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LONG ISLAND NATIVE PLANT INITIATIVE
BRENTWOOD, NY · EIN 452783503 · Form 990 · FY2024 · NTEE C30 · Environment · Small ($100K-$1M) · linpi.org
revenue
$602K
expenses
$577K
net assets
$311K
employees
6
program ratio
94%
mission · from form 990

LINPI, INC STRIVES TO CONSERVE LONG ISLAND'S BIODIVERSITY THROUGH THE PRESERVATION OF NATIVE PLANT GENETIC HERITAGE.

profile · synthesized from sources

The Long Island Native Plant Initiative (LINPI) is a nonprofit cooperative focused on conserving Long Island's biodiversity through the preservation and propagation of native plant genetic heritage. It cultivates ecotypic native plants and seeds to support habitat restoration, pollinator health, and ecological resilience. The organization operates through volunteer efforts, education, outreach, and partnerships with local communities and agencies.

named programs · 3 · from sources

What they call their work

Community Native Plant Sales and Outreach
Distributes native plants to nurseries, communities, and home gardeners while promoting ecological benefits through education
Native Plant Pollinator Garden Program
Partners with community groups to create 200 sq. ft. public native pollinator gardens in Suffolk County, providing plants and educational signage
Seed Increase Plots
Revamped plots to supply source-identified Long Island ecotypic plants to support pollinators and habitat restoration efforts
activities · 7 groups

What they do

  • Horticultural Education and Community Gardening 3 activities
    • Operating public plant sales and public access hours
      Hosts bi-annual public plant sales in spring and fall, and operates regular plant sale hours on Tuesdays, Thursdays, Fridays, and Saturdays from 10 a.m. to 2 p.m., providing public access to native plants and educational resources.
    • Providing native plant selection tools and gardening guidance
      Provides a publicly accessible plant database to help gardeners select appropriate native plants for site conditions and offers guidance on native garden maintenance, including mulching with wood chips or straw and the “chopping and dropping” method to support pollinators.
    • Supporting public native pollinator garden development
      Created 10 public pollinator gardens in partnership with community groups across Suffolk County and provided ecotypic plants and educational signage for 200 sq. ft. native pollinator gardens as part of community outreach and ecological enhancement efforts.
  • Ecological Habitat Restoration 2 activities
    • Administering regional invasive species management program
      Administers the Long Island Invasive Species Management Area (LIISMA), a state-designated PRISM program, to coordinate and advance invasive species management across the region.
    • Conserving native plant genetic heritage through regional seed banking
      Contributes to and manages the storage of ecotypic native plant seeds in the Greenbelt Native Plant Center’s Regional Seed Bank in Staten Island, preserving Long Island's biodiversity through climate-controlled seed preservation. Activities include annual seed collection from protected natural areas and private lands with permission, focusing on maintaining genetic diversity.
  • Community Stewardship Volunteer Programs 2 activities
    • Conducting volunteer-based ecological restoration and stewardship activities
      Organizes monthly volunteer events focused on invasive species removal, native plant installation, and garden improvement, along with seasonal volunteer activities such as seed cleaning, seed stratification, up-potting seedlings, weeding, and harvesting seeds from the Founders Plot.
    • Engaging volunteers in organizational operations
      Engaged 219 volunteers who contributed 777 hours to support propagation, restoration, and educational activities, reflecting a capacity-building effort to expand community involvement.
  • Onsite & Outreach Environmental Education Programs 1 activity
    • Delivering education and outreach on native plants and ecosystems
      Conducts education and outreach programs including guided hikes, BioBlitz events, educational symposia, field demonstrations, and talks on native gardening to foster community understanding of biodiversity, fire ecology, deer impacts, and pollinator habitat. These include training in iNaturalist and species identification.
  • Environmental Conservation Grantmaking 1 activity
    • Funding native plant projects through community grants
      Funds and awards community plant grants to support native garden projects, providing native plants to approved public projects and organizations for restoration, parks management, and education via a grant application process. Supported 12 native garden projects through grantmaking.
  • Public Garden Tours and Events 1 activity
    • Operating public-facing greenhouse and campus facilities for education
      Operates a greenhouse open in the spring for public viewing of native plant seedlings and hosts events on a 212-acre campus, including BioBlitzes and guided tours, to support education and species documentation.
  • Uncategorized 2 activities
    • Establishing commercial sources of ecotypic native seed and plants
      Works to establish and scale commercial sources of locally adapted, ecotypic native seed and plants for use in ecological restoration, nursery propagation, and landscaping, including revamping seed increase plots and using founder plots to produce genetically pure, weed-free seed for large-scale production.
    • Propagating and distributing native plants of Long Island genetic provenance
      Propagates herbaceous and woody native plants at the Sisters of St. Joseph Campus in Brentwood, using techniques such as seed scarification and stratification. The organization has produced over 12,000 native plants from seed and distributed 9,477 through sales and donations, including expanding production to include new species such as Andropogon virginicus and Eragrostis spectabilis.
financials · form 990 · fy2024
revenue
Total revenue$602K
Contributions & grants$49K8%
Program service revenue$549K91%
Investment income$5K1%
Other revenue$0
expenses
Total expenses$577K
Program expenses94%
Admin / overhead6%
Fundraising0%
Salaries & benefits$485K
Grants paid out$0
Largest expense lineCompensation
balance sheet
Total assets$314K
Cash$300K
Investments$0
Liabilities$2K
Net assets$311K
Liquid reserves6.3 mo
5 years on record · 2020–2024 · YoY revenue +7.3%
leadership · form 990 part vii · fy2024

Who runs it

board members · 2
  • POLLY WEIGAND — EXECUTIVE DI
  • ROB LONGIARU — DIRECTOR
relationships · 41

Who they work with

  • AYLUS Partner — Partner organization providing volunteer support to LINPI.
  • Bayport-Blue Point Library Partner — Community partner that established a public pollinator garden with LINPI support.
  • Bethpage State Park Government — Public land from which LINPI collects native seeds and collaborates on ecological projects.
  • Fairharbor on the Water Partner — Community partner that established a public pollinator garden with LINPI support.
  • Friends of Hempstead Plains Partner — Rob Longiaru, who serves as Director with Friends of Hempstead Plains, is on LINPI's Board of Directors, indicating a partnership.
  • Gateway Community Garden Partner — Community partner that established a public pollinator garden with LINPI support.
  • Greenbelt Native Plant Center Partner — Stores LINPI seed collections in its Regional Seed Bank in Staten Island under climate-controlled conditions.
  • Group for the East End Partner — Taralynn Reynolds, Outreach Director at Group for the East End, serves on LINPI's Board of Directors, indicating a collaborative partnership.
  • Hofstra University Partner — Dr. J Bret Bennington, Professor at Hofstra University, serves on LINPI's Board of Directors and is integrating LINPI's mission into the university's sustainability curriculum.
  • KMS Native Plants Partner — Collaborating native plant nursery and partner in regional restoration efforts.
  • LIISMA PRISM Partner — Collaborates with LIISMA PRISM to provide guidance on identifying invasive plant species using their tier list.
  • Long Island Invasive Species Management Area (LIISMA) Government — LINPI administers LIISMA, a New York State designated PRISM program.
  • Long Island Regional Planning Council Partner — Partner in the Garden Rewards Program to promote native plant adoption.
  • Medaille Residence Partner — Geographic reference point for volunteer directions to the LINPI greenhouse and nursery yard.
  • North Shore Land Alliance Partner — Co-hosts community garden tours and native plant education events.
  • North Shore Land Alliance Partner — Co-hosts the Oh, Deer! Symposium on deer impacts and management with LINPI.
  • North Shore Land Alliance Partner — Collaborating organization in land conservation and native plant initiatives.
  • Northport Native Garden Initiative Partner — Local partner organization promoting native gardening on Long Island.
  • Office of the New York State Attorney General Funder — Funder of seed increase plot improvements through the New York Pollinator Conservation Fund.
  • Quogue Wildlife Refuge Partner — Collaborates to offer guided educational hikes focused on native plant ecosystems.
  • Quogue Wildlife Refuge Partner — Partner organization for community events and ecological education.
  • REACH-Rotary Environmental Coalition of Huntington Partner — Community partner that established a public pollinator garden with LINPI support.
  • ReWild Long Island Partner — Collaborating organization in native plant and habitat restoration initiatives.
  • Seatuck Environmental Association Partner — Community partner that established a public pollinator garden with LINPI support.
  • Signup.com Partner — Platform used to list open volunteer hours and plant sale days.
  • Sisters of St. Joseph Partner — Co-hosts the First Annual CSJ BioBlitz to document species diversity on a 212-acre campus.
  • Sisters of St. Joseph Partner — Hosts the Long Island Native Plant Initiative on its campus in Brentwood, NY.
  • Sisters of St. Joseph Campus Partner — Hosts plant propagation activities for LINPI in Brentwood.
  • Sisters of St. Joseph Sustainability Partner — Co-hosts monthly volunteer days for ecological restoration on the Brentwood Campus.
  • Sisters of St. Joseph, Brentwood Partner — Heather Coste and Nico Carl, affiliated with the Sisters of St. Joseph in Brentwood, serve on LINPI's Board of Directors, indicating an institutional partnership focused on ecological sustainability.
+ 11 more
strategies · 4

How they approach the work

Named approaches extracted from this org’s sources. Where others share an approach, follow it to see the full set of orgs running it.

  • Community-Engaged Conservation Model
    methodology: community-engaged conservation
    By involving volunteers in propagation, restoration, and education activities, we increase public stewardship and project sustainability because hands-on participation builds ecological literacy and long-term community investment in native plant ecosystems.
  • Ecotypic Conservation for Ecological Resilience
    methodology: ecotypic_conservation
    By cultivating and distributing locally adapted native plant stock, we restore and conserve regional biodiversity because plants grown from local ecotypes are genetically suited to Long Island’s ecoregion, ensuring higher survival rates and ecological functionality.
  • Experiential Ecological Education
    methodology: experiential-education
    By using guided hikes and hands-on science events, we foster deeper public understanding of native ecosystems because direct, sensory engagement increases ecological awareness and motivates conservation behavior more effectively than passive learning.
  • Supply-Demand Integrated Restoration Ecosystem
    methodology: supply_demand_integration
    By aligning native plant cultivation with public education and outreach, we create a self-sustaining market for ecotypic plants because increased demand drives both conservation funding and broader adoption in landscaping and restoration.