| Company |
| N.A.T.S. Nursery Ltd. |
| Nadeau's African Violet Seeds |
| Napa Country Iris Gardens |
| Nash Nurseries |
| Natch Greyes' Carnivorous Plants |
| National Arbor Day Foundation |
| National Gardening Association Garden Shop |
| National Greenhouse Company |
| National Tree Seed Programme (Tanzania) |
| National Tropical Plants (formerly CactusIsland Nursery) |
| Nativ Nurseries |
| Native American Seed |
| Native Foods Nursery |
| Native Habitat |
| Native Ornamentals |
| Native Rock |
| Native Seed Foundation |
| Native Seeds/SEARCH |
| Natives of Texas |
| NativeTrees.net (earthscapes, inc.) |
| Natt's Orchids |
| Natural Bonsai |
| Natural Communities |
| Natural Environmental Systems, LLC |
| Natural Finds by Steve |
| Natural Garden Inc. |
| Natural Insect Control |
| Natural Organic Alternative (Aggrand Organic Fertilizer) |
| Natural Pest Controls |
| Natural Surroundings |
| Natural Waterscapes LLC |
| Naturallighting.com |
| Naturally Native Nursery |
| Naturalyards |
| Nature and Nurture Seeds |
| Nature Hills Nursery |
| Nature Niche LLC |
| Nature Perfect |
| Nature's Big Bud Worm Castings, Inc. |
| Nature's Control |
| Nature's Crossroads |
| Nature's Finest Seed |
| Nature's Footprint Inc (Worm Factory) |
| Nature's Garden |
| Nature's Garden Organics |
| Nature's Garden Seed Company |
| Nature's Hatchery |
| Nature's Lawn and Garden, Inc. |
| Nature's Nook |
| Nature's Reign |
| Nature's Room |
| Nature's Way |
| Nature's Way Nursery |
| Nature's Wisdom |
| Nature's Wisdom Garlic (Wood's Edge Farm) |
| Nature’s Planters by Tory Rand |
| Naturemill Composter |
| Naturescape British Wild Flowers |
| NaturzDiva |
| NC+ Organics |
| Nebraska Statewide Arboretum |
| Needlefast Evergreens |
| Neem Tree Farms |
| Neeps Lawn and Garden Supplies |
| Neil Sperry's GARDENS |
| Neil's Perennial Farm |
| Neils Lunceford Inc. |
| Nelson's Grow-N-Thrive Liquid Plant Food |
| Nemasys |
| Neon Palm Nursery (Palm Island Nursery Outlet) |
| Neptune's Harvest All Natural Organic Fertilizer |
| Nesta Prairie Perennials (Van Bochove's Greenhouse) |
| Nestlebrae Gardens |
| Netherland Bulb Company |
| NetShops, Inc. |
| Nettlecreek Nursery |
| NeuStone Products Inc. |
| New Beginnings Daylilies, LLC. |
| New Blooms Nursery |
| New Century Seed Express |
| New Earth Garden Center |
| New England Bamboo |
| New England Bonsai Gardens |
| New England Hydroponics (NEHydro.com) |
| New England Seed Company (NE Seed) |
| New England Wild Flower Society |
| New England Woodworks |
| New Every Morning Daylily Gardens |
| New Garden Plants |
| New Gippsland Seeds and Bulbs |
| New Growth |
| New Hampshire Hostas |
| New Hill Farm |
| New Holland Bulb Co. |
| New Hope Seed Company |
| New Lenox Statuary (The "Bird Girl" Statue) |
| New Life Nursery |
| New Life Nursery & Garden |
| New Peony Farm |
| New Sprout Organic farms |
| New Venture Technologies (Noodlehead Sprinkler) |
| New World Orchids |
| New World Seeds and Tubers, LLC |
| New Zealand Tree Seeds |
| Newbridge Cottage Gardens |
| Newburn's Iris Gardens |
| Newbury Daylilies, Etc |
| NewGardenPlants.com (New Garden Plants) |
| Newhouse Nursery |
| NewLife Tropicals |
| Newport Naturals at Spruce Corner |
| Newport Plumeria |
| NewPro Containers |
| Newton Enterprises LLC |
| Newton Enterprises Ltd |
| NextHarvest.com |
| Nicholls Gardens |
| Nichols Garden Nursery |
| Nick Botner |
| Nicky's Nursery |
| Nicole's Daylilies |
| Night Orbs (LaSorgente Glass Studio) |
| Nikau Hill Nursery |
| Nikitovka Seeds |
| Nimble NiteCap Seed Co |
| Nine Dragon Studios |
| Nipa Hut Gardens and Gifts |
| Nixalite of America Inc. |
| NJ Supply Ltd. (stack-a-pots.com) |
| No Thyme Productions |
| Noah's Ark Topiary |
| Noal and Esssie's Nursery |
| Nola's Iris Garden (Prevost Ranch and Gardens) |
| Nolin River Nut Tree Nursery |
| Nolt's Produce Supplies |
| NoMowGrass.com |
| Nor'East Daylilies |
| Nora's Nursery |
| Norfolk Herbs |
| North American Bluebird Society |
| North American Greenhouses, Inc. |
| North American Indoor Garden Supply (NAIGS, LLC) |
| North American Kelp |
| North Carolina Farms, Inc. |
| North Carolina Foundation Seed Producers, Inc. |
| North Country Daylilies |
| North Creek Farm |
| North Pole Xmas Trees |
| North Star Christmas Trees |
| North Star Gardens |
| Northcott Gardens |
| Northeast Garden Products (GardenTrail.net) |
| Northeastern Vine Supply |
| Northern Border Tree Farms LLC |
| Northern Dipper Farms |
| Northern Garden Supply |
| Northern Gardener® |
| Northern Greenhouse Sales |
| Northern Groves Bamboo |
| Northern Grown Perennials |
| Northern Lakes Worm Farm |
| Northern Lights Daylilies |
| Northern Oasis Tropical Seeds & Plants |
| Northern Plant Lights |
| Northern Tool + Equipment |
| Northern Trading Company |
| Northern Tropics |
| Northfield Nursery LLC |
| Northland Gardens Bonsai Centre |
| Northland Rosarium |
| Northland Wreaths |
| NorthlandSent Wreath Company |
| NORTHPLAN/Mountain Seed |
| Northstar Nursery LLC |
| Northstar Wrought Iron |
| Northwest Garden Accents (NW Garden Accents) |
| Northwest Hops |
| Northwest Meadowscapes |
| Northwest Mycological Consultants |
| Northwest Orchids |
| Northwest Seed & Pet |
| Northwest Wigglers |
| Northwind Farms |
| Norton Naturals |
| Norway Company |
| Not Tonight Deer! Animal Repellents |
| Nothing But Teak Furniture |
| nothing-but-seeds |
| Nottawa Wild Bird Supply Co. |
| Nottawasaga Daylilies |
| Nourse Farms Inc. |
| Nova Scotia Daylilies (Coral A. Kincaid) |
| Noweta Gardens |
| NSE Tropicals |
| NuCan (Flo Control GB Ltd.) |
| Nuccio's Nurseries Inc |
| Nurseries Caroliniana |
| Nurseryman.com |
| Nutkin Knoll Farm |
| Nutritek Inc. |
| Nuts N Cones |
| Nutshell Perennial Nursery & Plant Farm |
| Nutwood Nurseries |
| NWN Nursery |
| Nymph Garden (Nymph-garden.com) |
