Leif Zimmerman

Hello, I am Leif Zimmerman, the editor of Green Culture, and I have dedicated my career to the cannabis industry and journalism. Based in Seattle, Washington, I hold dual degrees in Journalism and Horticulture from the University of Washington. With over a decade of experience reporting on the cannabis sector, I have a deep understanding of the industry’s nuances and developments. My passion for cannabis culture, combined with my journalistic integrity, drives me to lead Green Culture in delivering accurate, insightful, and engaging content.

Your First Cannabis Harvest: A Comprehensive Beginner’s Guide to Cultivation

Embarking on your first cannabis cultivation journey can seem daunting, but with the right knowledge and a methodical approach, success is well within reach. This comprehensive guide provides essential advice for beginners, demystifying the process from seed to harvest. By understanding the fundamental needs of the cannabis plant and avoiding common pitfalls, novice growers can…

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Federal Law Overhaul Triggers Near-Total Ban on Hemp-Derived Cannabinoids, Reshaping U.S. Market

Washington D.C. – A sweeping legislative change tucked into a federal spending bill signed into law on November 12, 2025, has dramatically redefined “hemp” and imposed stringent new limits on hemp-derived cannabinoid products, threatening to decimate a multi-billion-dollar industry that has flourished since the 2018 Farm Bill. The legislation, which ended the longest government shutdown…

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Cannabix Technologies Inc. Secures U.S. Patent for Revolutionary Contactless Breath Analysis System, Bolstering Cannabis Innovations

Vancouver, BC – October 27, 2025 – Cannabix Technologies Inc. (CSE: BLO) (OTC PINK: BLOZF) (Frankfurt: 8CT) has been granted a significant patent by the United States Patent and Trademark Office (USPTO) for its advanced contact-free breath analysis device and method. This latest patent, U.S. Patent No. 18/1729,658, underscores the company’s commitment to innovation in…

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Canadian Youth Cannabis Use Declines Post-Legalization, But Shifting Risks and Mental Health Concerns Emerge

Ottawa, ON – In the years following Canada’s legalization of recreational cannabis, new research indicates a notable decline in adolescent cannabis use. However, this positive trend is accompanied by evolving concerns, particularly the increasing implication of mental health issues and a shifting landscape of risk factors among young people. A comprehensive study, published in the…

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DongCheng Dominates Asia’s Brand Influence Rankings, Cementing Global Power Tool Leadership

On September 24, 2025, the prestigious “Asia’s 500 Most Influential Brands 2025” list was unveiled at the 20th Asia Brand Summit in Hong Kong, recognizing Jiangsu DongCheng Power Tools for the second consecutive year. Securing the 456th position, DongCheng not only repeated its esteemed honor but also solidified its unique standing as the sole enterprise…

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Auckland Police Dismantle Major Cannabis Operation, Seize 500kg of Drugs and Cash

Auckland, New Zealand – October 10, 2025 – Auckland police have delivered a significant blow to organized crime with the successful dismantling of a large-scale cannabis growing operation. The coordinated raids, executed on Thursday, October 9, resulted in the seizure of over 500 kilograms of cannabis, along with significant quantities of MDMA, Ketamine, and a…

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South Korea’s Outdated Cannabis Laws: Patients Suffer, Industry Stalls Amidst Global Advancements

South Korea finds itself increasingly out of step with global shifts in cannabis policy, grappling with outdated regulations that severely restrict access for patients, stifle domestic innovation, and strain its public healthcare system. Despite a partial legalization of medical cannabis in 2018, the country’s stringent approach, which continues to classify even non-psychoactive compounds like CBD…

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Cheech & Chong Brand Brings Cultivated Cannabis Innovations to Ohio Through Riviera Creek Partnership

Youngstown, OH – The legendary cannabis brand synonymous with counterculture comedy, Cheech & Chong, has officially expanded its presence into the Ohio market. Through an exclusive partnership with Riviera Creek, a leading cannabis cultivation and processing company based in Youngstown, Ohio, consumers across the state can now access Cheech & Chong-branded cannabis products. The collaboration,…

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Poughkeepsie Deli Shut Down for Selling Dangerously High-THC Cannabis Products; State Intensifies Crackdown on Unlicensed Market

TOWN OF POUGHKEEPSIE, NY – In a significant enforcement action, the E-ASY DELI on Fallkill Avenue in the Town of Poughkeepsie has been shut down by the State Office of Cannabis Management (OCM) and local police for selling unlicensed cannabis products containing dangerously high levels of THC. The operation, which led to the confiscation of…

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Washington State Empowers Budtenders with New Training on High-Potency Cannabis Health Risks

Washington State Empowers Budtenders with New Training on High-Potency Cannabis Health Risks The Washington State Department of Health has launched a new online training program aimed at equipping cannabis budtenders with crucial knowledge about the health risks associated with high-potency cannabis products. This initiative, driven by concerns over the increasing strength of available cannabis and…

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