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Greenhouse Accessories Greenhouse Supplies For Sale In Portland

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

The opening and closing of the vent is gradual allowing just the right amount of air flow for cooling. As the temperature cools, the mineral shrinks and a spring closes the vent and resets the piston.
  •  Solar powered, heat activated
  •  Opens roof vent automatically as temperature warms for air circulation and heat relief, closes when temperature cools
  •  Starting opening point: 75° F to 80° F
  • Material: Aluminum
  • Returnable: 90-Day
  • Product Weight (lb.): 2lb
Jamaica
Portland
Bench kit for GKP612 Greenhouse
Prices start at : 186.6 USD / each

These bench kits make your greenhouse work easier. Most people find at least one an essential part of their greenhouse. It comes with everything you need to install and start gardening.
  •  Strong and beautiful
  •  Up to 4 benches can be used in each GardenHouse
  •  Made with redwood
  • Material: Redwood
  • Product Weight (lb.): 44lb
  • Product Height (in.): .5
Jamaica
Portland
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. Just like our greenhouses, the Monticello Shade Cloth is proudly made in The USA from start to finish. Most shade clothes go on the outside of the greenhouse, interfering with roof vent and side window...
  •  Proudly designed and made in The USA
  •  2 sets of shade cloth 8 ft W x 4 ft. L
  •  Will keep greenhouse cool by reflecting heat and sunlight
  •  7 yr warranty
  • Manufacturer Warranty: Limited 7 years
  • Product Depth (in.): 96
Jamaica
Portland
Bella 8 ft. x 12 ft. Silver Polycarbonate Greenhouse
Prices start at : 1719.71 USD / each

Its special bell-shape improves wind resistance and allows snow to easily slide off. The large work area and wide double doors provides plenty of room to grow vegetables and herbs while still having room for tool and accessory storage.
  •  Virtually unbreakable 6 mm twin-wall polycarbonate greenhouse, maintains ideal temperatures and protects from strong sunlight exposure
  •  Assembled dimensions: 142.9 in. L x 96.1 in. W x 86.2 in. H
  • Number of Vent Openings: 2
  • Exact Width x Depth: 8 ft 0.1 in x 11 ft 10.9 in
  • Door Opening Width (In.): 45.7
  • Floor Options: Without Floor
Jamaica
Portland
Base Kit 6 ft. x 6 ft. for Greenhouse
Prices start at : 140.00 USD / each

Like all Rion products, the Base Kit assembles in a snap. Filled with soil this base kit provides a solid foundation and it also provides additional five inches of head room. The Rion Base was engineered to provide additional stability and additional...
  •  Heavy duty 100% UV-protected resin frame
  •  Assembled dimension: 6 ft. x 6 ft. x 5 ft.
  • Material: Resin
  • Product Depth (in.): 176.8
  • Product Width (in.): 80.3
  • Manufacturer Warranty: N/A
Jamaica
Portland
Harmony 6 ft. x 4 ft. Polycarbonate Greenhouse in Silver
Prices start at : 440.84 USD / piece

This compact greenhouse is made of crystal-clear, virtually unbreakable Polycarbonate panels, that are simple to slide and lock into position, and a silver aluminum frame. This greenhouse is big enough for your gardening dreams yet small enough to fit...
  •  Additional Palram accessories can be added to create the greenhouse of your dreams; the unique framing system allows you to place shelves anywhere inside your greenhouse
  •  Friendly magnetic door catch to keep the greenhouse open
  • Door Opening Width (In.): 22.2
  • Greenhouse Features: Door latch,Gutters,Lockable door/gate latch,Vents
  • Returnable: 90-Day
  • Frame Color Family: Metallics
Jamaica
Portland
Snap and Grow 8 ft. x 16 ft. Silver Polycarbonate Greenhouse
Prices start at : 1599.00 USD / each

It is quick to set up and features Palram's virtually unbreakable, crystal clear, high end, Polycarbonate panels which are 100% UV protected for maximum light transmission and growing efficiency.
  • Approximate Width (ft.): 8
  • Exact Width x Depth: 8 ft 0.7 in x 16 ft 2.5 in
  • Assembled Depth (in.): 194.5 in
  • Approximate Depth (ft.): 16
  • Frame Color Family: Metallics
  • Storage Capacity (cu. ft.): 901.7
Jamaica
Portland
Multi Line 6 ft. x 8 ft. Silver Twin-Wall Greenhouse
Prices start at : 699.00 USD / each

The Multi Line offers a hinged lockable door with a magnetic catch, a roof vent, gutters, and a galvanized steel base for improved stability, alignment and additional height. The greenhouse' assembly is made easy with Palram's sliding panels system that...
  •  Virtually unbreakable, twin-wall polycarbonate panels, provide over 70% light transmission
  •  100% UV protected panels – do not turn yellow
  •  Sturdy, rust resistant aluminum frame for long lasting durability
  •  Easy assembly - sliding panel assembly system
  • Returnable: 90-Day
  • Assembled Depth (in.): 97.2 in
Jamaica
Portland
Poly Latch/Wiggle Wire 8\' base
Prices start at : 8.99 USD / each

Used for baseboard and also conforms to arch shape. Holds material up to 20 mil thick. Poly Latch Base made from aluminum and Poly Latch Wire from stainless steel. Secure film or shade fabric to structures, in conjunction with our PLW4 wire.
  • 8' aluminum section: Specs
Jamaica
Portland
40-Watt 1,875 CFM Solar Hybrid-Capable Green House Fan
Prices start at : 479.00 USD / box

The fan installs in less than 45 minutes, and is made from heavy powder-coated steel (no plastic). With a powerful 40-Watt solar panel and 9 feet of extension cord, this fan will give you installation flexibility.
  •  9 ft. of power cord extension
  •  Brushless DC motors
  •  All steel construction
  •  Humidistat (on at 60% rel hum off at 50% rel, hum)
  • Product Weight (lb.): 29lb
  • Manufacturer Warranty: Limited Lifetime Warranty
Jamaica
Portland
8 ft. x 12 ft. Black Premium Greenhouse
Prices start at : 3699.99 USD / each

Why is this important. This not only makes the Monticello more efficient to grow in for a longer period of time than other greenhouses but it also adds to the efficiency of growing, cutting down electric bills for those who choose to grow year round.
  • Floor Options: Without Floor
  • Door Opening Width (In.): 48
  • Maximum Roof Load (lb./ sq. ft.): 24
  • Greenhouse Features: Door latch,Foundation included,Lockable door/gate latch,Shelving included
  • Assembled Width (in.): 98 in
  • Hinged lockable double doors: Yes
Jamaica
Portland
Exhaust Fans
Prices start at : 1115.99 USD / each

EXCLUSIVE DRIVE ASSEMBLY. The rugged, belt-driven construction operates in any position, has permanently lubricated ball bearings, and is available with single- or two-speed totally enclosed motors.
  • Horsepower: 1/2 Horsepower
  • Dimensions: 30-Inch Square
Jamaica
Portland
Harmony 6 ft. x 6 ft. Polycarbonate Greenhouse in Silver
Prices start at : 599.00 USD / each

With its sleek and smooth design, the finished result is beautiful, functional, and sturdy. The greenhouse's vent window helps maintaining the desired temperature and humidity levels and provides ventilation.
  •  Maintenance free
  •  Galvanized steel perimeter base for additional stability & alignment
  • Storage Capacity (cu. ft.): 188.7
  • Number of Vent Openings: 1
  • Greenhouse Features: Gutters,Lockable door/gate latch,Single door,Vents
  • Product Weight (lb.): 75.4lb
Jamaica
Portland
8 ft. x 4 ft. Premium Greenhouse Extension
Prices start at : 821.68 USD / each

Extension kit allows for the expansion of your greenhouse. When ordering your extension kit make sure that the color matches your existing greenhouse. Extension Premium kit is specifically designed for the Monticello line of greenhouses.
  •  Heavy duty extruded aluminum frame construction
  •  Integrated dual rain water gutter system
  •  Includes premium kit items: 4 ft. work bench, 4 ft. shade cloth system and 4 ft. water system extension with sprinkler
  • Product Width (in.): 97.2 in
  • Product Depth (in.): 49.2 in
  • Material: Aluminum
Jamaica
Portland
2 ft. x 2 ft. Ultimate Herb Dryer Jr.
Prices start at : 349.41 USD / each

Hydro Grow tent with the expandable Drynet (VDN22), thermometer/hygrometer (VDMT600), a Carbon Filtration system and inline fan (VOCC4), ducting (VNIAD425), and a digital hanging scale (VHS2040).

24 in

    • Product Weight (lb.): 45lb
    • Sturdy powder coated 16 mm steel tent frame and cross members protects against rust and gives a clean reflective look: Yes
    • Door Opening Width (In.): 24
    • Assembled Depth (in.): 24 in
    • Assembled Width (in.): 24 in
    • Maximum Roof Load (lb./ sq. ft.): 0
    Jamaica
    Portland
    8 ft. x 20 ft. Aluminum Mojave Greenhouse
    Prices start at : 5999.99 USD / each

    For the gardener that is looking for a quality greenhouse system that will supply years of hassle free indoor gardening this is the greenhouse for you. Our commercial fan, exhaust lovers and our solar panel can produce more than 2 times the needed power...
    •  Hinged lockable double doors, patent pending twist and lock single bolt (allowing for fewer parts)
    •  Expandable - ability to expand greenhouse in 4 ft. increments as needs grow
    •  Easy assembly construction and efficient to use
    • Frame Color Family: Metallics
    • Assembled Width (in.): 97 in
    • Door Opening Width (In.): 55.2
    Jamaica
    Portland
    Sun Room 8 ft. x 16 ft. Clear Greenhouse
    Prices start at : 2563.96 USD / each

    The combination of the wide door and the Vent window increases the air circulation, bringing in the wonderful spring fragrances and the occasional summer breeze. This extra-large space will also allow you to hold your holiday gatherings with your family...
    • Approximate Greenhouse Height (ft.): 9
    • Maximum Wind Resistance (mph): 55
    • Storage Capacity (cu. ft.): 980.3
    • Maximum Roof Load (lb./ sq. ft.): 15
    • Frame Color Family: Whites
    • Product Weight (lb.): 415.5lb
    Jamaica
    Portland
    6 ft. W x 8 ft. L Large Gable Greenhouse
    Prices start at : 220.59 USD / each

    Consistency in structure and materials will provide years of use for your growing efforts. High quality galvanized steel frame, durable polyethylene translucent cover material. Zipper doors and ventilation windows.
    •  Assembly Required
    •  Assembled size: 7 ft. H x 6 ft. W x 8 ft. L
    • Product Weight (lb.): 75lb
    • Number of Vent Openings: 4
    • Door Opening Width (In.): 36
    • Greenhouse Features: UV treated cover,Walk-in,Windows,Zipper closure
    Jamaica
    Portland
    Ascent 8 ft. W x 12 ft. D x 8 ft. H Heavy-Duty Aluminum Greenhouse Kit
    Prices start at : 1797.79 USD / package

    Rugged reliability, low cost of ownership and accolades from reviewers are just a few of the reasons why Grandio Greenhouses is winning over the world's toughest users. Carefully engineered to perform in the harshest environments the 1.6mm profile aluminum...

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      •  3 roof vents for appropriate ventilation with adjustable openers/latches
      •  6 ft. door height with an 7 ft. 9 in. interior height provides plenty of headroom and ample growing space
      •  6 mm twin-wall UV protected durable polycarbonate panels
      • Approximate Greenhouse Width (ft.): 8
      • Approximate Width (ft.): 8
      • Maximum Roof Load (lb./ sq. ft.): 0
      Jamaica
      Portland
      Shade Cloth for 8 ft. x 12 ft. Greenhouse
      Prices start at : 177.5 USD / each

      The commercial grade shade cloth (rated at 63%) works off a specially designed commercial grade wire system guaranteed to last for 7 years. Most shade clothes go on the outside of the greenhouse, interfering with roof vent and side window functioning.
      •  Quick assembly construction
      •  Will keep greenhouse cool by reflecting heat and sunlight
      •  3 sets of shade cloth 8 ft. W x 4 ft. L each
      •  Proudly made in the USA
      •  7 yr warranty
      •  Heavy duty Commercial grade material 63%
      Jamaica
      Portland
      72 in. W x 144 in. D x 100 in. H Redwood Frame Polycarbonate Greenhouse
      Prices start at : 2749.94 USD / each

      Not only clear written instructions but a video showing how to assemble. Ideal for extending the season, over wintering plants, seed starting or gardening when the weather is foul.
      • Floor Options: Without Floor
      • Door Opening Height (In.): 72
      • Number of Vent Openings: 2
      • Frame Color Family: Browns / Tans
      • Dutch doors and automatic vent openers included: Yes
      • Assembled Depth (in.): 144 in
      Jamaica
      Portland
      72 in. W x 96 in. D x 78 in. H Portable Greenhouse
      Prices start at : 238.4 USD / package

      The True Shelter Green House is a perfect addition for all garden lovers or beginners. This green house is made from high quality environmental friendly material with double bottom rail frame for stability.
      •  Additional hardware included for anchoring the green house to the ground
      •  Half-moon window on each end with mesh for ventilation and to keep out larger insects
      • Assembled Width (in.): 72 in
      • Storage Capacity (cu. ft.): 160
      • Maximum Wind Resistance (mph): 0
      • Installation Available: No
      Jamaica
      Portland
      36 in. W x 71 in. D Ultra Deluxe Compact Outdoor Seed Starter Greenhouse Cloche
      Prices start at : 34.1 USD / piece

      A tailor-made transparent PVC cover snugly enwraps the structure and is outfitted with two zippered openings to facilitate easy accessibility to the plant life within. The powder-coated steel frame snaps together easily and features a bottomless design...
      •  Fashioned with high-quality, heavy duty powder-coated steel framework
      •  Compact and portable easy to move
      •  Positions easily over a small garden or flower bed
      •  Assembly Required
      • Returnable: 90-Day
      • Assembled Depth (in.): 71 in
      Jamaica
      Portland
      SeedHouse 2 ft. 6 in. x 2 ft. 6 in. Pop-Up Greenhouse
      Prices start at : 40.04 USD / each

      It includes stakes and tie-downs to keep it situated on windy days and it folds down into compact size for easy transport and storage in the included carrying bag. The rugged Gro-Tec cover has two zippered windows to provide easy access to your prized...
      •  Open floor allows greenhouse to be set up over existing vegetation
      •  Compact size for easy setup and takedown
      •  Assembly Required
      • Frame Color Family: Clear
      • Assembled Depth (in.): 30 in
      • Assembled Height (in.): 26 in
      Jamaica
      Portland
      19 in. W x 27 in. D Ultra-Deluxe 4-Tier Portable Bloomhouse
      Prices start at : 46.02 USD / each

      Each powder-coated steel shelf supports up to 75 lbs. And has a mesh surface to facilitate suitable airflow and drainage. It's lightweight but sturdy, occupies a small footprint (27 in.
      •  Each shelf supports up to 75 lbs.
      •  4-tier greenhouse is constructed with heavy duty powder-coated steel shelving for utmost stability and support
      • Assembled Width (in.): 19 in
      • Door Opening Height (In.): 54
      • Product Weight (lb.): 13lb
      • Number of Vent Openings: 1
      Jamaica
      Portland
      All Season 2 ft. x 4 ft. Cold Frame with Dual Purpose Screen or Polycarbonate Lid
      Prices start at : 166.64 USD / each

      So that the unit can be used throughout the year. The Year Round Cold Frame features thick 4 mm polycarbonate and aluminum frame construction and includes a dual function poly cover and integrated insect netting cover.
      • In warm weather its easy to water through the screen: Yes
      • Approximate Greenhouse Height (ft.): 1
      • Storage Capacity (cu. ft.): 9.5
      • Frame Color Family: Metallics
      • Greenhouse Features: Door latch
      • Returnable: 90-Day
      Jamaica
      Portland
      17,000 BTU Greenhouse and Building Electric Heating System
      Prices start at : 546.33 USD / each

      Adjustable louvers also help to determine the intensity of the heat flow. Comes with mounting bracket and necessary hardware for installation. In addition to this functionality, the heater can also pivot 360° allowing for easy re-direction of heat.
      •  Generates between 2500 - 5000 Watt based on settings
      •  21 Amps 240 Volts, UL listed
      •  2 Heat Settings with Thermostat
      • Returnable: 90-Day
      • Product Width (in.): 17
      • Color Family: Whites
      Jamaica
      Portland