Greenhouses in Maryland
- Bru-Mar Gardens LLC, Greenhouse, Annapolis
- B.Willow, Greenhouse, Baltimore
- Twisted Roots Rare & Common Plants, Greenhouse, Bel Air
- Valley View Farms, Greenhouse, Cockeysville
- Greenhouse, Greenhouse, Dundalk
- The Dutch Plant Farm, Greenhouse, Frederick
- Evergreen Gene's Garden Center, Greenhouse, Glen Burnie
- Catoctin Mountain Growers, Greenhouse, Keymar
- Potomac Garden Center, Greenhouse, North Potomac
- Pleasant Valley Greenhouse, Greenhouse, Oakland
- Poor Boy's, Greenhouse, Parkville
- Phyto Ecology, Greenhouse, Ridgely
- Meehan’s Miniatures, Greenhouse, Rohrersville
- Gary's Gardens, Greenhouse, Severna Park
- Nature Isle Hydro & Gardening, Greenhouse, White Marsh
- American Plant, Greenhouse
- Barrick Garden Center, Greenhouse
- Bonnie Plant Farm, Greenhouse
- Gambrills Flower Farm, Greenhouse
- Green Acres Garden Center, Greenhouse
- Green Neighbor, Greenhouse
- Hillcrest Nursery, Greenhouse
- Homestead Gardens, Greenhouse
- Kind Therapeutics USA, Greenhouse
- Lovell's, Greenhouse
- Moon Nurseries, Greenhouse
- R&D Cross, Greenhouse
- Radebaugh Florist & Greenhouses, Greenhouse
- Rewild, Greenhouse
- Riva Gardens, Greenhouse
- Stadler Nursery, Greenhouse
- Terrain Plants, Greenhouse
- Thanksgiving Farms Unique Garden, Greenhouse
- The Cobbler's County Gift and Garden Shop, Greenhouse