Greenhouse Equipment

Greenhouse Thermostat

Reliable control - E3127 This quality thermostat will automatically control a fan system or heater. The moisture-resistant case offers protection from the wet greenhouse climate. The external stainless steel temperature sensor is very accurate and quick...

Greenhouse Woven Poly 12 mil Storm Cover, per ft

Toughest Greenhouse Woven Poly - B2316 For reliable protection, cover your greenhouse or cold frame with this super-strong poly. You won’t have to worry about your plants the next time the weather strikes with wind, hail, rain or snow! This polyethylene...

Grommet Clips, pack of 10

For shade fabric tie-down Snap these 10-toothed plastic grommets onto the edge of your shade. Use your rope or cord to tie to greenhouse frame or foundation. 1-5/8" diameter. Made from 100% recycled plastic. Pack of 10. Click here for instructions PDF.

Grounded 24-Hour Equipment Timer

Single Outlet - E3325 This timer is ideal for lighting applications, hydroponics, evaporative coolers, aquaponics, pumps and other equipment requiring electrical grounding. Plug directly into grounded receptacle. Captive pins never get lost. 48 on and...

Hard-Wire Fan Speed Control (weather-resistant), 120V, 5 amp

Perfect Ventilation - E3131 Continuously variable solid-state control lets you select the proper exhaust fan speed and minimum fan starting speed for your greenhouse. Also used on air circulation fans. Use only on fans and blowers with Shaded Pole, PSC,...

Heat Saver Fan

Bring heat down to the plants! - C3086 This fan is specially designed to pull warm air off the ceiling and push it down to the floor. This provides three major benefits: Heating costs are reduced up to 20% because heat loss through the roof is reduced...

Indoor Temperature and Humidity Gauge

N2648 Temperature and humidity are the two most important climate readings you need to monitor to keep your greenhouse performing at its peak. This economical instrument tells you both indoor readings at a glance. Size: 6.30" W x 3.18" H x 1" D...

Jumbo Hygro-Thermometer

Know your greenhouse climate. You'll find multiple uses for and multiple places to put this hygro-thermometer. Check the large number LCD display from a distance, and move it around with you as you go about your gardening tasks. The hygro-thermometer's...

Jumbo Thermohygrometer

Easy-to-read temperature scale (°F/°C) Humidity scale (%RH): Dry/Ideal/Wet Mount indoors or outdoors Hang on long nail or screw Weatherproof thermometer Specifications:Temperature range: -60°F to 120°F (-50°C to...

Jump Start 4 ft T-5 Light Fixture with Timer and Stand

Start plants faster - L5361  Our bestselling plant light system now comes with a built-in timer. With a single button press, you can choose your lighting schedule: 12 hours on/12 hours off, or 18 hours on/6 hours off. Easy lamp height adjustment makes it...

Knitted Shade Panel 60% Green

Made in the Shade - C2151 Avoid plant-killing high temperatures in your greenhouse. Some shading is required during spring, summer, and early fall. Plan to cover the roof and south wall at least down to bench level.Our panels have extra-strong 2-3/4"...

Knitted Shade Panel 65% Ulta Tan

This fabric blocks 65% of sunlight - C2157 Avoid plant-killing high temperatures in your greenhouse. Some shading is required during spring, summer, and early fall. Plan to cover the roof and south wall at least down to bench level.Our panels have...

Knitted Shade Panel 87%

This fabric blocks 87% of sunlight - C2155 Choose Forest Green or Gray Avoid plant-killing high temperatures in your greenhouse. Some shading is required during spring, summer, and early fall. Plan to cover the roof and south wall at least down to bench...

Lean-To Powered Ventilation System

Automatically cool your sunroom A narrow home-attached greenhouse will receive adequate fresh air from a single oversized intake shutter. It is preferable to locate the fan on the end wall opposite the door, and the shutter next to the door. The fan is...

Lexel Clear Sealant for Glass

Remains flexible, mildew resistant This clear sealant can be used on glass, fiberglass, masonry, aluminum, wood, and other applications where you would want the sealant to dry clear. Lexel is a copolymer rubber that stretches to absorb movement -- won’t...

Liberty Automatic Louver Opener

For automatic ventilation - C3533 The Sesam Liberty solar-powered control will open and close a louver window as temperatures change, enhancing airflow through the greenhouse as needed. The operating range for this solar vent opener is easily adjustable...