| GANNA WALSKA LOTUSLAND | $11,984,745 | C40 | inferred 0.90 | science: research education | Santa Barbara, CA | 2025 |
| REGULATORY ASSISTANCE PROJECT | $10,015,374 | C40 | published | | Washington, DC | 2024 |
| WAVE HILL INCORPORATED | $7,720,166 | C40 | published | science: research education | Bronx, NY | 2024 |
| GARDEN CONSERVANCY INC | $7,707,472 | C40 | published | | Greenwich, CT | 2025 |
| WATERFRONT BOTANICAL GARDENS INC | $7,408,991 | C40 | published | | Louisville, KY | 2024 |
| HARLEM GROWN INC | $5,143,885 | C40 | published | | New York, NY | 2024 |
| TILTH ALLIANCE | $4,749,808 | C40 | published | | Seattle, WA | 2024 |
| OKLAHOMA CENTENNIAL BOTANICAL GARDEN INC | $4,002,555 | C40 | published | | Tulsa, OK | 2024 |
| THE AMERICAN CHESTNUT FOUNDATION | $3,881,634 | C40 | published | science: research education | Asheville, NC | 2024 |
| ELIZABETH F GAMBLE GARDEN | $2,818,891 | C40 | published | | Palo Alto, CA | 2024 |
| AIRLIE GARDENS FOUNDATION INC | $2,346,426 | C40 | published | | Wilmington, NC | 2024 |
| COLUMBIA CENTER FOR URBAN AGRICULTURE | $2,174,848 | C40 | published | | Columbia, MO | 2024 |
| NORTHWEST NURSERY IMPROVEMENT INSTITUTE | $1,673,138 | C40 | inferred 0.50 | | Prosser, WA | 2024 |
| CLOVIS BOTANICAL GARDEN | $1,624,690 | C40 | published | | Clovis, CA | 2024 |
| GARDOPIA GARDENS | $1,612,349 | C40 | published | science: research education | San Antonio, TX | 2024 |
| KANSAS CITY COMMUNITY GARDENS INC | $1,590,469 | C40 | published | science: research education | Kansas City, MO | 2024 |
| GARDEN RAISED BOUNTY | $1,336,964 | C40 | published | launch: launch | Olympia, WA | 2024 |
| BALL FOUNDATION | $1,278,529 | C40 | inferred 0.70 | | Glen Ellyn, IL | 2024 |
| PAPAHANA KUAOLA | $1,256,538 | C40 | published | | Kaneohe, HI | 2025 |
| SUSTAINABLE SOLANO | $1,244,058 | C40 | published | shelter: homeless | Benicia, CA | 2024 |
| STANLEY SMITH HORTICULTURAL TRUST | $1,203,550 | C40 | inferred 0.50 | | Corte Madera, CA | 2024 |
| BOWMANS HILL WILDFLOWER PRESERVE ASSOCIATION INC | $1,170,787 | C40 | published | | New Hope, PA | 2024 |
| WILD SEED PROJECT | $1,116,774 | C40 | published | | N Yarmouth, ME | 2024 |
| ASSOCIATION OF SPECIALTY CUT FLOWER GROWERS INC | $984,270 | C40 | inferred 0.80 | | Oberlin, OH | 2025 |
| TRANSITION ZONE HORTICULTURAL INSTITUTE INC | $937,704 | C40 | published | | Flagstaff, AZ | 2024 |
| HEATHER FARM GARDEN CENTER ASSOCIATION INCORPORATED | $928,683 | C40 | published | science: research education | Walnut Creek, CA | 2025 |
| ZILKER BOTANICAL GARDEN CONSERVANCY NON-PROFIT CORPORATION | $900,019 | C40 | published | | Austin, TX | 2024 |
| ROGUE FARM CORPS | $878,517 | C40 | published | | Portland, OR | 2025 |
| COMMON VISION | $863,417 | C40 | published | | Berkeley, CA | 2025 |
| MOUNTAIN RIM FIRE SAFE COUNCIL INC | $839,535 | C40 | published | | Running Spgs, CA | 2024 |
| GATHER NEW HAVEN | $800,527 | C40 | published | women: issues | New Haven, CT | 2024 |
| CIVIC GARDEN CENTER OF GREATER CINCINNATI | $795,372 | C40 | published | science: research education | Cincinnati, OH | 2025 |
| SEEDMONEY | $725,950 | C40 | published | shelter: homeless | Scarborough, ME | 2024 |
| NATIONAL TURFGRASS EVALUATION PROGRAM INC | $689,564 | C40 | published | science: research education | Beltsville, MD | 2024 |
| KUBOTA GARDEN FOUNDATION | $637,469 | C40 | published | | Tukwila, WA | 2024 |
| GRASSROOTS GARDENS OF BUFFALO INC | $583,384 | C40 | published | science: research education | Buffalo, NY | 2025 |
| SUSTAINABLE FOOD ALLIANCE INC | $530,078 | C40 | published | | New York, NY | 2025 |
| ARMENIAN AMERICAN MEDICAL SOCIETY OF CALIFORNIA INC | $516,377 | C40 | published | women: issues | Glendale, CA | 2024 |
| HOME GROUND HABITATS | $490,895 | C40 | published | | Novato, CA | 2024 |
| OHIO LANDSCAPE ASSOCIATION | $475,684 | C40 | inferred 0.80 | | Broadview Hts, OH | 2024 |
| SANTA YNEZ VALLEY BOTANIC GARDEN FOUNDATION INC | $465,002 | C40 | published | | Buellton, CA | 2025 |
| VERMONT NURSERY AND LANDSCAPE ASSOCIATION INC | $451,407 | C40 | inferred 0.90 | | N Ferrisburgh, VT | 2024 |
| GROW IT GREEN MORRISTOWN INC | $450,346 | C40 | published | shelter: homeless | Morristown, NJ | 2025 |
| PENNSYLVANIA VEGETABLE GROWERS ASSOC | $416,497 | C40 | inferred 0.55 | | Harrisburg, PA | 2024 |
| SPIKENARD FARM INC | $404,033 | C40 | published | | Floyd, VA | 2025 |
| THERAPEUTIC GARDENS INC | $393,018 | C40 | published | | Encinitas, CA | 2024 |
| LANDCRAFT GARDEN FOUNDATION INC | $383,271 | C40 | published | | Mattituck, NY | 2024 |
| GARDENS OF SOUTHEASTERN NORTH CAROLINA | $361,887 | C40 | published | | Willard, NC | 2024 |
| MONTANA ASSOCIATION OF NURSERYMEN | $338,697 | C40 | inferred 0.80 | | Billings, MT | 2025 |
| COMMON THREAD INTERNATIONAL INC | $325,574 | C40 | published | | Melrose, FL | 2025 |
| CITY OF OAKS FOUNDATION INC | $310,031 | C40 | published | | Raleigh, NC | 2024 |
| NORTH AMERICAN FRIENDS OF G D LTD | $307,194 | C40 | published | | Dorset, VT | 2024 |
| FRIENDS OF LASDON ARBORETUM INC | $305,753 | C40 | inferred 0.80 | | Katonah, NY | 2024 |
| TENNESSEE NURSERY & LANDSCAPE ASSOCIATION INC | $302,700 | C40 | inferred 0.85 | | Mcminnville, TN | 2025 |
| MADAGASCAR FAUNA AND FLORA GROUP | $300,440 | C40 | published | | Naples, FL | 2024 |
| UTAH WEED SUPERVISORS ASSOCIATION | $290,577 | C40 | published | | Nephi, UT | 2025 |
| CAPE COD LANDSCAPE ASSOCIATION INC | $273,300 | C40 | published | | Medfield, MA | 2025 |
| VILLAGE COMMITTEE FOR THE JEFFERSON MARKET AREA INC | $241,188 | C40 | published | | New York, NY | 2024 |
| NORTH CAROLINA BLUEBERRY COUNCIL IN C | $236,764 | C40 | inferred 0.85 | | Elizabethtown, NC | 2024 |
| GARDEN CENTER INC | $217,629 | C40 | published | | Valdosta, GA | 2025 |
| FRIENDS OF THE GREEN BAY TRAIL | $215,793 | C40 | published | | Glencoe, IL | 2025 |
| TOGETHER WE GROW INC | $215,216 | C40 | published | | Newark, OH | 2025 |
| NASHVILLE LAWN AND GARDEN FOUNDATION | $206,133 | C40 | published | | Franklin, TN | 2021 |
| INTERNATIONAL PLANT PROPAGATORS SOCIETY INC SOUTHERN REGION | $195,262 | C40 | inferred 0.45 | | Columbia, SC | 2024 |
| AMERICAN CHESTNUT RESTORATION INC | $191,344 | C40 | published | science: research education | Laurens, NY | 2025 |
| GEORGIA NATIVE PLANT SOCIETY | $184,172 | C40 | published | | Atlanta, GA | 2025 |
| GREEN PLANTS FOR GREEN BUILDINGS | $175,623 | C40 | published | | Ukiah, CA | 2025 |
| KEIKI AND PLOW | $172,084 | C40 | published | | Honolulu, HI | 2025 |
| FRIENDS OF WILDWOOD CEMETERY INC | $169,160 | C40 | published | | Amherst, MA | 2025 |
| GALVESTON ISLAND TREE CONSERVANCY | $157,541 | C40 | published | | Galveston, TX | 2024 |
| AMERICAN BEACH ULTIMATE ASSOCIATION | $157,495 | C40 | published | | Egg Hbr Twp, NJ | 2024 |
| AUBREY MAKE A MEMORY FOUNDATION | $155,113 | C40 | published | | Glen Ellyn, IL | 2024 |
| VERMONT VEGETABLE & BERRY GROWERS ASSOCIATION INC | $150,675 | C40 | inferred 0.90 | | Barton, VT | 2025 |
| FRIENDS OF EDGEWOOD PARK-FRIENDS OF EDGEWOOD NATURAL PRESERVE | $148,848 | C40 | published | | Redwood City, CA | 2025 |
| SKYLANDS ASSOCIATION | $148,354 | C40 | published | | Ringwood, NJ | 2024 |
| EDGERTON PARK CONSERVANCY INC | $146,994 | C40 | published | | Hamden, CT | 2024 |
| REFLECTION RIDING LAND CONSERVATION | $145,346 | C40 | inferred 0.55 | | Chattanooga, TN | 2018 |
| CALIFORNIA NATIVE HORTICULTURAL FOUNDATION | $138,389 | C40 | published | | San Juan Capo, CA | 2025 |
| COLORADO WATER WISE COUNCIL | $135,925 | C40 | published | | Denver, CO | 2025 |
| FRUITION COMMUNITY SEED FARM | $135,447 | C40 | published | | Naples, NY | 2025 |
| NORTHWEST PERENNIAL ALLIANCE | $135,411 | C40 | published | | Bellevue, WA | 2024 |
| BEE THE CHANGE | $135,012 | C40 | published | | Weybridge, VT | 2025 |
| BLOSSOM & BLOOM SHOP INC | $127,058 | C40 | published | | Leesburg, VA | 2025 |
| RESILIENT ROOTS INC | $126,779 | C40 | published | | W Barnstable, MA | 2025 |
| CREATING HABITATS FOR POLLINATORS | $125,915 | C40 | published | | Canton, MI | 2025 |
| DOWNTOWN GREENS INC | $125,894 | C40 | published | girls boys: boys girls clubs | Fredericksbrg, VA | 2024 |
| AUSTIN AREA GARDEN CENTER INC | $122,015 | C40 | published | | Austin, TX | 2018 |
| GARDEN SCHOOL OF BEVERLY | $106,191 | C40 | published | | Beverly, MA | 2025 |
| GARDEN CLUB OF CLEVELAND | $106,059 | C40 | published | | Lyndhurst, OH | 2024 |
| PLANT EXCHANGE | $104,544 | C40 | published | | Oakland, CA | 2023 |
| COLD HARDY CITRUS ASSOCIATION INC | $97,611 | C40 | published | | Monticello, FL | 2024 |
| LAKE LURE FLOWERING BRIDGE INC | $95,735 | C40 | published | | Lake Lure, NC | 2024 |
| WAY THE TRUTH AND LIGHT MISSIONARY FOUNDATION | $94,095 | C40 | published | | Joppa, MD | 2025 |
| BALDWIN COUNTY MASTER GARDNERS | $92,330 | C40 | published | | Fairhope, AL | 2025 |
| DELAWARE NURSERY & LANDSCAPE ASSOCIATION INC | $89,926 | C40 | inferred 0.55 | | Smyrna, DE | 2025 |
| WORTHY GARDEN CLUB | $89,742 | C40 | published | science: research education | Bend, OR | 2024 |
| MIAMI BEACH GARDEN CLUB INC | $88,703 | C40 | published | | Miami Beach, FL | 2025 |
| LSRV MOSQUITO CONTROL INC | $87,971 | C40 | published | | Baggs, WY | 2025 |
| COMMUNITY OUTREACH GROUP INC | $87,697 | C40 | published | | Cambridge, MA | 2024 |
| NEBRASKA NURSERY & LANDSCAPE ASSOCIATION | $84,768 | C40 | published | | Milford, NE | 2024 |