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4/20 special part. 1

4/20 in 2026: cultural celebration or business opportunity?

US (MA): Cannabis regulators freeze cultivation licenses

Marijuana budtenders could qualify For ‘no tax on tips,’ says IRS

ACT Summit heads to British Columbia

US (MO): State prepares to open unlimited marijuana research licenses

Sector | Company news

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New Biological Solutions Advisor announced for the Southeast by Bioworks
Digna van Zanten:

"Technology alone isn't enough to achieve operational excellence"

Seed Junky Genetics announces the return if MINNTZ strains

US (FL): Trulieve to open medical cannabis dispensary in Tallahassee

US (FL): iAnthus opens new dispensary in Jupiter

New CFO announced for TerrAscend

LEEF Brands to acquire cannabis concentrates brand

Sector | Market info

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US (MI): State research into cannabis lags because of federal law

New Zealand: Nascent medical cannabis industry aims for growth

Examining Canada’s cannabis business since legalization

US: A decade since legalization, how is California's market doing?

US (MI): Pressure continues to mount in state cannabis market

US: Is Colorado's cannabis industry drying out?

Pre-rolls have become US cannabis industry's top-seller

Sector | Cultivation

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US (OH): How growers create most popular strains in state industry

"Technology second, plants first, not the other way around"

Airmix concept now usable year-round, with introduction of active dehumidification

Study finds that Morocco’s cannabis cooperatives outperform in seed oil production

US (CA): Cannacruz relocates cultivation operations
Alexander Mountain, Trichome Solutions:

“UK medical cannabis is maturing”

Synthetic seeds show a glimpse of the future for cannabis breeding

Sector | Marketing & promotion

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Nuance on Dutch leadership in horticulture: "Keep innovating, or you'll be overtaken"

Google launches cannabis ads pilot in Canada

Sector | Grower in the spotlight

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Simplifying the system so that quality can lead

US (CT): Affinity Grow faces State scrutiny over alleged testing fraud, contaminated cannabis
Innesti Leopardi Uses winTutor® IRIS to manage grafting:

"We have moved from a reactive management approach to a more data-driven one"

NL: 42 violations found among cannabis growers in ongoing cannabis experiment

Building Nevada's most vertically integrated cannabis operation

US: Ga. lawmakers consider synthetic hemp ban, expand medical cannabis

US (MA): A changing cannabis industry brings mixed feelings for operators of color

Sector | Management information

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US (OK): OMMA issues recall for contaminated pre-roll batches

Ireland: Dr Owen Doyle appointed as Chairperson of the Horticulture Education Leadership Group

Avicanna announces changes to its board of directors
Peter Klapwijk, 2Harvest:

"The quality of your people matters even more than the quality of your seeds or substrates"

"Every controlled environment system, from a new crop variety to an AI-driven irrigation platform, has potential IP value"

Canadian growers defend seasonal worker program

"Compliance workload number one issue facing Autralian growers"

Sector | Regulations

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US (MN): State hemp license applications end April 30

US (VA): Governor’s amended marijuana market proposal features fewer initial retail licenses, tax increase

Thailand to shift cannabis shops to medical use as numbers plunge

US: Illinois court hears final lawsuit challenging marijuana social equity licensing lottery

US: Proposed rule would create cannabis research facilities in Missouri

US (NE): Medical Cannabis Commission approves cultivators as manufacturer process remains unclear

US (RI): Retail cannabis applicants vent after ruling slows already slow application process

Sector | Product information

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Bluelab introduces pH PenPlus, designed for continuity

US (IL): New alcohol-free THC drinks to hit the market
Design and utility patents pending in Canada and the US

Rethinking the net pot: Improving cube stability and root handling in NFT systems

US: Creating a breakthrough in compliant cannabis aroma science

Closing the gap between cannabis advertising and purchase
Dutch greenhouse coatings provider shares its on-ground experience

“Building proof-of-concept under local conditions matters in India’s horticulture sector”

Flohub announces Marketing Suite to aid dispensaries

Sector | Today on Social Media

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David Duncan

GreenBe Pharma

Reed Porter

Sector | General export

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HYTN releases products for sale in Germany

Avicanna subsidiary completes first export to Australia

Costa Rica" Hybrida Farms completes first export to EU

JACANA Completes first export of medical cannabis to the Cayman Islands

CAN: Herbal Dispatch announces 298kg export destined for German market
Greenhouse builder speaks about success abroad

"It is still cheaper for the customer to have it shipped from the Netherlands"

COFEPRIS authorization granted to allow Mexican company to import cannabinoid products in Mexico

Sector | Health

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US (NY): Cannabis products recalled due to "unreliable" tests

US: Medicare may soon cover certain cannabis medications for seniors

US: Maine could finally require mold, chemical testing for medical cannabis

Health Canada cannabis guidance exposes “absurd” education gap in healthcare

CAN: Arsenic contamination leads to recall of Lunaire products

US (AR): Using university research to increase cannabis safety

US (OK): Cannabis company receives suspensions following investigation

Sector | Climate

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Why screen systems are essential for an optimal greenhouse climate
DryGair CEO on 2026 vision:

"Turning grower challenges into operational control"
full flexibility for jets and fans

Integrating LED lighting and vertical air movement into one control platform
a family story at Reimann Textiles

50 years of greenhouse energy screens

Getting the most out of the height of a greenhouse

Greenhouse owner fined for violation of Ontario Water Resources Act

Sector | Crop protection

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Stimera appoints Lon Kreger as CEO to lead next chapter of commercial growth

Boosting biological performance and operational efficiency with Entomatic tank mixing
Inside an emergency harvest at Faven's Sacramento R&D facility

When Fusarium strikes at day 45

Germany: Disinfectant successfully used for four decades in stable hygiene and disease control

"A drone that inspects greenhouse plants to detect issues early before they spread"

New predatory stink bug and lacewing egg system presented

Koppert announces new CFO

Sector | Energy

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UK company eyes £300 million market

Pilot initiative to test transparent solar films in West Africa

Yeager Energy to expand geothermal capacity in Oostland, Netherlands
March 31, Leamington, Ontario

Voltiris expands toward North America; energy innovation takes center stage at ACT Leamington Grower Summit

Big Marble Farms to sell excess power to City of Medicine Hat’s grid

Horticulture plays an important role in testing techniques for energy storage
demonstration in Monster greenhouse

Research on greenhouses as an energy hub

"Plant sensors and dynamic lighting open new doors for growers"

Sector | Fertilizers

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Netafim introduces the NetaFlex 5G

“Without soil buffering, small changes in concentration are inevitably going to affect uptake and uniformity"
Bionema's BiofilmTech® breakthrough

A next-generation biofertiliser that outperforms traditional single-strain biologicals

Using intelligence to make the most of water management
Brazil Potash CEO says local production could reduce geopolitical risk and price volatility

"50% of the world’s potash supply sits in countries that are sanctioned or at war"

Intrahorti team expands for future growth

BioWorks enters European market with biopesticides and biostimulants

New International Sales Manager for IntraHorti

Sector | Novelties

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USDA-APHIS grants non-regulated status to two gene-edited hemp varieties

Bringing ancient cannabis enzymes back to life shows how cannabinoid production evolved

US: Live Resin trademark available for acquisition

Betty's Edibles introduces new limited-edition flavor for winter

Sector | Greenhouse building

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Missouri sets sights on establishing licensed cannabis research
Victoire Thery, Filclair:

"Is the traditional glass greenhouse model still the most secure investment, given the scale of capital required?"
Albers Alligator joins AVAG

"Time to show us more"
Jerry Bleckley and Scott Thompson retire from Prospiant:

"If horticulture has a Hall of Fame, we need to get these two guys in it"
high-tech center inaugurated

New French applied research complex meets the needs of Breton growers

Terra Pharm opens dispensaries, cultivation facility in Pittsburgh

With volatile energy prices, screen installations are back in focus

Sector | Lighting

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Gavita International strengthens Plant Specialist Team with the appointment of Charlotte Pijnenburg

From photobiology to dynamic lighting strategies in greenhouse production

Louis Golaz steps down from RED Horticulture leadership
P.L. Light Systems celebrates 45 years anniversary:

"Our lights are built to last so long you’ll be handing them down for generations"

Silent failures, invisible losses — and what some Dutch growers are now doing about it

New LED light launched for multi-tier and vegetative cultivation

Faven Lighting hires Dr. Jonathon Karall as Research and Development Director

Sector | Packaging

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Belgian plastic crates find their way into Dutch aubergine nurseries

US (KY): Steuart Nutrition to establish new headquarters in Erlanger

Inside Portland’s cannabis packaging recycling facility

New range of packaging to aid consumers announced

Shipping constraints are holding Minnesota’s rising cannabis stores back from real momentum

Free MRID-integrated label generator for cannabis operators launches

Cannabis labelling, cloud printing to be on display at MJBizCon

Sector | Post-harvest

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Cannatrol scales global availability of precision post-harvest technology
Daniel Cook, True Terpenes

The race to the bottom: "How cannabis forgot its senses"
"Once they are gone, they are gone,” Simon Knobel, Calyx Containers

Technical advances in cannabis curing focus on water activity and terpene stability

New hash-washing machine launches

Aweta announces new CEO
New decontamination systems to hit market

We’ve enhanced our technology to deliver a significant boost in capacity"

405 nm light jar aims to keep cannabis fresh and mold-free

Sector | Starting material

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Belgium strawberry grower starts new cycle on re-used substrate, steamed to be pathogen free

"The consistency, hydration, and overall performance stay reliable from batch to batch"
American Biochar Institute outlines how the S668 standard can help growers

"Non-compliant biochar means inconsistent data, and inconsistent data means risk"

Checking daily drain measurements and rootzone parameters
Klasmann-Deilmann at the Global Biochar Commercialisation Summit in London

Scaling up biochar: the role horticulture can play
Legro brings Botanicoir products to the Dutch market

"Coco is a logical step for many companies"

Crop steering starts in the substrate: Inside the new Growbag COCO

Sector | Technique

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Riccardo Russo, Vifra:

“Managing the full water cycle starts with water quality and continues with reusing water whenever possible"
Van der Ende Group renews Curves selection tool

"More efficient pump selection in the heating sector"
Offers Free Industry-ready Toolkit for Farmworker Awareness Week

EFI Champions Farmworker Recognition Nationwide
Boštjan Veronik, CEO of Waboost:

"Preventing conditions that allow Pythium to thrive"
Patrick Niederer, Lock Drives

"The difference lies in the technology"
Combining greenhouse cultivation with outdoor cultivation becomes possible

Labor management system even more widely applicable after update

New generation of sensors introduced

Sector | Events, shows & webinars

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US: District Cannabis launches campaign to make 4/20 a national holiday

Cannabis Europa event heads to London

ICBC Berlin 2026 wraps up

Day two at ICBC Berlin: night parties, slow morning, and social clubs

US–Dutch horticulture ties strengthened during Royal visit to the US

ICBC 2026 Berlin kicks off with Germany still at the top of EU medical cannabis

Argentina: Northern Patagonia establishes itself as an innovation hub with binational meeting on hemp

Sector | Innovations

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Ten new products to hit Dutch market from Village Farms

Space breeding cannabis is less sci-fi than it sounds

Researchers develop new platform to expand genetic diversity in cannabis

Researchers discover new cannabis compound with anti-inflammatory benefits

US (CA): New terpene profile unveiled by Abstrax

US: Inventor comes up with "wearable way" to trim plants

New IPM AI assistant launched for cannabis growers

Sector | Machinery

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Bringing precision humidification to greenhouses

New FlexAIR helps growers address changing substrate availability
New compact dehumidifier operates on propane

"Growers can save up to 50 percent energy compared to traditional heating and venting"

Advancing cannabis automation at MJBizCon

US: Changing the game for automated infused-flower production

New Argus Axia control system announced

“Automation will drive efficiency, but it will also elevate the roles of greenhouse workers”