Benefits Of Using LED Supplemental Lights In Greenhouses 2021

If you’re choosing to grow your plants in a greenhouse, you already know how valuable natural sunlight is for your crop. After all, plant life has developed a complex system of biological processes around the signals of the sun. And if you’ve chosen to take advantage of the sun’s specific light spectrum, it makes sense that you would want to choose variable-spectrum greenhouse LED grow lights to supplement those natural rays.

Why Use Supplemental Lighting In A Greenhouse?

Greenhouse growing is highly automated, and in greenhouses growers are able to maintain precise control over the environment (e.g., temperature, humidity, air quality, lighting, etc.). With the cannabis plant on a 12-hour photosynthesis cycle, it is critical in certain seasons and geographical locations to make up for lost daylight hours and light intensity. The sun might shine brightly in Washington state 14 hours a day in the summer, but the rest of the year supplemental lighting can be a necessity.

5 Benefits Of Using LED Supplemental Lights In Greenhouses

If you’re choosing to grow your plants in a greenhouse, you already know how valuable natural sunlight is for your crop. After all, plant life has developed a complex system of biological processes around the signals of the sun. And if you’ve chosen to take advantage of the sun’s specific light spectrum, it makes sense that you would want to choose variable-spectrum greenhouse LED lights to supplement those natural rays. While HID and fluorescent lights are only going to blast your plants with a limited spectrum, LED grow lights help you mimic the wavelengths of the sun . . . especially if you choose a variable spectrum fixture. That way, your supplemental lighting works with the sun.

Speed Up Your Harvest Cycle

We don’t need to tell you that the faster you usher your plants through their grow cycle, the greater your overall yields and potential profits. If you depend strictly on natural sunlight for cultivation, you’re bound by the slow progression of the seasons. If you supplement with HID lights, you may be able to manipulate your plants somewhat by switching out MD bulbs for the redder glow of HPS lights. But the nuance and variability of a high quality, adjustable LED grow light allows you to create the most true-to-nature seasonal progression possible. You can guide your crop from germination to harvest more quickly than the sun and more naturally than HID bulbs.

Lengthen the Daylight Period Without Losing the Sunrise/Sunset Effect

Light spectrum is not the only benefit to growing in a greenhouse. Your plants are also responsive to the transition signals of sunrise and sunset. When night falls, your crop switches from photosynthesis mode into metabolism. Much like humans, plants use the night hours for growth, putting the energy they created during the day towards things like root development and budding. The gradual glow of sunrise and the waning light of sunset give your crop a heads-up that it’s time to start transitioning from one process to another.

Give Your Plants the Best Possible Light with Variable Spectrum Control

Like the sunrise/sunset feature, this benefit does not apply to all LED grow lights, but it does apply only to LED grow lights.

Reduce Operating Costs

It’s no secret that lighting makes up a huge percentage of any grower’s energy costs. LED grow lights help reduce those expenses in a number of ways.

Enjoy Consistent Light Quality for Years

It takes a lot to keep up a greenhouse. No matter how expansive your operation is, your plants undoubtedly keep you busy enough as it is. So, it’s no small benefit to be able to install your lights and not have to even think about replacing them for 10–15 years.

  • Wet-rated
  • Easy vertical and horizontal installation
  • Quality components throughout design
  • 5-year warranty
  • Expensive option for home grows
  • Fully programmable
  • Remote controlled

Here are some tips and considerations to maximize your supplemental lighting system:

Operation of lamps. Consider when you run your lamps on both a daily and seasonal basis. There is little to no benefit of operating lights when it’s sunny outside. Thus, lamps should be controlled by an environmental control system or a quantum sensor, and not simply run on a timer.

Final thoughts

In a greenhouse environment where sunlight is plentiful for a significant portion of the year, a grower needs to look at a reasonable time span of low light before supplemental lighting kicks in; otherwise they are being used unnecessarily. If a grower is looking for supplemental lighting in order to extend the day length for their crops they should ask themselves the following questions: what time is electricity the cheapest? What are your light level requirements and what time does the crop need supplemental lighting? Consulting the experts to help your determine the answers to these questions will ensure you’re using your supplemental lighting as efficiently as possible with minimal energy waste.

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