FeaturedIntracanopy · 8 min
Under-canopy lighting: what the science says about yield, quality and efficiency
Tomato, cucumber, pepper and strawberry: what the studies show when light is introduced inside the canopy instead of only from above.
Blog · HortiBloom
Light explained by the people who build it
How to size, measure and make decisions about horticultural LED lighting. No marketing, just the numbers that matter.
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4 articles
FundamentalsHow to Choose LED Power for Your Grow Space
LED wattage is only the starting point. What really matters is the photon density reaching the canopy (PPFD).
EfficiencyEfficiency in μmol/J: What It Means for Your Bill and Harvest
Micromoles per joule indicate how much photosynthetically active light you get from each unit of electrical energy.
Under CanopyUnder-canopy lighting: more yield and uniformity by taking light where it never reached
Studies from 2018 and 2025 show up to 29.95% more yield and over 50% less variability when light is brought below the canopy.
A clear answer, without the noise
Tell us your area, crop phase and current setup. Our technical team will help you size the right lighting.