- Marclif Greenhouse
- Marianna Green Houses
- Marilyn's Exotic Orchid
- Marilyn's Greenhouse
- Marion's Greenhouse Hobby Shop
- Mariposa Garden
- Mark Elzinga Greenhouses
- Mark's Gardens & Plants Unltd
- Mark's Lawn & Garden
- Marley's Greenhouse
- Marlin Plant Kingdom
- Marlow Orchids
- Marshburn's Plant Farm
- Marshfield Greenhouse
- Martens Greenhouse
- Martha's Greenhouse
- Martin Orchids
- Martin's Agway
- Martin's Greenhouse
- Martin's Greenhouse & Nursery
- Marty's Greenhouse
- Marty's Orchids & Rentals
- Marty's Yarden
- Marty-Moore's Greenhouse
- Marty-Moore's Greenhouses
- Marvin Whals Whare House
- Mary Margaret Greenshouses
- Mary's Greenhouse Inc
- Mary's Grenhouses & Gardens
- Maryann Teofilo's Greenhouse
- Massi's Greenhouses
- Masters' Greenery
- Masters' Greenery
- Matanuska Gardens
- Matheny Farm & Greenhouses
- Matheny Farm & Greenhouses
- Matheny Farm & Greenhouses
- Matsuda Nursery Inc
- Matsuda Nursery Inc
- Matt's Greenhouse
- Matt's Greenhouse
- Matthews Greenhouses
- Maudie's Greenhouse
- Maui Flower Growers
- Mauna Kea Orchids
- Mauna Kea Orchids
- Mauna Loa Farm Inc
- Mauna Loa Farm Inc
- May Greenhouses
- May River Orchids
- May's Greenhouse
- May's Melon Farm
- Mayerseed
- Mayflower Greenhouse
- Mays Greenhouse
- MBG Greenhouse
- MBS Seed LTD Co
- Mc Adams Greenhouse
- Mc Alister Greenhouses
- Mc Allister Greenhouses
- Mc Allister's Greenhouses
- Mc Call Flower Farm
- Mc Call Flower Farm
- Mc Carty Gardens
- Mc Cauley's Greenhouses
- Mc Clish's Plants Plus
- Mc Connell's Plantland
- Mc Cord Greenhouses
- Mc Cutchen Florist
- Mc Daniel's Greenhouse
- Mc Donald's Greenhouse LTD
- Mc Kenzie Green House
- Mc Lain Greenhouses
- Mc Lane Orchids
- Mc Lellen Botanicals
- Mc Nitt Gardens & Greenhouse
- Mc Pherson's Greenhouses WHOL
- Mc Plants Greenhouse & Garden
- Mc Vickers Greenhouse
- Mc Wethy Farms
- Mcgill Greenhouse
- Meade's Greenhouses
- Meadow Acres Greenhouse
- Meadow Bridge Greenhouse
- Meadow Flower Greenhouse
- Meadow View Growers Inc
- Meadowbrook Farm
- Meadowbrook Farm
- Meadows Greenhouse
- Medary Acres Greenhouse
- Meinema Greenhouses
- Meiring Greenhouse
- Meister Greenhouses
- Mel's
- Mel's
- Melvin & Betty's Greenhouse
- Mendoza Dighton Plants
- Mensi's Greenhouse
- Meridian Street Greenhouse
- Merrifield's Garden Hut
- Merrifield's Garden Hut
- Merry Bee Farm & Greenhouse
- Merv's Greenhouse
- Meschke's Greenhouse
- Metrolina Greenhouses
- Mex Greenhouses Inc
- MGR Orchids
- Miami Orchids & Exotics
- Miami Valley Flora Farm
- Micandy Garden Greenhouses
- Michael Collin Orchids & Flrst
- Michael's Greenhouses
- Michael's Greenhouses
- Michael's Greenhouses
- Michel's Greenhouse
- Michelle's Greenhouses
- Mid Michigan Greenhouses
- Mid-West Seed Svc Inc
- Middle Ridge Gardens
- Middleway Farm
- Midway Greenhouse
- Midwest Seed Genetics
- Mike Weber Greenhouses
- Mike's Country Market & Grnhse
- Mike's Greenhouse
- Mikes Growers Outlet
- Milams Greenhouse
- Milams Greenhouse
- Milassco Greenhouse
- Mile 5.2 Greenhouse LLC
- Mile High Greenhouse
- Mile Tree Lawn & Garden
- Miles City Greenhouse
- Mill Creek Flowers
- Mill Creek Gardens
- Mill Creek Greenhouses
- Mill River Farm
- Miller Flowers Greenhouse
- Miller Gardens
- Miller Greenhouse
- Miller Greenhouses
- Miller's Country Garden
- Miller's Farm & Greenhouse
- Miller's Farm Market
- Miller's Greenhouse
- Miller's Greenhouse
- Miller's Greenhouse
- Miller's Greenhouse
- Miller's Greenhouse
- Miller's Greenhouse Inc
- Mills Greenhouse
- Millstone Valley Nursery
- Minden Hill Farms
- Minge's Greenhouse
- Miracle Greenhouse
- Miramar Orchid
- Mischel Greenhouses
- Miskovsky Greenhouse
- Mislow Orchids
- Miss K Greenhouses
- Mistimorne Plants
- Misty Mountain Greenhouse
- Misty Mountain Greenhouse
- Misty Mountain Seed Co
- Mitch's Flower & Produce
- Mitchell's Greenhouses & Nrsry
- Miyasato Orchids
- Mizio's Greenhouse
- Moani Farms
- Moani Farms
- Mojo Farms
- Molesky Greenhouses
- Molloys Greenhouse
- Molly's Greenhouse
- Moncrief's Greenhouse
- Mondovi Greenhouses
- Monroe Gardens LLC
- Monsanto Co
- Monsanto Seeds
- Monsanto Soybean Production
- Montezuma Produce Co
- Montgomery Co Greenhouses
- Montgomery Gardens
- Monticello Greenhouses
- Montrose Greenhouse
- Moon Valley Plant Co
- Moonlight Gardens Greenhouse
- Moore Farm Greenhouse
- Moore Greenhouses
- Moore's Green House
- Moore's Greenhouse
- Moraine Gardens
- Morgan Avenue Greenhouses
- Morning Dew Gardens
- Morris Greenhouses
- Morrison's Greenhouse & Lndscp
- Morrison's Greenhouse & Lndscp
- Morrison's Greenhouses
- Morroni's Greenhouse
- Mortensen's Greenhouse
- Mother Earth Greenhouse
- Mother's Earth Greenhouse
- Motl's Greenhouse
- Motman's Greenhouses
- Moultonbrook Farm & Greenhouse
- Mount Eden Greenhouse
- Mount Hermon Green House
- Mountain Comprehensive Care
- Mountain Greenery Greenhouse
- Mountain Produce
- Mountain Valley Greenhouses
- Mountain Valley Growers
- Mountain View Farm Greenhouses
- Mountain View Gardens Inc
- Mountain View Green Houses
- Mountain View Greenhouses
- Moyers Greenhouse
- Mt Garfield Greenhouse
- Mt Greylock Green Houses
- Mt Hope Herb Farm & Greenhouse
- Mt Pleasant Garden Ctr
- Mt Princeton Greenhouses
- Mt View Anthuriums
- Mt View Anthuriums
- Mt View Orchids
- Mt View Orchids
- Mt Vision Garden Ctr
- Muchow's Green House
- Mueller Farms Inc
- Mueller's Greenhouses
- Muhlestein Greenhouse
- Mull's Greenhouses
- Munday's Greenhouse
- Murray Farms Greenhouse
- Murray Lake Greenhouse
- Musante's Greenhouses & Flower
- Mustard Seed Gardens & Gifts
- Mustard Seed Greenhouse
- My Garden
- My Little Greenhouse Inc
- My Nest Greenhouse
- My Orchids
- N G Heimos Greenhouses
- Nachtigall Greenhouse & Supply
- Nadine's Gardenhouse
- Nagle Garden Ctr
- Nails By Youko
- Nakaoka Orchids
- Nakaoka Orchids
- Nancy's Custom Greenhouse
- Nancy's Greenhouse
- Nancy's Greenhouse
- Nantucket Hydrangea & Botncl
- Nantucket Hydrangea & Botncl
- Napps Greenhouses
- NAPS Off-Campus Program
- Naranja Nursery
- Nash Greenhouse
- Native Roots Garden Ctr Inc
- Native Roots Garden Ctr Inc
- Natural Beauty Growers
- Natural Beauty Of Iowa
- Natural Creations
- Naturally Fresh Taste Inc
- Nature Lane Greenhouse
- Nature Of Things
- Nature's Gifts Greenhouse
- Nature's Green Nursery Inc
- Natures Harvest
- Natures Place Garden Ctr
- Natures Way
- Neche Greenhouse & Garden Ctr
- Neff's Plant Haven
- Neitzert's Greenhouse & Flrst
- Nelson Floral Gardens Grnhse
- Nelson Greenhouses
- Nelson Nursery & Greenhouses
- Nesselrodt's Greenhouse
- Nest
- Nester's Greenhouse
- New Beginnings Greenhouse
- New Eden Herbals & Gardens
- New England Tropical Cnsrvtry
- New Generation Greenhouse Rtl
- New Hope Greenhouses
- Newfane Greenhouse & Nursery
- Newman's Nursery
- Newman's Nursery
- Newton Greenhouse
- Nexus Greenhouse
- NGO Orchids
- Nichol's Flowers & Greenhouses
- Nick's Greenleaf Gardens
- Nickell's Garden Ctr
- Nieman's Greenhouse & Nursery
- Nieminen's Gardens
- Nina's Plants
- Nishitani Greenhouse
- Nitta Nursery
- NLB Greenhouses
