| Company |
| P & J Greenhouses |
| P & P Seed Co. |
| P.de Jager & Sons Limited |
| P3 Gardening (Patio Pocket Planters) |
| Pacific Callas |
| Pacific Coast Hydroponics |
| Pacific Coast Maples |
| Pacific Coast Seed |
| Pacific Horticulture |
| Pacific Island Nursery |
| Pacific Orchid, Inc. |
| Pacific Paradise Orchids |
| Pacific Ponds Plus |
| Pacific Rim Native Plant Nursery |
| Pacific Western Lumber |
| Pacific Wire and Supply, Inc.( eTopiary, Pacific Filter , Pacific Wire & Supply) |
| Pacifica Restoration |
| Packer Nursery (alohapalms.com) |
| Packing Pearls |
| Paddock Plants |
| Page's Seeds |
| Pagoda Books |
| Paine's Christmas Trees |
| Painted Acres Farm |
| Paionia Peony Nursery |
| Paisley Pumpkin Farms Nursery |
| Palatine Fruit & Roses |
| Palm Hammock Orchid Estate (formerly Daisy Farm Inc.) |
| Palm Plantations of Australia |
| Palmaliget Bt. |
| Palmflex |
| Palms, Etc. |
| PalmTreePlant.com |
| Pampered Plant Nursery |
| Pangea Seeds |
| Pantry Garden Herbs |
| Pap's Pretty Posies & Nursery |
| Papa Noel Christmas Trees |
| Papaya Seed Co. |
| Paradise Distributors (paraplants.com.au) |
| Paradise Found Nursery |
| Paradise Garden |
| Paradise Gardens Rare Plant Nursery |
| Paradise Nursery |
| Paradise Robotics |
| Paradise Water Gardens, Ltd. |
| ParadiseNursery.com |
| Paramount Orchids |
| Paramount Seeds Inc. |
| Park Beekeeping Supplies |
| Park Seed Company (aka Park's Gardens) |
| Park Seed Wholesale Growers |
| Park's Landscapes |
| Parkdale Gardens |
| Parkland Perennials |
| Parks Dahlias |
| Parkside Orchid Nursery |
| Parrot Plants |
| Parry's Tree Farm and Nursery |
| Pars Produce Co. |
| Partridge Hill Gardens |
| Pase Greenhouses |
| Passion Flower Farms |
| Passion Flower Seed Company |
| Pat Sayers' Old Whispering Hills |
| Pat's Patch |
| Pat's Patio Plants, Perennials, Pots and Ponds (formerly Sierra Gold Cactus & Succulents) |
| Pat's Pets |
| Patch Perfect Grass Seed (Fosdick Corporation) |
| Patchwork Nursery |
| Patio Garden Ponds Int'l |
| Patio Hearth Home and Garden Inc. (David Marketing Group) |
| Patio Living Furniture |
| Patio Plants |
| Patio Plants.com (Botanical Growers Network) |
| PatioFurnitureUSA.com |
| Patiolover.com |
| Patrick Guidry's Daylily Garden |
| Patriot Products, Inc. |
| Patron Gardens |
| Pau Hana Farms |
| Paul Bromfield Aquatics |
| Paul Christian - Rare Plants |
| Paul Shirley Succulents |
| Paula's Herbs and Plants |
| Paulius Ciplijauskas Unique Gladioli Varieties |
| PaulowniaTrees.com |
| Paw Paw Everlast Label Company |
| Paxton Garden Company (Bulb Bopper®) |
| Paxton Greens |
| Paynes in the Grass Daylily Farm |
| Paz Growers |
| PDK Inc. |
| Pea Ridge Forest Inc. |
| Peace of Mind Nursery |
| Peace On Earth Gardens |
| Peace Seeds |
| Peaceful Heritage Nursery |
| Peaceful Valley Farm Supply (groworganic.com) |
| Peach Grove Nursery and Gardens |
| Peach Ridge Orchard Supply, Inc. |
| Peachland Daylily Garden |
| Peacock Perennials |
| Peas & Corn |
| Pebble & Coco World |
| Pebble Brook Gardens |
| Pecan Lake Farm |
| Peckerwood Gardens |
| Pedigreed Deerproof Heirloom Flowers |
| Pedricks Corner |
| Peekskill Nurseries |
| Peeters Enterprises |
| Pelco Fertilizers, Ltd. |
| Pell Farms |
| Pembroke Perennials |
| PendulousPlants.com |
| Peninsula Flowers Nursery (BonsaiBC.CA) |
| Penjing Iron Works |
| Penlan Perennials |
| Pennard Plants |
| Pennie's Lane to Vermicomposting (Red Wiggler Online) |
| Penny Seeds |
| Pennys Palms |
| Penobscot Evergreens |
| Penroc Seeds & Plants |
| Pense Nursery |
| Penya Seeds |
| Peonies Plus |
| Peonies.net (Bannister Garden Center) |
| Peony Farm |
| Peony Garden |
| Peony Garden |
| Peony Garden (Frankford Nursery Peony Superstore) |
| Peony Meadows |
| Peony Passions |
| Peony Rainbows (formerly Tegn Peony) |
| Peony's Envy |
| PeonyLand |
| peonynursery.com |
| Peonyseeds.com (Ribbon Nursery) |
| People, Places & Plants |
| Pepiniere Fleurs du Sud |
| Pépinière Luc Lareault inc. |
| Pepper Joe's |
| Pepper Joe's Inc. |
| Pepperlover |
| Perennial Marketplace |
| Perennial Mart (Techni-growers Greenhouses, Inc) |
| Perennial Obsessions Nursery |
| Perennial Patch |
| Perennial Place |
| Perennial Plants Nursery |
| Perennial Pleasures Nursery |
| Perennial Pottery |
| Perennial Vegetable Seed Company |
| Perennial World at Fir Tree Farm Nursery |
| PerennialPlant.eu |
| Perennialville |
| Perfect Perennials Daylily Nursery (HardyHems.com) |
| Perfect Plant, LLC |
| Perfect Plants Nursery |
| Period Plants |
| Permaculture Magazine |
| PermaStake Garden Marker (Wyndvale Heights Farm) |
| Pernell Gerver |
| Perry's Fruit and Nut Nursery |
| Perry's Water Garden |
| Personal Creations (formerly Silvo Home & Garden) |
| Pest Control Products |
| Pest Products Online |
| Pestfree.co.uk |
| Petals & Buds Nursery |
| Petals from the Past, Inc. |
| Peter & Lynn Markham |
| Peter Beales Classic Roses |
| Peter C. Nijssen |
| Peter Pauls Nurseries |
| Peter Salonius |
| Peterson Pawpaws |
| Peterson's Country Gardens |
| peteslilys |
| Petflytrap.com |
| Pflanzenversand Hans-Günter Röpke |
| Phals.com (Riverbend Orchids) |
| Pharm Solutions Inc. |
| Phedar Nursery |
| Phelps Farm Orchids |
| Phil's Place Nursery |
| Philip Sons Nursery (nativewildflowers.net) |
| Phoenix Desert Nursery |
| Phoenix Garlic Farm |
| Phoenix Orchids |
| Phoenix Tears Nursery |
| Phuphaman Orchids Ltd |
| PhytoTechnology Laboratories |
| Piccadilly Farm |
| Pictorial Meadows |
| Piedmont Farm and Garden |
| Pietro's Pawpaws |
| Pike Lake Greenhouses |
| Pike's Peak Nurseries |
| Pine Cottage Plants |
| Pine Forest Gardens |
| Pine Hollow Primitives |
| Pine Island Nursery |
| Pine Knot Farms |
| Pine Lake Palms |
| Pine Mountain Nursery |
| Pine Nook Daylilies |
| Pine Ridge Gardens |
| Pine Ridge Orchids |
| Pine Ridge Perennials |
| Pine River Farm |
| Pine Straw Direct |
| Pineberry Farm |
| Pinecliffe Gardens Daylilies and Hostas (formerly Daylily Discounters & 1800Daylily.com) |
| Pinecrest Tree Farm |
| Pinegarden Daylilies |
| Pinelands Direct |
| Pinetree Garden Seeds |
| Pinetum Products |
| Pinewood Gardens |
| Piney Hills Gardens & Nursery |
| Pinky's Seed Company |
| Pinoy Plants |
| Pintoy Seeds, LLC |
| Pioneer Nurseries |
| Piper Mountain Christmas Trees |
| Piping Rock Orchids |
| Piping Tree Gardens & Nursery |
| Pistils Nursery |
| Pitspone Farm |
| Pittsgrove Farms |
| Pivoines Capano |
| Pixies Gardens |
| Planet Alive |
| Planet Desert |
| Planet Natural |
| Planet Sunshine Daylilies |
| PlanetGreenSpot.com |
| plangarden Garden Design Software |
| Plant Addicts |
| Plant and Gnome |
| Plant Attraction (theplantattraction.com) |
| Plant City Nursery |
| Plant Creations Inc. |
| Plant Delights Nursery |
| Plant Factory Garden Center |
| Plant Group Hawaii |
| Plant Group Siam Mariposa (formerly Siam Mariposa) |
| Plant It Hawaii |
| Plant Me Green |
| Plant Oddities |
| Plant Oregon |
| Plant Ranch |
| Plant Safari |
| Plant Signs |
| Plant Stand Company |
| Plant Warrior (AGulent Agronomics, LLC) |
| Plant World |
| Plant World Seeds |
| Plant Zero 2006 Ltd |
| Plant-A-Genda |
| Plant-Marker.com |
| Plant-o-gram Inc. |
| Plant' It Earth |
| Plant'It Earth |
| Plantags (Professional Services) |
| Plantaholic Nursery |
| Plantasia Cactus Gardens |
| Plantastik |
| Plantation Gardens |
| Plantation Products, Inc. |
| PlanTea, Inc. |
| plantebutikken.dk |
| Planteck |
| Planted Palette |
| PlantenTuin Esveld |
| Planter Homa |
| Planters Paradise |
| PlantGlo (Evidia Ltd.) |
| Planting Justice Nursery formerly Rolling River Nursery |
| PlantingStock.com |
| PlantingTree™ Online Garden Center |
| Plantityourself |
| PlantKingdom.com |
| Plantlighting Hydroponics (formerly PlantLighting.com) |
| PlantMakers (tomatomaker.com) |
| PlantMeds.com |
| planto |
| Plantology |
| Plants 4 Presents |
| Plants and Trees Online |
| Plants Beautiful Nursery & Christmas Tree Farm |
| Plants by Mail |
| Plants Can Live |
| Plants for Kids |
| Plants in the Mail (associated w/Patron Gardens) |
| Plants in Time |
| Plants of Distinction |
| Plants of Perfection |
| Plants of the Southwest |
| Plants of the Wild |
| Plants That Please |
| Plants-UK |
| Plants, Trees & Seeds |
| Plantsman's Seeds |
| PlantStep.com (Rocket Computer Services) |
| Plantworld Seeds |
| Plasponics |
| Plastic Flamingos |
| Pleasance Herb Seeds |
| Pleasant Avenue Nursery |
| Pleasant Garden Seeds And Plants Inc. |
| Pleasant Hill African Violets |
| Pleasant Valley Gardens |
| Pleasant Valley Glads & Dahlias |
| Pleasant Valley Tree Farm |
| Pleasant Valley Tree Farm |
| Pleasant View Tree Farm |
| Pleasant Vista Daylilies |
| Pleasants Valley Iris Farm |
| Pleasantview Orchids |
| Pleasure Iris Gardens |
| Plimoth Plantation Museum Shops |
| Plow & Hearth |
| Plum Hill Farm Daylilies |
| Plumeria Kingdom (PlumeriaKingdom.com) |
| Plumeria Paradise (plumeriaparadise.com) |
| Plumeria People (Botanic Treasures) |
| Plumeria Thai (Lilavadee Trading Ltd.) |
| Plumeria.Info (Da Little Coffee Shack) |
| Plumeria2U |
| Plumerias UK |
| Poker Hill Gardens |
| Polish Organic Tomatoes (Polish Tomatoes in America) |
| Pollie's Daylilies and Daylily Nursery |
| Pollinator Nation |
| Polymers, Inc. |
| Pond Appeal, LLC |
| Pond Armor |
| Pond Depot.com |
| Pond Megastore |
| Pond Merchant |
| Pond Plants Direct |
| Pond Plants for Sale |
| Pond-o-Mania |
| Pondarama.com |
| Pondbiz.com |
| PonDepot |
| Ponder's Plant Services |
| PondFactory.com |
| pondforum.com (Blithestone Waterscapes LLC) |
| Pondkits.com |
| pondliner.com by Unit Liner Company |
| pondmakers.com |
| PondMart |
| Pondplants.com |
| Ponds & Gardens of Limekiln |
| Ponds n Things |
| Ponds, Plants and More |
| Ponds2go.com |
| PondSolutions.com |
| PondsOnline.ca |
| PondsOnline.com |
| PondTechnology (Resource Conservation Technology Inc.) |
| PondUSA.com |
| Pony Creek Nursery |
| POOpeas / Natural Nutrient Solutions |
| Poppy Heads Ltd. |
| PoppySeed Dreams (poppyseeddreams.com) |
| PoppySeed.org |
| Populuxe Seed Bank |
| Popupholdup™ |
| Porches & Yards |
| Porchswings.com |
| Porcupine Hollow Farm |
| Port Jeff Agway |
| Porter's Rare Heritage Turkeys |
| Porterbrook Native Plants |
| Porterhowse Farms |
| Portland Palms and Exotics |
| Portland Seed House |
| Possess The Land Nursery |
| Possibility Place Nursery |
| Possum Creek Herb Farm |
| Possum Ridge Farm and Gardens |
| Post Office Farm Nursery |
| Pot Sock-It™ |
| Potash Nursery |
| Potato Rock Nursery |
| PotHoles |
| PotLifter, Inc |
| Pots & Planters (PotsandPlanters.com) |
| Potter's Island |
| Pottertons Nursery (formerly Potterton & Martin) |
| Potteryland |
| Potting Bench Creations |
| Potting Shed Creations, Ltd. |
| Potting Solutions LLC |
| PottingBenches.com |
| PottingBlocks.com |
| Powell's Gardens |
| Poyntzfield Herb Nursery |
| Practical Gardener |
| Practically Wholesale Plants (div. of Arnat Corp.) |
| Prairie Frontier, LLC |
| Prairie Garden Seeds |
| Prairie Habitats |
| Prairie Hill Wildflowers (Wild Rose Greenhouse & Nursery) |
| Prairie Lace Gardens |
| Prairie Land Management |
| Prairie Legacy Inc |
| Prairie Moon Nursery |
| Prairie Nursery Inc. |
| Prairie Oak Publishing (formerly Prairie Oak Seeds) |
| Prairie Originals |
| Prairie Plant Systems |
| Prairie Ridge Nursery |
| Prairie Road Organic Seed |
| Prairie Seed Source |
| PrecisionGRO |
| Predatory Plants |
| Prejean's Nursery |
| Premier Ponds LLC |
| Premium Elephant Ears |
| Premium Organic Growing Products, LLC |
| Presidio Garden Products |
| Prickly Prospects Cactus Nursery |
| Primafrø |
| Primary Products |
| Prime Palm |
| Prime Seed |
| Primeval Gardens |
| Primitive Planters |
| Princeton Garden Center |
| Privett Hatchery |
| Prize Seeds.com |
| Pro Garden Supply |
| Pro Time Lawn Seed (formerly Hobbs & Hopkins Ltd.) |
| Pro-Zyme International (growpots.com) |
| Probotics |
| Productive Gardens |
| ProperPlants.com |
| ProPlugger |
| Proteaceae.eu |
| Proven Winners |
| Provence Nursery |
| PT Lawn Seed |
| Publishers Clearing House |
| Puddle and Pond |
| Pullerbear Tree, Shrub, Brush and Weed Puller |
| Pumpkin Nook (Premier Star Company) |
| PumpkinSupply.com |
| Puna Orchids |
| Pure Air Native Seed |
| Pure Food Hydroponics |
| Pure Garden Organics |
| Pure Land Ethnobotanicals |
| Pure Manure |
| Pure Peonies |
| Pure Prairie Ornamental Grasses (William Moore Farms Ltd.) |
| Pure Water Products, LLC |
| Purely Poultry |
| PurLec Hydroculture |
| Purple Haze Lavender Ltd. |
| Purposeful Plants |
| PuRRfect Plants |
| Pushepetappa Gardens (formerly C&T Nursery) |
| Puutarha.net Verkkokauppa |
| Puutarhaliike Helle OY |
