Why Plants See Light Differently Than Humans

Plants see light different than humans, and misunderstanding that difference can lead to inaccurate conclusions.
Understanding Life Expectancy (L90B5) in Horticultural Lighting

Life expectancy rating of a horticultural lighting luminaire is one of the most important—but often misunderstood—factors to evaluate.
Measuring Light Levels and Spectral Output: What you Should Know

Measuring light levels is one of the most valuable tools for ensuring your supplemental lighting system is performing at its best.
What Customer-Centric Features does your Horticulture Luminaire Include?

Customer-centric features and benefits are included in P.L. Light Systems luminaires. Learn more about which features you can use.
Challenges and Opportunities in CEA

P.L. Light Systems President and CEO Todd Phillips talks about the challenges and opportunities CEA will face in 2023.
Maximize Yields with Smart Lighting Strategies. Using Metrics For a More Efficient Grow

Measuring yield in your greenhouse is an important way to measure efficiencies and profitability.
Re-Lamping Pointers: How to Plan a Well-Thought-Out Re-lamping Schedule

Since light output depreciates over time, regular replacement of lamps is critical to maintaining the performance of HID luminaires.
How to Optimize your Lighting System for Increased Efficiency and Higher Yields

It’s critical growers have strategies in place to ensure optimal performance of their lighting system to maximize efficiency and achieve higher yields.
Lighting Recommendations for Successful Plant Propagation

Cuttings root best at a daily light integral of 4 to 5 before roots appear, while seedlings need 8 to 12 for quality plug production. Propagation light levels by stage, plus temperature and humidity.
Everything You Need To Know About Voltage For Your Grow Light Installation

What voltage do grow lights need? Commercial fixtures run on 120V to 480V depending on the model. Many P.L. Light Systems LED fixtures accept 208-480V, and the best choice is the highest voltage your facility has available. This guide answers the electrical questions that come before any lighting decision, from single-phase versus 3-phase supply to fixture-by-fixture voltage ranges.