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Greenhouse Accessories Greenhouse Supplies For Sale In District Of Columbia

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Automatic Greenhouse Roof Vent Opener
Prices start at : 79.00 USD / each

The opener has a metal cylinder containing a mineral which expands when heated. This pushes a piston that opens the vent. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston.
  • Material: Aluminum
  • Product Width (in.): 5
  • Color Family: Metallics
  • Manufacturer Warranty: 1 year warranty
  • Product Height (in.): 6
  • Returnable: 90-Day
District of Columbia
Shade Cloth for 8 ft. x 8 ft. Greenhouse
Prices start at : 160.39 USD / each

They are bulky and not easy to set up or take down. The shade cloth comes in 4 foot sections so it will work with our Automatic Watering system and since the shade cloth is on the inside, it will not interfere with the Monticello Automatic Vent openers...
  •  2 sets of shade cloth 8 ft W x 4 ft. L
  •  Proudly designed and made in The USA
  •  Grommets commercial filament included
  • Returnable: 90-Day
  • Manufacturer Warranty: Limited 7 years
  • Product Weight (lb.): 5lb
District of Columbia
6 ft. 5 in. H x 4 ft. 5 in. W x 6 ft. D Harvest House Pro Gro-Tec Cover
Prices start at : 40.92 USD / box

Fits Harvest House X-Up Pro is designed to be UV resistant, 100-percent waterproof and features rip stop protection that will last for many years. The Gro-Tec material is more beneficial for plant growth than clear glass or plastic because it diffuses...
  •  Shelving and framing not included
  •  No tools required
  • Product Width (in.): 54
  • Product Height (in.): 78
  • Manufacturer Warranty: 1 year limtied
  • Product Type: greenhouse accessory
District of Columbia
Dramm Environmental Thermostat Two Stage
Prices start at : 155.99 USD / each

Use the single stage model to activate your shutters, fan, or other equipment. Protected by a durable, sealed, PVC housing for harsh conditions. Use the two stage for added protection, activating two items at pre-set temperature levels.

Specs

    Product Features

      • Non-corrosive construction: Product Features
      • 30 to 104 degree F range: Specs
      • Dual Stage Thermostat: Specs
      • Inductive Load: 4 Amp: Specs
      • Durable PVC weatherproof housing: Product Features
      District of Columbia
      14 ft. W x 12 ft. D Aluminet Greenhouse Shade Net
      Prices start at : 129.00 USD / box

      The Grandio Shade Nets are purpose made to reduce intense sunlight by 50% to keep your greenhouse cooler. Shade net is cut and tapered to fit Grandio 8 ft. May fit other similar-sized greenhouses from other manufacturers.
      • Keep your greenhouse cool: Yes
      • Product Weight (lb.): 4lb
      • Product Height (in.): 1
      • Returnable: 90-Day
      • Product Depth (in.): 150
      • Product Type: Aluminet Greenhouse Shade Net
      District of Columbia
      Greenhouse Shade Kit
      Prices start at : 39.29 USD / each

      The Palram Hobby Greenhouse Shade Kit helps prevent heat buildup in your greenhouse and shades your plants from direct sunlight. This Shade Kit is Compatible with all of Palram / Rion Greenhouses.
      •  Made from a durable, high-impact, woven material
      •  Allows approximately 30% light transmission
      • Product Type: Shade Kit
      • Returnable: 90-Day
      • Product Width (in.): 86.5 in
      • Material: Woven Nylon
      District of Columbia
      Bella 8 ft. x 12 ft. Silver Polycarbonate Greenhouse
      Prices start at : 1719.71 USD / each

      Silver Polycarbonate Greenhouse is as beautiful as it is practical. Its special bell-shape improves wind resistance and allows snow to easily slide off. It features virtually unbreakable twin-wall polycarbonate panels, creating an ideal combination of...
      • Exact Width x Depth: 8 ft 0.1 in x 11 ft 10.9 in
      • Approximate Greenhouse Depth (ft.): 12
      • Offers plenty of space for vegetables and herbs and tool storage: Yes
      • Maximum Roof Load (lb./ sq. ft.): 20.5
      • Approximate Greenhouse Height (ft.): 7
      • Frame Color Family: Metallics
      District of Columbia
      Heavy Duty Greenhouse Shelf
      Prices start at : 43.92 USD / piece

      Each shelf supports up to 90 lbs. This aluminum shelf maximizes space in a grow house and installs uniformly next to an identical one to create a seamless shelving platform. Your Palram greenhouse is prefabricated to easily mount or reposition a shelf—do...
      •  Constructed with heavy-duty galvanized steel brackets and aluminum crossbeams
      •  Mounting hardware included
      •  Modular design allows multiple shelves to be seamlessly installed side-by-side
      • Manufacturer Warranty: No
      • Product Type: Shelf
      • Product Width (in.): 24.5
      District of Columbia
      6 ft. 5 in. H x 4 ft. 5 in. W x 6 ft. D Harvest House Pro Storage/Blackout Cover
      Prices start at : 63.8 USD / box

      Speed up the flowering process within your HarvestHouse X-Up Pro shelving unit with this storage/blackout cover from FlowerHouse. The form-fitting nylon greenhouse cover also protects your X-Up Pro during the offseason by prohibiting dust, dirt, grit...
      •  1-year limited warranty
      •  No tools required
      •  Easily fits over existing X-Up Pro greenhouse shelving unit
      •  Constructed with rugged nylon for long-lasting use
      • Product Depth (in.): 72
      • Product Type: greenhouse accessory
      District of Columbia
      7 ft. 8 in. W x 14 ft. Long Greenhouse with Shelf Kit and Base
      Prices start at : 4907.23 USD / each

      H) with Automatic Openers, an Extra-large Dutch-Barn style front door with lock (30 in. Special sloped roof provides maximum head room, but prevents snow build-up; hail bounces off and the design allows heavy winds to blow over the unit.
      • Manufacturer Warranty: 1 Year Against Manufacturers Defects
      • Floor Options: Without Floor
      • Assembled Depth (in.): 168 in
      • Approximate Greenhouse Depth (ft.): 14
      • Maximum Wind Resistance (mph): 80
      • UV coated 8 mm and 10 mm thick polycarbonate glazing with 10-year warranty against manufacturer's defects: Yes
      District of Columbia
      8 ft. x 8 ft. Greenhouse Kit
      Prices start at : 3849.00 USD / pallet(unit load)

      Western red cedar kit is the ideal, year-round gardening environment that will not only maximize your greenhouse experience but also add instant character and beauty to your backyard garden.
      •  Assembly Required
      •  Before ordering, check with your local building, zoning and neighborhood association to obtain all applicable permits
      •  Outdoor Living Today customer service is available to offer information or suggestions regarding site preparation, staining or sealing the western red cedar used on the sunshed garden shed, interior decorating and storage tips are also available if requested
      • Number of Vent Openings: 2
      • Storage Capacity (cu. ft.): 390
      • Approximate Greenhouse Width (ft.): 8
      District of Columbia
      Batten Strap Webbing
      Prices start at : 13.49 USD / each

      Multi-use webbing eliminates the need to buy several different tying products! Black Polypropylene Webbing can be used as an affordable batten strapping, or for tree tying, baskets, or securing overwinter film.
      • Multi-use webbing eliminates the need to buy several different tying products: Product Benefits
      • Width: 1.75-in
      • Ship wt: 2 lb
      • UV treated woven polypropylene: Specs
      District of Columbia
      Shade Cloth for 8 ft. x 20 ft. Greenhouse
      Prices start at : 261.89 USD / each

      The Monticello Shade Cloth kit comes ready to use, no grommet installation needed. Most shade clothes go on the outside of the greenhouse, interfering with roof vent and side window functioning.
      •  Grommets commercial filament included
      •  Heavy duty Commercial Grade material (63%)
      •  5 sets of shade cloth 8 ft W x 4 ft. L
      •  7 yr warranty
      • Manufacturer Warranty: Limited 7 year
      • Product Weight (lb.): 11lb
      District of Columbia
      72 in. W x 72 in. D x 100 in. H Redwood Frame Polycarbonate Greenhouse
      Prices start at : 2182.49 USD / each

      Made in the USA, our greenhouse kits are built strong, made with natural redwood frames and virtually unbreakable twin-wall polycarbonate. Mt. Rainier models are eight ft. Manufactured for over 20 years.

      6

        • Approximate Greenhouse Width (ft.): 6
        • Assembly Required: Yes
        • Number of Vent Openings: 2
        • Approximate Width (ft.): 6
        • Storage Capacity (cu. ft.): 384
        • Door Opening Height (In.): 78
        District of Columbia
        Automatic Side Louver Window Opener
        Prices start at : 79.00 USD / each

        The vent arm was designed with the use of wax that expands with heat to push a piston, which opens the louvre window, as the air gets warmer then contracts as it cools, closing with the use of a spring.
        •  Requires a louvre side window
        •  Automatically controls ventilation, no electricity needed
        • Product Weight (lb.): 1.3 lb
        • Product Width (in.): 2 in
        • Material: Metal
        • Product Type: Accessory - Auto Side Louvre Opener
        District of Columbia
        Premium Class 8 ft. x 8 ft. Glory Greenhouse
        Prices start at : 1699.00 USD / each

        The high roof and tall eaves provide ample headroom, allotting you more space to garden and trellis tall and leafy plants. The Glory greenhouse is built from high quality materials, for a long and lasting use.
        •  Assembled dimension: 96.3 in. W x 96.3 in. D x 105.7 in. H
        •  Integrated, internal ground anchoring system offers structural support during harsh weather conditions
        •  Wide entrance door for easy access with wheelbarrow or wheelchair
        • Floor Options: Without Floor
        • Number of Vent Openings: 1
        • Manufacturer Warranty: 10 Year Limited Warranty
        District of Columbia
        Grand Gardener Clear 8 ft. x 20 ft. Greenhouse
        Prices start at : 3482.47 USD / each

        This heavy duty extruded Resin frame improves both insulation and durability. Meanwhile, the Twin-Wall roof panels diffuse over 70% of sunlight for a soft, even light. The Grand Gardener Clear features 2 kinds of virtually unbreakable Polycarbonate panels...
        • Product Weight (lb.): 399.1lb
        • Door Opening Height (In.): 76.4
        • Floor Options: Without Floor
        • Approximate Greenhouse Depth (ft.): 21
        • Frame Color Family: Greens
        • Virtually unbreakable 4 mm thick twin-wall polycarbonate roof panels are 100% UV protected and high impact resistant: Yes
        District of Columbia
        Work Bench System for 8 ft. x 16 ft. Greenhouse
        Prices start at : 348.06 USD / each

        Work Station Kit is specifically designed for the Monticello line of greenhouses (16 ft. The commercial-grade and design of the Work Station allows for quick installation (about 40 minutes) and versatility.
        •  High impact PVC vented work bench top
        •  Designed for either side of greenhouse
        •  10-year warranty
        • Product Weight (lb.): 40lb
        • Product Type: greenhouse accessory
        • Material: metal, plastic
        District of Columbia
        Greenhouse Package Complete with Natural Ventilation
        Prices start at : 7090.19 USD / each

        Everything but the lumber! Our greenhouse kits come with complete frame assembly with four-foot bow spacing, double layer four-year six-mil poly film, poly attachement system, one heavy duty storm door and all the necessary thermostat controllers.

        Specs

          • Includes: Two 48' manual roll up side curtains, one 115,000 BTU heater with vent pipe and hanger, and two 20" Uni-Flo HAF (horizontal air flow) fans.: Specs
          • Size: 22 feet x 48 feet
          • 40" ground anchors for frame included: Specs
          • Description: Includes Two 48 ft manual roll up side curtains. 115,000 BTU heater with vent pipe and hanger. Two 20 in Uni-Pro HAF fans.
          District of Columbia
          Harvest House 8 ft. x 6 ft. x 9 ft. Poly Opaque Greenhouse
          Prices start at : 177.47 USD / each

          This beautiful greenhouse is both beautiful and spacious. It also has a large zippered front door for easy access. It features a large zippered vent in the back well.

          108

            • Door Opening Height (In.): 108
            • Approximate Greenhouse Width (ft.): 6
            • Easy setup: Yes
            • Number of Vent Openings: 0
            • Product Height (in.): 108
            • Assembled Height (in.): 108 in
            District of Columbia
            GrowIt 11.8 in x 41.3 in x 4.1 in Raised Bed Greenhouse with Fully Closable Cover
            Prices start at : 66.14 USD / each

            Roll-up cover provides airflow and temperature control. This easy-to-assemble, compact greenhouse is constructed with high quality steel. Grow and protect plants with this raised bed greenhouse.

            1

              0

                • Approximate Greenhouse Height (ft.): 1
                • Number of Vent Openings: 1
                • Door Opening Height (In.): 0
                • Door Opening Width (In.): 0
                • Product Weight (lb.): 18.05lb
                • Greenhouse Features: No additional features
                District of Columbia
                10 ft. W x 20 ft. L x 9 ft. H Gable Greenhouse
                Prices start at : 604.99 USD / each

                Decorative powder coat finish matches valance on cover and walls. Wing nut assembly does not require tools and is easy to set up. Spring Gardener gable greenhouse # IS 71020 is lightweight and portable even after assembly.
                • Floor Options: Without Floor
                • Approximate Greenhouse Width (ft.): 10
                • Manufacturer Warranty: 1 year limited warranty against manufactures defects and workmanship
                • Product Weight (lb.): 178lb
                • Door Opening Height (In.): 108
                • Frame Color Family: Grays
                District of Columbia
                Poly Latch/Wiggle Wire 8\' base
                Prices start at : 8.99 USD / each

                Poly Latch Base made from aluminum and Poly Latch Wire from stainless steel. Holds material up to 20 mil thick. Secure film or shade fabric to structures, in conjunction with our PLW4 wire.
                • 8' aluminum section: Specs
                District of Columbia
                28.7 in. W x 56.2 in. D x 76.8 in. H 3-Tier 6 Shelf Greenhouse Replacement Cover
                Prices start at : 34.26 USD / package

                Ogrow Heavy duty reinforced replacement cover will enable you to continue your plantings in no time. UV protected cover with zips for easy access and ventilation. Fits Ogrow 3-Tier 6 Shelf Greenhouse or Greenhouse frame size measuring 28.7 in.

                0

                  • Frame Color Family: Greens
                  • Door Opening Width (In.): 0
                  • Returnable: 90-Day
                  • Easy hook and loop connection vs ties for easy assembly and stronger, longer lasting life span: Yes
                  • Door Opening Height (In.): 0
                  • Maximum Wind Resistance (mph): 5
                  District of Columbia
                  Ascent 8 ft. W x 20 ft. D x 8 ft. H Heavy-Duty Aluminum Greenhouse Kit
                  Prices start at : 2942.49 USD / package

                  The heavy-duty construction coupled with 6mm twin-wall polycarbonate panels results in outstanding thickness for winter insulation. Carefully engineered to perform in the harshest environments the 1.6mm profile aluminum frame provides a stronger and more...
                  • Approximate Greenhouse Width (ft.): 8
                  • 6 ft. door height with an 7 ft. 9 in. interior height provides plenty of headroom and ample growing space: Yes
                  • Maximum Roof Load (lb./ sq. ft.): 0
                  • Product Weight (lb.): 380lb
                  • Assembled Height (in.): 93 in
                  • Assembled Width (in.): 97 in
                  District of Columbia
                  6 ft. 5 in. H x 4 ft. 5 in. W x 6 ft. D Harvest House Pro Greenhouse
                  Prices start at : 182.00 USD / each

                  No tools required, just lift the shelving X-Up hinged frame, lock into place with side bars, place roof supports and shelf trays and slip the cover of your choice over the framework.
                  •  Stakes, high wind tie downs included
                  •  Folds down for compact storage when not in use
                  • Frame Color Family: Clear
                  • Number of Vent Openings: 1
                  • Approximate Greenhouse Width (ft.): 4
                  • Maximum Wind Resistance (mph): 30
                  District of Columbia
                  To Fit Frame Size 15 ft. x 6 ft. x 6 ft. 2 Door Walk-In Tunnel Greenhouse Replacement Cover in White
                  Prices start at : 101.31 USD / each

                  Complete with Hook and Loop connection for greater stability when attached to wall. UV protected cover with zips for easy access and ventilation. Don't let the damage of your greenhouse cover mean that you have to buy a whole new greenhouse.
                  •  Assembled dimensions 180 in. L x 72 in. H x 72 in. W door dimensions 64 in. H x 52 in. W window dimensions 21 in. H x 29 in. W
                  •  Doors and 4 mesh protected roll-up windows allow for cross ventilation and climate control
                  • Greenhouse Features: Walk-in
                  • Maximum Wind Resistance (mph): 5
                  • Installation Available: No
                  • Assembled Width (in.): 72 in
                  District of Columbia