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Sam North

MSNL Cannabis Blog

Read the MSNL Seeds blog for expert cannabis growing tips, strain guides, industry news, and cultivation advice from trusted professionals in the USA.

Sam North

Sam North is a cannabis writer with hands-on cultivation experience and a background in cannabis journalism. He has written for a range of established cannabis brands across the industry, including Fast Buds, Paradise Seeds, Cookies Seed Co., and Releaf, and is now one of the lead authors for MSNL. Drawing on multiple seasons of practical experience working with cannabis plants, Sam specialises in grower education, strain characteristics, and cannabis genetics. His work focuses on translating real-world cultivation knowledge and industry research into clear, accessible information for growers looking to better understand the plant and its genetic potential. Sam now writes for multiple weed publications. He has extensive experience with a wide range of canna-agriculture styles, from smaller artisanal farms to large-scale commercial operations, and is here to share his knowledge to give you all the best chance of cultivation success!

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Grow Guides
How to lollipop autoflowers for bigger yields and better bud quality
Lollipopping autoflowers is a pruning technique used to remove lower growth that is unlikely to produce dense, high-quality buds. While many growers worry about stressing autos ...
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Grow Guides
How long does it take to grow cannabis?
If you’re new to growing cannabis, one of the first things you’ll want to know is how long the process actually takes from seed to harvest. The short answer is that it depends, ...
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Plant Problems
Zinc Deficiency in Cannabis: How to Identify, Fix and Prevent It
Zinc deficiency in cannabis can quickly affect healthy new growth, but the symptoms are easy to confuse with other nutrient problems. Pale or yellow young leaves, distorted grow...
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Grow Guides
When is the best time to defoliate autoflowers?
Autoflower cannabis plants can benefit from light defoliation, but timing and restraint are critical due to their short vegetative stage and limited recovery time. When done cor...
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Cannabis Science
What is THC-P?
What a year 2020 turned out to be. The pandemic, global lockdowns, and social distancing all became somewhat of a new normal. But, the big news in the world of cannabis science?...
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Cannabis Genetics
What are the best landrace strains?
Landrace cannabis strains, while somewhat rare in the modern day weed scene, are the pure, untouched cultivars that still grace the grinders, bowls, rolling papers, and vapes of...
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Grow Guides
Cannabis NPK: The best ratio for each growth stage
Understanding NPK ratios is one of the biggest factors in growing healthy cannabis plants from seedling through harvest. NPK refers to nitrogen (N), phosphorus (P), and potassiu...
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Plant Problems
Identify and treat powdery mildew on cannabis
Powdery mildew is one of the most common fungal problems cannabis growers encounter, and it can spread surprisingly quickly if left unchecked. It appears as white, powdery patch...
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Plant Problems
Nutrient Burn in Cannabis: Symptoms, Causes, Fixes and Prevention
Nutrient burn in cannabis happens when the root zone contains more fertilizer than a plant can safely use. The earliest warning is usually a small yellow or brown mark at the ti...
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Grow Guides
When to Stop Feeding Cannabis Nutrients: A Complete Guide
Knowing when to stop feeding cannabis nutrients is just as important as knowing when to start. Cannabis plants need a steady supply of nutrients throughout most of their life cy...
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Grow Guides
Cannabis Light Schedule: The Complete Indoor Grow Guide for Every Growth Stage
Growing healthy cannabis indoors starts with choosing the right cannabis light schedule for each stage of your plant's life. Whether you're growing photoperiod or autoflower can...
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Strain Reviews
Permanent Marker Strain Review: A Closer Look at This Potent Hybrid
Permanent Marker is an indica-dominant cannabis strain known for its high THC potential, unusual marker-like aroma and dense, resin-covered flowers. Created from Biscotti, Sherb...
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Strain Reviews
Super Boof Strain Review: From Fruity Terpenes to Growing and Harvest
Super Boof is a popular hybrid cannabis strain known for its fruity aroma, high THC potential and dense flowers. But what makes it different from other hybrids, and what should ...
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Strain Reviews
Kush Mints Strain Review: A Closer Look at Its Genetics, Potency and Growth
Kush Mints is a balanced hybrid cannabis strain known for its refreshing mint aroma, earthy Kush taste and high THC potential. Created by crossing Animal Mints with Bubba Kush, ...
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Strain Reviews
White Runtz Strain Review: Potency, Effects, Taste & Growing Tips
White Runtz is an indica-dominant cannabis strain known for its sweet, fruity taste, high THC potential and dense, resin-covered buds. With genetics linked to Gelato and Zkittle...
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Strain Reviews
Lemon Cherry Gelato Strain Review: Everything New Growers Should Know
Lemon Cherry Gelato is a popular indica-dominant cannabis strain known for its sweet lemon and cherry taste, high THC potential and dense, resin-covered flowers. With roots in C...
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