Where does The Pennsylvania Horticultural Society give grants?
The Pennsylvania Horticultural Society gives mostly in Pennsylvania: 100% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The most frequent recipient cities were Philadelphia, PA (2 grants).
Does The Pennsylvania Horticultural Society give general operating support?
Yes: 100% of The Pennsylvania Horticultural Society's 2025 grants with a stated purpose (10 of 10) were for general or operating support, per its 2025 IRS Form 990.
Who are The Pennsylvania Horticultural Society's largest grantees?
The Pennsylvania Horticultural Society's largest 2025 grantees include Meadowbrook Farm ($714,650), Haverford Township ($25,704) and Audubon Mid-Atlantic ($24,383), according to its 2025 IRS Form 990. Together they received 90% of its itemized 2025 grant dollars.
How large is The Pennsylvania Horticultural Society?
The Pennsylvania Horticultural Society reported $74.4M in total assets on its 2025 IRS Form 990. Its revenue that year was $40.9M.
What does The Pennsylvania Horticultural Society fund?
PHS’s stated mission is to use horticulture to advance the health and well-being of the Greater Philadelphia region. See mission & focus areas ↑
How do I apply for a grant from The Pennsylvania Horticultural Society?
The Pennsylvania Horticultural Society has no public application process in the sources Grantable reviewed. Check phsonline.org for current guidelines, or contact the foundation directly before submitting a request.
What is The Pennsylvania Horticultural Society's EIN?
The Pennsylvania Horticultural Society's EIN (Employer Identification Number) is 23-1352265. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings. Research dossier generated September 2026.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2020 (received by the IRS May 17, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS May 16, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 12, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 14, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 15, 2025)
- Added Form 990 for fiscal year 2025 (received by the IRS May 15, 2026)
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). The Pennsylvania Horticultural Society funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/the-pennsylvania-horticultural-society-morg_26a3147b70c749319facde7b003b53c4
BibTeX
@misc{grantable_231352265_2026,
author = {{Grantable}},
title = {{The Pennsylvania Horticultural Society funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-pennsylvania-horticultural-society-morg_26a3147b70c749319facde7b003b53c4},
note = {Accessed 2026-10-11. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Pennsylvania Horticultural Society'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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