March 24, 2026
If you’ve been curious about under canopy lighting but haven’t pulled the trigger on a test yet, this post is for you! Not a test next quarter, not after your next big harvest… Now!
We talk to a lot of growers who understand the concept, believe the data, and still find reasons to wait. The equipment cost, the timing, the hassle of changing something mid-operation. Those concerns are understandable. But every cycle you run without under canopy lighting is a cycle where a meaningful portion of your canopy is producing below its potential (and that’s a cost too, even if it doesn’t show up as a line item).
Here’s why the case for testing sooner rather than later is stronger than most growers realize.
Every Cycle You Wait Is Yield You Don’t Get Back
Cannabis doesn’t give you a refund on underperforming harvests. A flower cycle that runs without under canopy lighting produces the same lower-density, lower-potency lower canopy that it always has. You can’t retroactively improve it.
The growers who are already running under canopy lighting are compounding the advantage. Each cycle they gather more data, refine their approach, and build it into their standard operating procedure. The growers who are still waiting are falling further behind that curve, not standing still.
The math is simple. If under canopy lighting adds even 20% to your yield (and our customers regularly report increases ranging from 20% to 60%) every cycle you don’t test is a cycle where that upside doesn’t exist for you. At current flower prices, that’s real revenue left on the table, not a theoretical future gain.
A Test Doesn’t Require a Full Commitment
One of the most common reasons growers delay is the assumption that implementing under canopy lighting means a full facility rollout. It doesn’t. A meaningful test can be as small as one room, or even one section of rows within a room. Lit rows versus unlit rows, same genetics, same environment, same feeding program.
That kind of controlled comparison gives you clean data. You can see the difference in bud density, yield weight, and flower quality directly and attribute it to the lighting variable. It also means the capital commitment to get started is modest relative to the potential return, and in strong markets, growers who test in a single room often recover the cost of the test fixtures in a single cycle before they’ve even decided to expand.
The risk of testing is low. The risk of not testing and watching competitors pull ahead while you’re still evaluating is higher than it looks.
The Market Rewards Quality More Than It Used to
The cannabis market has matured and tightened in most states over the past few years. Price compression at the commodity end of the market has pushed operators to differentiate on quality, and quality, in practical terms, means dense, potent, consistently graded flower that commands a premium and builds buyer loyalty.
Under canopy lighting addresses exactly that. By delivering meaningful light to lower bud sites that overhead fixtures can’t reach effectively, it converts B-grade and C-grade flower into product that grades higher. More of your canopy is contributing to your best-grade output, which matters more in a competitive market than it did when almost anything sold.
Waiting until the market improves to invest in quality is backwards. The time to build quality into your process is when quality is the differentiator, which is right now.
Your Competitors Are Already Testing
Under canopy lighting has moved from a novelty to a mainstream commercial practice over the past 18 months. It’s being discussed at every major industry event, it’s showing up in facility designs at operators of all sizes, and the early adopters have moved past the “should we try this?” stage into “how do we optimize what we’re already running?”
If you’re in a competitive state market, there’s a reasonable chance that some of your competitors are already benefiting from under canopy lighting in their programs. Waiting to start your own test means starting from behind.
The growers who test now will have two or three cycles of real data and refined operating procedures by the time the growers who are still waiting finally get around to their first run. That gap compounds.
It’s Easier to Implement Than You Think
A barrier that comes up a lot is the logistics of adding fixtures mid-operation. The reality is that under canopy lights like the JumpLights Catalyst are designed to install without disrupting your existing setup. They hang from trellis bars or racks using metal sliders, or can be floor-mounted on feet if that suits your configuration better. There’s no major electrical work, no reconfiguring your overhead system, no downtime.
Most growers who do their first installation report that it took less time and caused less disruption than they anticipated. The bigger barrier is usually the decision, not the implementation.
How to Start Your Test with JumpLights
We’ve been working with commercial cannabis growers on under canopy lighting longer than most, and we’ve designed the Catalyst specifically for this environment — not repurposed from an over canopy fixture, but purpose-built for under canopy use, with a spectrum and lens design optimized for how close these fixtures sit to the plant.
When you work with JumpLights, we don’t just ship you fixtures and wish you luck. We help you design the test — which rows to light, how to set up your comparison, what to measure and when. We want you to get clean data from your first run because that’s what convinces you to expand, and because it’s the right way to work with a grower who’s investing in something new.
If you’ve been thinking about testing under canopy lighting, the best time to start was a few cycles ago. The second best time is now.
Get a free light plan and let’s get your test set up before your next cycle starts.
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JumpLights designs and manufactures high-efficiency LED grow lights for commercial cannabis and horticulture facilities. All products are engineered, assembled, and quality-tested in the USA.
Disclaimer
The content appearing on this webpage is for informational purposes only. JumpLights makes no representation or warranty of any kind, be it expressed or implied, as to the accuracy, completeness, or validity of the information. Any performance parameters, specific design features, or discussions of lighting fixtures or specs should not be inferred to represent what will be delivered for your specific project. Consult the JumpLights terms of service for more information.
