The Future of Cannabis Grow Controls: AI, Automation, and Dynamic Lighting
- Posted on
- by Fluence Bioengineering
Table of Contents
Why Grow Controls Matter Now
When I first started working with growers, “controls” usually meant a wall timer and maybe an on/off switch. Today, controls mean so much more. I think about how we can ramp intensity day by day as plants move from veg to flower, or how we can run spectrum recipes that shift red, blue, and green depending on what the crop needs. I’ve seen control systems step lighting levels smoothly over two or three weeks, keep irrigation in sync with PPFD, and make sure HVAC holds the right environment as light levels rise. That’s a far cry from just flipping a switch.
Why does that matter? Because today’s growers push plants harder than ever. At high light intensities, consistency makes the difference between “good” and “great.” Controls give growers the ability to maintain consistency while also freeing up time. Instead of manually adjusting dimmers or checking meters, we can let the system handle repetitive actions so the cultivation team can focus on bigger decisions. And yes, it even helps keep operating costs in check by cutting down on labor and letting us manage settings remotely when we’re not in the facility.
Craft growers tend to dial everything by hand, which works when you’re running smaller canopies and boutique cultivars. Larger operators lean on automation more heavily so they can hit volume and consistency goals. But in the end, we’re all pulling on the same levers—light, irrigation, and climate—just at different scales.
Integration Over Isolation: One Pane of Glass
One of the most inefficient activities I see is when growers run each system in isolation. Lighting dashboards here, irrigation controllers over there, HVAC on its own. I’ve been in rooms where the grower must click through four different systems just to figure out why conditions are drifting. Those actions waste time and invite mistakes.
The better way is integration—something industry has affectionately named “—”a single pane of glass”. It refers to having one centralized dashboard or interface where all critical systems and data streams can be viewed, monitored, and managed.” (said differently – one computer screen). With one system in charge, lighting predictively knows when DLI targets will be hit in the greenhouse and can automatically dial back. Irrigation and climate setpoints can respond as lighting ramps up instead of fighting against them. Machines can make micro-adjustments faster than I can, and they never forget to do it consistently.
The key is finding a good partner. Growers should be able to focus their time on growing not having to play the role of control-systems engineer. That’s why I value working with integrators and engineering teams who can design the network, commission it, and then teach me how to load my recipes or acclimation sequences. When the system is handed over on day one, it should already run the way it’s meant to. Then growers can focus on the crop, not separately balancing control systems.
Wireless You Can Trust
I’ll be honest—ten years ago I was skeptical of wireless lighting control. Back then, reliability just wasn’t there. But today, I’ve seen how robust these systems have become. They’re used in demanding environments like commercial interiors, theaters, and even street lighting—places where failure isn’t an option. Lighting control is mission-critical. The same reliability is now showing up in horticulture. Modern wireless protocols are secure, robust, and proven. When I send a command, every luminaire responds. That’s the confidence I need when crop health and profitability are on the line.
Wireless matters for me because it makes life simpler. I don’t have to run a new cable every time I want to change zoning. When labor is tight, the ability to manage rooms quickly without rewiring is a real advantage. The trick is choosing platforms with proven track records—this isn’t an area to gamble on “good enough.”
The Next Leap: Predictive Controls and AI
Looking ahead, I don’t think the future is just “more automation.” It’s smarter automation. With better sensors and machine learning, control systems are starting to predict what will happen before I even make a change. If I bump temperature by half a degree, how will that impact yield? If irrigation timing slips due to valve failure, what disease pressures might I face? Some systems can already forecast scenarios like HVAC failure and suggest recovery steps, so I don’t lose a whole cycle. That’s powerful.
I’ve seen firsthand how growers still need to steer the ship—AI won’t replace our judgment. But if I can lean on predictive models for consistency and use them to test “what if” scenarios, that’s a huge edge. This approach to scenario analysis is commonly known in the industry as a “digital twin”. The pace of innovation is only speeding up. We moved from inter-canopy lighting to under-canopy almost overnight, and now spectrum tuning is the new frontier.
Controls need to be nimble enough to keep pace.
On the financial side, I’ve learned to set realistic expectations. Gone are the days when ROI hits in eight months. Most growers I know are satisfied with two-year ROI on advanced controls or spectrum-tunable systems, and even two-and-a-half years is still workable. In other parts of horticulture, three-year ROIs are common. The point is: controls and dynamic lighting are worth it, even if the payback takes a little longer.Bringing It All Together
Here’s how I think about it when planning upgrades:
- Start with outcomes, not gadgets. Define whether the priority is yield, quality, or energy savings, those goals should drive which control capabilities matter most.
- Push for integration. A single pane of glass eliminates silos and ensures lighting, irrigation, and HVAC all work together instead of at odds.
- Choose wireless with a proven track record. Reliability and security must be guaranteed when the crop’s value is on the line.
- Invest in commissioning and training. A strong engineering partner ensures the system is set up correctly from day one and that teams can use it with confidence.
- Prepare for predictive models. Clean data collection now will pay dividends later as AI-driven insights become standard in cultivation.
At the end of the day, controls are how a grower turns a cultivation strategy into reality. They let the grower synchronize light, climate, and irrigation, tune spectrum to the crop’s needs, and reduce variability cycle after cycle. They don’t replace growers—they make them even more effective. And as automation and AI keep evolving, I’m convinced controls will be the backbone of the next big leap in cannabis cultivation.
Chris Bezuyen
Applications Engineering Manager
Chris leads the Fluence Application Engineering team. He has more than 25 years of experience in lighting controls and power electronics design. Chris and his team work closely with growers to develop and implement highly effective horticulture lighting solutions.