Cannabis News
Focus on how LED systems function once installed
Ask various greenhouse growers what the “best” LED lighting system is and the answers will vary. Some will focus on efficiency figures, some on upfront investment and some on brand awareness or existing facilities. As LED lighting has become common practice in commercial greenhouses, it has become clear that the question itself is changing. The best commercial LED greenhouse lighting system, according to Sollum Technologies’ Abhay Thosar, is one that adjusts spectrum, intensity and Daylight Integral (DLI) in real time to crop requirements, seasonal light availability and energy conditions.
© Sollum Technologies
Energy costs continue to fluctuate, and the availability of natural light varies throughout the year. “At the same time, growers are expected to deliver consistent quality, predictable yields and stable production planning. LEDs are no longer a separate technology, but part of the core infrastructure. What differentiates lighting strategies is not what appears on a spec sheet, but how a system performs under actual greenhouse operating conditions,” he says. “Greenhouse production is inherently variable. Lighting systems must respond to these changes rather than operate as static installations.”
When comparing LED fixtures, the evaluation is often based on efficiency in µmol/J, maximum light output, purchase price, and warranty terms. While these metrics are useful, they do not fully reflect how a lighting system performs once installed. Seasonal and daily variations in sunlight, differences between sites within the same greenhouse, specific responses to crop spectrum and intensity, and changing energy rates all affect real-world performance.
“An apparatus that looks optimal on paper can become restrictive if it cannot be adjusted as conditions evolve,” explains Abhay. “Adaptability is part of performance.”
Commercial LED greenhouse systems are increasingly defined by their ability to adjust over time. The flexibility of the spectrum allows growers to vary the quality of light according to crop type, growth stage and production goals. Increasing blue light during early stages of growth or introducing red light during periods of low light are adjustments that demonstrate how spectral control can be used to influence plant responses.
“Flexible spectrum gives growers the ability to align lighting with plant behavior, rather than treating the light response as a fixed input,” says Abhay.
Light intensity control is another factor. Instead of maintaining constant output over long periods of time, adjustable intensity allows growers to respond to changes in natural light and avoid using unnecessary energy. This approach is closely related to DLI-based control, where lighting decisions are driven by the amount of light a crop receives each day. In advanced systems, DLI targets are achieved through automated modulation of light output as sunlight conditions change throughout the day.
© Sollum Technologies “The goal is to accurately manage consistent DLI without adding complexity to day-to-day operations,” said Abhay.
Greenhouse environments are rarely uniform, making field-level control important. Differences in structure, orientation or crop design can result in different light requirements within the same facility. Lighting systems that allow zone-based adjustments support more consistent crop development throughout the greenhouse.
Integration with existing greenhouse systems is another matter. Lighting interacts with climate control, energy management and crop planning, and systems that operate in this broad framework are easier to manage over time. Long-term adaptability also plays a role, as lighting strategies change frequently to respond to new cultivars, market demands or energy requirements. Systems that support these changes without having to completely replace them offer greater operational flexibility.
Many greenhouse LED installations still rely on static schedules, where prescription lights are set after installation and manually adjusted, if necessary. Dynamic lighting strategies take a different approach by continuously adjusting spectrum, intensity and timing to crop needs, available daylight, seasonal patterns and operational constraints. These adjustments can be made in real time and at the zone level, managing the underlying complexity of the system.
“The system manages variability so growers can focus on crop results,” says Abhay.
In practical terms, the most suitable commercial LED greenhouse systems support consistent crop performance across seasons, improved uniformity and predictable production results. They allow growers to adjust lighting strategies without replacing hardware and manage energy use in relation to production goals. In this context, “best” is less about the most powerful apparatus and more about a system’s ability to adapt as conditions change.
“The important question for growers is no longer which LED system is the best in absolute terms, but which system provides the control and flexibility needed to respond to changing conditions, plant requirements at each growth stage, and long-term operational goals. Greenhouses are dynamic environments, and lighting systems are increasingly expected to function in the same way.”
For more information:
Sollum Technologies
sollumtechnologies.com
The Cannabis Control Commission, the government body that oversees the marijuana business in the state of Massachusetts (USA), has decided to temporarily stop accepting new license applications for growing marijuana, both indoors and outdoors. This hiatus officially began on June 16, 2026.
Anyone planning to apply for a new marijuana cultivation license after June 16, 2026 will not be able to do so while this suspension is in effect. The Commission will not accept such requests during this period.
There are two groups that can continue normally. First, anyone who submitted an application before June 16, 2026, will continue to review and process applications as usual. Second, applicants for specific programs designed to help communities historically affected by drug laws, known as the Social Equity Program and the Economic Empowerment Program, are exempt from this suspension if they apply for a smaller-scale “Microenterprise” license.
The suspension will be in effect for 120 days from June 16, 2026, which is currently scheduled to be lifted around mid-October 2026. However, the Commission has the power to terminate earlier or extend further, depending on market conditions.
Source: Massachusetts Cannabis Control Commission
Cannabis News
Federal Marijuana Rescheduling ‘Does Not Appear To Apply’ To Washington Businesses, State Officials Say
The medical cannabis market is expected to grow from $47 billion to $149 billion by 2031, and New Zealand has a real role to play in that story. And thanks in large part to New Zealand Trade and Enterprise (NZTE), the government’s international business development agency, Puro is starting to play.
At Cannabis Europa 2026 London, NZTE hosted an evening event at the City Arts Bar with Puro, New Zealand companies Bluelab, Rua Bioscience and CannFX. Puro called it The NZ Room.
Beyond all things Kiwiana – including Puro brand kiwifruit, Kiwi’d – the room was filled with some pretty amazing people: Ivy League scientists, company founders, patients, advocates, industry players, government officials, Maori tribal leaders and a tough Scotsman. All in the same space with the same true passion for where this industry is going.
It was one of those rooms where conversations went well when they had to end. That’s usually a sign of something well done.
Made possible by NZTE
For Puro, the NZTE relationship has been formative. With ongoing support, Puro has entered the Australian market with 47 unique product SKUs and signed a £7 million supply agreement with UK distributor IPS Pharma.
NZTE understands the potential of the New Zealand cannabis industry. The willingness to support this nascent industry and put New Zealand in the spotlight at events like Cannabis Europa is very significant. New Zealand is a small country and the country’s credibility in international markets is built from relationship to relationship, room by room. NZTE helps build those rooms.
© Cigar
what’s next
For the first time, patients in the UK have access to medicinal cannabis grown in New Zealand. That’s the direct result of years of work by Puro’s team, but it’s not worth much if you can’t connect with buyers globally. Creating international relationships that events like Cannabis Europa make this possible.
“We are grateful for the extensive support from the New Zealand Government that drives our progress, including the Ministry of Primary Industries’ support for our genetic breeding, product innovation and market access goals. This collective effort from agencies such as the Ministry of Business, Innovation and Employment, NZTE and the New Zealand Export Credit Bureau ensures that Mail that started in London will continue to grow in Puro’s international goals,” he said. a statement
For more information:
clean
www.puro.co.nz
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