Author Archives: Greenpoint Seeds

A Climatological and Agronomic Substantiation of Florida as the Premier Jurisdiction for Commercial Cannabis sativa L. Cultivation

☀️ Research White Paper The Subtropical Advantage A Climatological and Agronomic Substantiation of Florida as the Premier Jurisdiction for Commercial Cannabis sativa L. Cultivation For decades, the Emerald Triangle held the crown. But a rigorous analysis of solar physics, plant physiology, and agricultural risk management reveals a fundamental realignment—Florida is the future of American cannabis.[…]

Black Friday Seeds Drop

Black Friday 2025: Star Dawg Crosses (Regular)

The Back-to-Basics Drop By Gu~ @ Greenpoint Seeds I built this Black Friday run to do two things at once: Star Dawg is the canvas. It’s clean, vigorous, and a proven building block—an improvement on the old Skunks and one of the true pillars of modern genetics. I’m using it to outcross heirlooms, then backcross those lines[…]

Farewell to a Legend: The Final Chapter of Purple Punch at Greenpoint Seeds

Since 2019, Purple Punch has been a cornerstone of our catalog at Greenpoint Seeds. When I first partnered with Will, we explored various genetics, but it was clear that Purple Punch was destined to be the star. Our decision to push Purple Punch to the forefront wasn’t just a business move—it was the start of[…]

Guardians of the Green: Preserving Cannabis Heritage Amid a Sea of Fads

In a world where flashy new strains dominate the spotlight, the rich heritage of classic cannabis genetics is quietly fading away. As the industry chases after the latest trends, one grower is on a mission to preserve the irreplaceable strains that have shaped the history of cannabis. Discover why safeguarding these green treasures is more crucial now than ever before.

Leaf Doctor Cannabis Champion Trophy Display

The Leaf Doctor: The Rise of Michigan’s King of Cannabis

Hello everyone, my name is Marcel, akaThe Leaf Doctor or Leafdoctor1_ on IG, Michigan’s King of Cannabis, and winner of 108 Cannabis Cups. This is my story. It all started when I was a kid hanging out at my grandma’s house. She had a garden we weren’t allowed in. One day, she got a phone[…]

Modern laboratory with HPLC equipment for accurate cannabis and hemp THC testing

Navigating THCA Testing in Hemp Cultivation: The Precision of HPLC Over GC

In the rapidly evolving world of hemp cultivation, understanding the nuances of THC testing is vital for compliance and product integrity. High-Performance Liquid Chromatography (HPLC) emerges as a superior method, especially crucial for growers aiming to stay within legal THC limits. Unlike Gas Chromatography (GC), which can inadvertently convert non-psychoactive THCA into THC, HPLC preserves the integrity of cannabinoids in their natural form during testing. This distinction is essential for hemp producers, as it ensures accurate THC content measurement, crucial for legal compliance and market trust.

The choice of a testing method and lab is not just a technical decision but a strategic one. With different states having varied regulations, and with the cannabis industry on the cusp of potential federal legalization, the need for standardized testing methods becomes even more pronounced. The National Cannabis Laboratory Council (NCLC) is spearheading efforts to create unified testing standards across the country, a move that would ensure consistency and reliability in cannabis testing nationally.

CEC is Soil

Soil Building Theory, Reimagined: Unearthing The Secrets to a Fertile Garden – Part 2 of 2

Discover the untapped potential of your cannabis plants by enriching the soil with organic matter. Learn how an intricately balanced environment of nutrients and microbial life can not only improve yields but also amplify the flavor, aroma, and potency of your cannabis. A must-read for any cultivator seeking to advance their soil game and produce top-quality, eco-friendly cannabis.