Lettuce grower switches to
100% Philips LED toplighting
In just a matter of six years, John Bonner has expanded Great Lakes Growers into a greenhouse operation of more 85,000 square feet.
Great Lakes Growers specializes in growing fresh, tasty, pesticide-free lettuce and herbs for local grocers, markets and restaurants in Northeast Ohio and beyond.
The taste is better with LEDs.”
-John Bonner, Owner
Since the start of his business, Bonner relied on traditional HPS lighting to meet the company’s supplemental lighting needs. However, the promise of LED grow lights intrigued Bonner. After reading and researching the different LED products and options, Bonner decided to conduct his own in-house trial with Philips LED toplighting.
In a controlled trial, first over lettuce and then over herbs, Bonner tracked and compared growing under 600 W HPS to growing under Philips LED toplighting (DR/B LB).
Growing lettuce under the LEDs, Bonner noted many qualitative and quantitative benefits including:
• 30% production increase
• Reduced tip burn
• Improved color
With Philips LED toplighting, Bonner estimates a production increase of approximately 30 percent. This, coupled with improved product quality, guided Bonner in his decision to make a complete switch to Philips LED toplighting.
Queen
With LED we get two to three days faster rooting, which is 25% faster all year round.
Wim Peters Kwekerijen
Peters chose to double the LED lighting with a new hybrid lighting installation that combines Philips GreenPower LED interlighting with HPS.
Vikars Grönsaker AB
20% more yield, thanks to higher plant density enabled by LED interlighting
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