| Company |
| L J Accents |
| L.H. Stowell &Son |
| L'Atelier Vert |
| La Cygne Daylily Farm LLC |
| La Pivoinerie D'Aoust |
| La Vie En Rose Gardens |
| Labels 4 Plants (Advanced Labelling Systems) |
| Labelsbythesheet.com (a div. of Creative Label Concepts) |
| LaBrake's Garden Path & Pond, LLC |
| Lace Leaf Nursery |
| Ladies in Red |
| Ladybug Daylilies |
| Ladybug Farms |
| Ladybug Herbs of Vermont |
| Ladybug Run (Lawrence Gardens) |
| Lafayette Home Nursery |
| Lagrant's Honeybees and Supplies |
| Lake County Pines |
| Lake Nurseries Pty Ltd |
| Lake Region Nursery |
| Lake Superior Tree Farms and Nursery |
| Lake Tree Farm |
| Lake Valley Seed |
| Lakeshore Tree Farms Ltd. |
| Lakeside Acres Hosta |
| Lakeside Daylilies |
| Lakeside Gardens |
| Lakeside Nursery Inc. |
| Lakeside Seeds |
| Lakeview Farms |
| Lamberton Nursery |
| Lambley Nursery |
| Lamtree Farm Nursery |
| Lana's Country Garden (lanascountrygarden.com) |
| Land Fair Gardens |
| Land of the Giants Hosta Farm |
| Landis Valley Museum Heirloom Seed Project |
| LandMark Gardens |
| Landscape Advice - Garden Designer |
| Landscape Alternatives Inc. |
| Landscape USA (Rain or Shine) |
| Landscape Vision, LLC |
| Landwave Gardens |
| Laneside Alpines & Hardy Orchids |
| Langhale Gardens (Taylors Garden Buildings) |
| Langley Boxwood Nursery |
| Larch Cottage Nurseries |
| Lark Seeds International |
| Larner Seeds |
| Larry's Orchids |
| Larry's Poultry & Equipment |
| Larsen's Warm Climate Bulbs |
| Las Pilitas Nursery |
| Lassen Canyon Nursery, Inc. |
| Lauer's Flowers |
| Laughin' Farms Garlic |
| Lauray of Salisbury |
| Laurel Creek Trees (formerly Laurel Creek Nursery) |
| Laurel Farm Herbs |
| Laurel Hill Nursery LLC |
| Laurel's Heirloom Tomato Plants |
| Laurie's Garden |
| Laurie's Landscape |
| Lausitzer Pfingstrosen |
| Lavender Ceek Farm |
| Lavender Fields Herb Farm |
| Lavender Wind Farm |
| Lawn UK |
| LawnbeltUSA.com |
| Lawnmower Depot (Dolphin Outdoor Equipment) |
| LawnPlugs.com |
| Lawnrite |
| Lawnseed.com |
| Lawson's Nursery |
| Lawyer Nursery |
| Lazy K Nursery |
| Lazy Ox Farm |
| Lazy's Red Wigglers |
| LBS Garden Direct |
| Le Gro Gardens |
| Le Jardin du Gourmet (Artistic Gardens) |
| Le Jardin du Pic-Vert |
| Le Jardin Joli |
| Le Jardin Lochois |
| Le Jardin Naturel |
| LEA Organics |
| Leaf & Learn (leafandlearn.com) |
| Leafari |
| Leaves and Petals Garden Center |
| LeBallister's Seed |
| LeBeau Bamboo Nursery |
| Ledgewood Gardens |
| Lee Valley Tools, Ltd. |
| Lee's Botanical Gardens |
| Lee's Gardens |
| Lee's Nursery |
| Lee's Tropicals |
| Lefroy Valley |
| Legacy Hydroponics |
| Legg Creek Farm |
| Legg's Peafowl Farm |
| LeGro Gardens |
| Legup Enterprises, Inc. |
| Lehigh Daylily Garden |
| Leilani Nepenthes |
| LemonCitrusTree.com (John Silvia LLC) |
| Lenington Gardens |
| LentenRose.com |
| Leo Burbee Bulb Co |
| Leo Schordje |
| Leonard W. Butt (Butt's Berry and Flower Farm) |
| Leonine Iris |
| Les Bonsai Enr. |
| Les Jardins Osiris |
| Les Semailles |
| Leuthardt Nurseries, Inc |
| Lewis Bamboo Groves |
| Lewis Mountain Herbs & Everlastings |
| Lexington Outdoor Solutions |
| Lexisgreenhouses & Supplies (Lexisgreenhouses and Supplies) |
| LG-BAGZ-IT (LG Concepts Inc.) |
| Libby's Landscaping and Greenhouse |
| Liberty Seed Company Oregon |
| Lighthouse Gardens |
| Lighthouse Gardens |
| Lilac Hill Nursery |
| Lilacs Forever |
| Lilies and Dollies |
| Lilies from the Valley |
| Lilies in Bloom |
| Lilies in The Valley |
| Lillie Lu's Garden |
| Lily Garden Aquatic Nursery |
| Lily House on the Prairie |
| Lily Pool Water Gardens |
| LilyBLOOMS Aquatic Gardens |
| Lilypons Water Gardens |
| Lilyseeds.com (Ribbon Nursery) |
| Lilywood Farms, LLC |
| Limestone Creek Wildflower Nursery |
| Limmer's Gardens |
| Lincluden Nursery |
| Linda's Antique Roses |
| Linda's Dahlias |
| Lindenberg Seeds Ltd. |
| Lingen Nursery and Garden |
| Lingle's Herbs |
| Linton & Linton Bamboo |
| Lion's Den Orchids |
| Lipenwald Inc. |
| Liquid Fertilizer, Organic Naturally |
| Lisa Mannion Clivia |
| Lisa's Lilies |
| Listening Lizard Daylilies |
| Lithovit Canada |
| Lithuanian Rare Bulb Garden |
| Little Acre Farm Bamboo Nursery |
| LIttle Falls Epi Nursery |
| Little Giant Blueberries |
| Little Miss Seedy |
| Little Otter Tree Farm |
| Little Prince of Oregon Nursery |
| Little River Farm |
| Little Shop of Horrors (South West Carnivorous Plants Nursery) |
| Little Valley Wholesale Nursery |
| Little's Good Gloves |
| Littlefrog Farm |
| Live Aquaria |
| Live Earth Products |
| Live Herb Nursery |
| Live Monarch Foundation Butterfly Garden Seeds |
| Live Oak Gardens Ltd |
| Live Oak Orchids, Ltd. |
| Living Art Gardens |
| Living Cycads Nursery |
| Living Fossil Nursery Inc. |
| Living Gardens |
| Living Prairie Museum |
| Living Stones Nursery (Plants for the Southwest) |
| Living Water Aeration |
| Living Wreath |
| Liz & Richard's Birds & Blooms |
| Lobaugh's Dahlias |
| LocalHarvest |
| Loch Ness Water Gardens |
| Lochlands Caravan Park and Garden Centre |
| Loder Plants |
| Loen Nursery |
| Loess Roots |
| Logan Nursery |
| Logee's Greenhouses, Ltd. |
| Lone Star Orchids |
| LoneWillow Farm (aka Roane Grown Nursery) |
| Long Ago Roses |
| Long Creek Herbs |
| Long Island Hydro (The Grape Vine Hydroponics) |
| Long Island Seed Co. |
| Long Island's Home of Hosta |
| Long Ridge Mushrooms |
| Long's Gardens |
| Longacres Farm |
| Longfield Gardens |
| Longhedges Estate LLC |
| Longnecker Garden Tools |
| Longstock Park Nursery |
| Lonnie's Bulk Seeds |
| Loon Song Gardens, LLC |
| Loresco Tropical Plants |
| Lost Creek Mushroom Farm |
| Lots of Plants |
| Lottah Nursery |
| Lou's Bonsai (Lousbonsai.biz) |
| Louis Del Favero Orchids, Inc. |
| Louisiana GARDENER |
| Louisiana Iris Farms, LLC |
| Louisiana Iris Gardens |
| Louisiana Nursery (Durio Nursery) |
| Love Gardens |
| Love House Dahlias |
| Love Sown God Grown (Wendy Wiegert) |
| Lovelight Herb Farm |
| Lovett's Daylily Garden |
| Lowe's Orchids |
| Lowe's Own-Root Roses |
| Lower Marlboro Nursery |
| Lowes |
| Lowes Creek Tree Farm |
| Lucky Dreamer Herb Farm Bed & Breakfast |
| Lucky-Bamboo.com |
| Lucy's Cat Grass |
| Ludwig's Roses |
| LuffaSeeds.com |
| Luna Maya Stone Planters |
| Lupine Gardens, LLC |
| Lush Plants Nursery |
| Lushan Inc. (ezmister.com) |
| LycheesOnline |
| Lydia's Garden and General Store |
| Lyman's Nursery |
| Lynch Creek Dahlias |
| Lynch Creek Farm |
| Lynd Fruit Farm Daylilies |
| Lyndon Lyon Greenhouses, Inc. |
