Longwood Gardens Alumni Association
Legal name: Professional Gardener Alumni Association of Longwood Gardens
Nonprofit profile at a glance
- EIN
- 232682640
- IRS 990-EZ coverage
- 2016–2024
- Official website data refreshed
- Sep 2026
- Forms available
- Form 990-EZ 2024
- Location
- Kennett Square, PA, US
- Phone
- 610.388.1000
- Rating
- 72
- Verdict
- SUPPORTED
- Rating confidence
- Moderate
- Sector
- Professional Societies, Associations
Reported finances
- Revenue
- $84
- Expenses
- $14,943
- Assets
- $0
Source: IRS Form 990-EZ. Selected filing: tax year 2024. Amounts in USD.
Leadership & pay
4 people listed
Executive titles in this filing
- ALISON TISDEL (PRESIDENT)
People named in this filing
- ALISON TISDEL (PRESIDENT)
- KAYLENE ARGOT (VICE PRESIDE)
- MICHAEL MORGAN (TREASURER)
Selected names, not a complete roster or a statement of current roles. Open leadership details for the complete filed list.
Source: IRS Form 990-EZ. Selected filing: tax year 2024. Names and roles reflect this filing, not necessarily current officeholders.
Overview
Mission
Longwood Gardens advances horticulture, strengthens conservation efforts, and inspires a lifelong love of learning through its Gardens, learning studios, and global partnerships. Request a ticket donation from Longwood to support your nonprofit charity auction/fundraiser Submit your request Lost & Found. Spanning more than 1,100 acres, our Gardens showcase horticultural splendor, intricate fountain systems, architectural grandeur, and so much more—all with conservation at the core of our mission. With our spectacular displays and year-round, dynamic beauty—made possible by our renowned horticultural expertise—we are proud to be one of the most-visited gardens in the country. Our beauty extends far beyond our displays. We value excellence in all aspects of our work—from our dedication to professional leadership and innovative practices, to our commitment to delivering genuine...
What it reported doing in 2024
Professional symposium and publications of interest to those in the horticultural field.
Operating model
- Revenue model
- Donor-supported. 81% of the money available for current operations came from contributions and gifts.
- Distribution model
- Direct operator. The filing allocates 100% of reported program-service expenses outside its grant, affiliate-payment, and member-benefit lines. This expense classification does not rule out separately announced grant awards.
The verdict
SUPPORTED - A large share of available resources goes toward mission work and the filed numbers largely add up. A relatively small share of total spending goes to programs and expenses are high relative to revenue.
Rating breakdown
- Financial Efficiency: 77
- Transparency & Controls: 82
- Sustainability: 7
- Growth: 0
Detailed rating inputs
Financial Efficiency
- Mission deployment rate: 100%; rating input score 100
- Program expense ratio: 38.8%; rating input score 39
Transparency & Controls
- Consistency checks: 100%; rating input score 100; 52nd percentile among comparable filings
- Major donor itemization: Limited
Sustainability
- Operating margin: -17,689.3%; rating input score 0; 0th percentile among comparable filings
- Total-asset coverage ratio: 0; rating input score 2; 2nd percentile among comparable filings
- Liabilities to assets ratio: Limited
- Officer compensation ratio: 0%; rating input score 56; 56th percentile among comparable filings
Growth
- Program expense growth: -10.4% per year; rating input score 0; 27th percentile among comparable filings
- Revenue growth: -15% per year; rating input score 0; 18th percentile among comparable filings
- Asset growth: -11.4% per year; rating input score 0; 16th percentile among comparable filings
Details
- What they do: 1 programs and campaigns described on the official site
- Where the money goes: 100% of revenue deployed · 38.8% of spending went to programs
- Governance: Filed governance answers
- Accomplishments: 1 filed program accomplishment · $6K in reported program spending
- Leadership: top reported pay $0 · 4 people listed
- Consistency: 5 of 5 current checks pass
- Schedules: 2 filed schedules
- Filing history: 8 filing years from 2016 to 2024
- Contacts: How to reach this organization
- Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
- People: Everyone the filings name, and which of them the filings identify by more than a name.
Key Signals
Signals prioritize questions for review. They are not findings of misconduct.
- Moderate — Financial Efficiency: Program expense ratio scored 39/100.
- High — Sustainability: Operating margin scored 0/100.
- High — Growth: Program expense growth scored 0/100.
- High — Growth: Revenue growth scored 0/100.
- High — Sustainability: Total-asset coverage ratio scored 2/100.
- High — Growth: Asset growth scored 0/100.
- Review — Sustainability: Officer compensation ratio scored 56/100.