School & Institutional Supplies

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      785 products
      Garland Mini Garden Tray without Holes Black - Greenhouse Megastore
      Garland Mini Garden Tray without Holes Black - Greenhouse Megastore
      Garland Mini Garden Tray without Holes Black
      Starting at $10.00
      Sale
      Wetsel Seed™ Marigold Tall Crackerjack Mix Seed - Greenhouse Megastore
      Wetsel Seed™ Marigold Tall Crackerjack Mix Seed - Greenhouse Megastore
      Wetsel Seed™ Marigold Tall Crackerjack Mix Seed
      $0.45 $1.79

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      PRO - MIX® HP Biofungicide™ + Mycorrhizae™ Growing Medium - Greenhouse Megastore
      PRO - MIX® HP Biofungicide™ + Mycorrhizae™ Growing Medium - Greenhouse Megastore
      PRO-MIX® HP Biofungicide™ + Mycorrhizae™ Growing Medium
      Starting at $31.99
      Flow Tray - Greenhouse Megastore
      Flow Tray
      $39.00
      Jack's Nutrients Calcium Nitrate Part B Fertilizer - Greenhouse Megastore
      Jack's Nutrients Calcium Nitrate Part B Fertilizer - Greenhouse Megastore
      Jack's Nutrients Calcium Nitrate Part B Fertilizer
      Starting at $14.55
      SUNPACK® Heavy Duty 5" Shallow Square Pot - Greenhouse Megastore
      SUNPACK® Heavy Duty 5" Shallow Square Pot - Greenhouse Megastore
      SUNPACK® Heavy Duty 5" Shallow Square Pot
      Starting at $15.12
      PRO - MIX 1 cu. ft. Bag Premium Organic Vegetable and Herb Mix - Greenhouse Megastore
      PRO-MIX 1 cu. ft. Bag Premium Organic Vegetable and Herb Mix
      $11.99
      Grower Select Round Coex Mum Pan - Greenhouse Megastore
      Grower Select Round Coex Mum Pan - Greenhouse Megastore
      Grower Select Round Coex Mum Pan
      Starting at $4.90
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      Jiffy® Peat Pots - Retail Packaging - Greenhouse Megastore
      Jiffy® Peat Pots - Retail Packaging - Greenhouse Megastore
      Jiffy® Peat Pots - Retail Packaging
      Starting at $1.11 $1.59

      Save $0.48

      Garland 24 Cell Fast Root Success Kit - Greenhouse Megastore
      Garland 24 Cell Fast Root Success Kit - Greenhouse Megastore
      Garland 24 Cell Fast Root Success Kit
      $8.49
      Garland Large Windowsill Tray - Greenhouse Megastore
      Garland Large Windowsill Tray - Greenhouse Megastore
      Garland Large Windowsill Tray
      Starting at $39.45
      Garland 24 Cell Seed Starter Kit - Greenhouse Megastore
      Garland 24 Cell Seed Starter Kit - Greenhouse Megastore
      Garland 24 Cell Seed Starter Kit
      $7.65
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      Garland Large High Dome Propagator - Greenhouse Megastore
      Garland Large High Dome Propagator - Greenhouse Megastore
      Garland Large High Dome Propagator
      $9.49
      Proven Winners Premium Water Soluable Plant Food - Greenhouse Megastore
      Proven Winners Premium Water Soluable Plant Food
      $15.99
      RediRoot Air Pruning Propagation Tray - Greenhouse Megastore
      RediRoot Air Pruning Propagation Tray - Greenhouse Megastore
      RediRoot Air Pruning Propagation Tray
      Starting at $17.79
      Jack's Fertilizer 20-3-19 Petunia FeED - Greenhouse Megastore
      Jack's Fertilizer 20-3-19 Petunia FeED - Greenhouse Megastore
      Jack's Fertilizer 20-3-19 Petunia FeED
      $56.50
      Espoma Organic Rose - Tone 4 - 3 - 2 - Greenhouse Megastore
      Espoma Organic Rose-Tone 4-3-2
      Starting at $7.69
      Garland Large Self Watering Plant Tray - Greenhouse Megastore
      Garland Large Self Watering Plant Tray - Greenhouse Megastore
      Garland Large Self Watering Plant Tray
      $18.69
      Sale
      Wetsel Seed™ Sunflower Dwarf Big Smile Seed - Greenhouse Megastore
      Wetsel Seed™ Sunflower Dwarf Big Smile Seed - Greenhouse Megastore
      Wetsel Seed™ Sunflower Dwarf Big Smile Seed
      $0.45 $1.79

      Save $1.34

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      Wetsel Seed™ Japanese Bunching Onion Seed - Greenhouse Megastore
      Wetsel Seed™ Japanese Bunching Onion Seed - Greenhouse Megastore
      Wetsel Seed™ Japanese Bunching Onion Seed
      $0.50 $1.99

      Save $1.49

      Garland Narrow Seed Tray - Greenhouse Megastore
      Garland Narrow Seed Tray - Greenhouse Megastore
      Garland Narrow Seed Tray
      Starting at $10.45
      Sale
      Wetsel Seed™ Lavender English True Seed - Greenhouse Megastore
      Wetsel Seed™ Lavender English True Seed - Greenhouse Megastore
      Wetsel Seed™ Lavender English True Seed
      $0.50 $1.99

      Save $1.49

      Jack's Nutrients 5 - 12 - 26 Part A Fertilizer - Greenhouse Megastore
      Jack's Nutrients 5 - 12 - 26 Part A Fertilizer - Greenhouse Megastore
      Jack's Nutrients 5-12-26 Part A Fertilizer
      Starting at $18.95
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      Gardener Select® 14 in. Replacement Parasol Coco Liner - Greenhouse Megastore
      Gardener Select® 14 in. Replacement Parasol Coco Liner
      Starting at $44.00
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      Pöppelmann TEKU® MCO Translucent Orchid Pot - Greenhouse Megastore
      Pöppelmann TEKU® MCO Translucent Orchid Pot - Greenhouse Megastore
      Pöppelmann TEKU® MCO Translucent Orchid Pot
      Starting at $13.25
      Garland Square Tall Side Garden Tray - Greenhouse Megastore
      Garland Square Tall Side Garden Tray
      Starting at $34.77
      Sold Out
      Wetsel Seed™ Paris Island Cos Romaine Lettuce Seed - Greenhouse Megastore
      Wetsel Seed™ Paris Island Cos Romaine Lettuce Seed - Greenhouse Megastore
      Wetsel Seed™ Paris Island Cos Romaine Lettuce Seed
      $1.99
      Sold Out
      SUNPACK® White 1020 Trays Mega Heavy Duty - Pack of 5 - Greenhouse Megastore
      SUNPACK® White 1020 Trays Mega Heavy Duty - 5 trays
      $39.75
      Sale
      Wetsel Seed™ Dill Long Island Mammoth Seed - Greenhouse Megastore
      Wetsel Seed™ Dill Long Island Mammoth Seed - Greenhouse Megastore
      Wetsel Seed™ Dill Long Island Mammoth Seed
      $0.50 $1.99

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      Wetsel Seed™ Cucumber Burpless 2 Seed - Greenhouse Megastore
      Wetsel Seed™ Cucumber Burpless 2 Seed - Greenhouse Megastore
      Wetsel Seed™ Cucumber Burpless #2 Seed
      $0.50 $1.99

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      Wetsel Seed™ Basil Sweet Seed - Greenhouse Megastore
      Wetsel Seed™ Basil Sweet Seed - Greenhouse Megastore
      Wetsel Seed™ Basil Sweet Seed
      $0.50 $1.99

      Save $1.49

      Garland Watering Tray with Capillary Matting - Greenhouse Megastore
      Garland Watering Tray with Capillary Matting - Greenhouse Megastore
      Garland Watering Tray with Capillary Matting
      $7.99
      Bonide DeadBug Brew - Greenhouse Megastore
      Bonide DeadBug Brew - Greenhouse Megastore
      Bonide DeadBug Brew
      Starting at $8.09
      Belden 6 in. x 6.5 in. Black Magnum Square Pot - Greenhouse Megastore
      Belden 6 in. x 6.5 in. Black Magnum Square Pot
      Starting at $11.50
      Zipset Plant Bands - Pack of 16 - Greenhouse Megastore
      Zipset Plant Bands - 16 plant bands
      $11.04
      Sold Out
      Western Pulp Square Pots - Greenhouse Megastore
      Western Pulp Square Pots - Greenhouse Megastore
      Western Pulp Square Pots
      Starting at $62.50
      Dyna-Gro Pure Neem Oil - Greenhouse Megastore
      Dyna-Gro Pure Neem Oil
      Starting at $14.99
      16 Hangers for Western Pulp Hanging Garden Baskets - Greenhouse Megastore
      #16 Hangers for Western Pulp Hanging Garden Baskets
      Starting at $18.99
      Sale
      Wetsel Seed™ Cilantro/Coriander Seed - Greenhouse Megastore
      Wetsel Seed™ Cilantro/Coriander Seed - Greenhouse Megastore
      Wetsel Seed™ Cilantro/Coriander Seed
      $0.50 $1.99

      Save $1.49

      Garland 11.5 in. Plant Halo - Set of 3 - Greenhouse Megastore
      Garland 11.5 in. Plant Halo - Set of 3 - Greenhouse Megastore
      Garland 11.5 in. Plant Halo - Set of 3
      $10.00
      ferti - lome® The Gold Canadian Sphagnum Peat Moss - Greenhouse Megastore
      ferti-lome® The Gold Canadian Sphagnum Peat Moss
      $25.59
      Coast of Maine® 20 qt. Bag Rose & Flower Planting Soil - Greenhouse Megastore
      Coast of Maine® 20 qt. Bag Rose & Flower Planting Soil
      $9.59
      Sale
      Wetsel Seed™ Lilliput Mix Zinnia Seed - Greenhouse Megastore
      Wetsel Seed™ Lilliput Mix Zinnia Seed - Greenhouse Megastore
      Wetsel Seed™ Lilliput Mix Zinnia Seed
      $0.45 $1.79

      Save $1.34

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      Wetsel Seed™ Tomato Beefsteak Seed - Greenhouse Megastore
      Wetsel Seed™ Tomato Beefsteak Seed - Greenhouse Megastore
      Wetsel Seed™ Tomato Beefsteak Seed
      $0.50 $1.99

      Save $1.49

      Jiffy® 7C Coco Pellets - Case of 756 - Greenhouse Megastore
      Jiffy® 7C Coco Pellets - Case of 756 - Greenhouse Megastore
      Jiffy® 7C Coco Pellets - 756 pellets
      $45.36
      Sale
      Wetsel Seed™ Pepper Jalapeno M Seed - Greenhouse Megastore
      Wetsel Seed™ Pepper Jalapeno M Seed - Greenhouse Megastore
      Wetsel Seed™ Pepper Jalapeno M Seed
      $0.50 $1.99

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      Wetsel Seed™ Peppers California Wonder Seed - Greenhouse Megastore
      Wetsel Seed™ Peppers California Wonder Seed - Greenhouse Megastore
      Wetsel Seed™ Peppers California Wonder Seed
      $0.50 $1.99

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      Wetsel Seed™ Zinnia Cut & Come Again Seed - Greenhouse Megastore
      Wetsel Seed™ Zinnia Cut & Come Again Seed - Greenhouse Megastore
      Wetsel Seed™ Zinnia Cut & Come Again Seed
      $0.45 $1.79

      Save $1.34