Lighting

P.L. Light Systems Celebrates 40th Anniversary

P.L. Light Systems has reached an exciting milestone, as the company celebrates 40 years of delivering professional grow light systems to the horticulture industry. The company distributes products across the U.S., Canada and South American... more »

“Hidden” Benefits of Supplemental Lighting

Greenhouse growers in temperate climates do not take light for granted. Sunlight is among the most limiting factors in the production of greenhouse crops grown from late fall to early spring, when the days are... more »

Managing Light & Disease

Greenhouse production allows growers the freedom to grow year-round. Though these structures are controlled and mostly protected from outdoor environments, seasonal trends still exert some influence on crop growth. During winter months, conditions such as... more »

Valoya Hires New VP for North America

Valoya has hired Wes Eaton as the company's vice president of sales in North America. With extensive experience in horticulture and business development, Eaton will be tasked with driving... more »

Early Scaling-Up Challenges with LED Lighting

The fundamental advantages of light-emitting diode (LED) lighting are clear. They are increasingly efficient at converting electricity into photosynthetic light, and their rated lifetime is much longer than conventional fixtures. However, this is still a... more »

Effective Long-Day Lighting Fixtures

A large number of annual bedding plant and herbaceous perennial species flower earlier when grown under long days. A long day can be as few as 13 hours of light for some crops, while at... more »

Cover Story: Using Technology to Grow More Sustainably and Responsibly

When a group of financial partners found an abandoned vegetable greenhouse in North Tonawanda, New York, they saw it as the perfect opportunity to pursue their interest in plant-based medicines as a potential business venture.... more »

SunTracker Updates Free DLI Calculator

SunTracker Technologies has updated its free daily light integral (DLI) calculator tool. The new and improved free online software tool merges ground weather station data with satellite data that provides monthly shortwave (ultraviolet, visible and... more »

Latest Photos see all »

GPN recognizes 40 industry professionals under the age of 40 who are helping to determine the future of the horticulture industry. These individuals are today’s movers and shakers who are already setting the pace for tomorrow.
FlogelKrystal
WorkentineJaclyn
PantojaPitaAlejandro
AllenTanner
ArmstrongJacki
LaraLaura
StokesHans
RuschJared
KnauerRyan