MSNL Cannabis Blog

Explore the MSNL blog for expert cannabis growing tips, strain guides, and cultivation advice from trusted seed bank professionals.

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!

  1. Lollipopping Autoflowers: When and How to Prune Safely
    Grow Guides
    Lollipopping Autoflowers: When and How to Prune Safely
    Lollipopping autoflowers is a pruning technique used to remove weak, shaded lower growth that is unlikely to develop into well-formed flowers. Some growers use this method to op...
  2. How long does it take to grow cannabis?
    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, ...
  3. Zinc Deficiency in Cannabis: How to Identify, Fix and Prevent It
    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...
  4. Defoliating Autoflowers: When and How to Remove Fan Leaves
    Grow Guides
    Defoliating Autoflowers: When and How to Remove Fan Leaves
    Defoliating autoflowers involves removing selected fan leaves to improve light distribution and airflow around the plant. Many growers use this technique to manage dense foliage...
  5. What is THC-P? How It Differs From THC and What Research Shows
    Cannabis Science
    What is THC-P? How It Differs From THC and What Research Shows
    What is THCP, and how does it differ from THC? THCP (tetrahydrocannabiphorol) is a naturally occurring cannabinoid found in trace amounts in cannabis plants. First identified in...
  6. What Are Landrace Strains? 8 Classic Cannabis Varieties Explained
    Cannabis Genetics
    What Are Landrace Strains? 8 Classic Cannabis Varieties Explained
    Landrace strains are traditional cannabis populations that developed over generations in specific regions, shaped by local climates, cultivation practices and natural selection....
  7. Cannabis NPK: The best ratio for each growth stage
    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...
  8. Identify and treat powdery mildew on cannabis
    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...
  9. Nutrient Burn in Cannabis: Symptoms, Causes, Fixes and Prevention
    Plant Problems
    Nutrient Burn in Cannabis: Symptoms, Causes, Fixes and Prevention
    Nutrient burn in cannabis happens when the root zone contains more fertiliser than a plant can safely use. The earliest warning is usually a small yellow or brown mark at the ti...
  10. When to Stop Feeding Cannabis Nutrients: A Complete Guide
    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...
  11. Cannabis Light Schedule: The Complete Indoor Grow Guide for Every Growth Stage
    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...
  12. Permanent Marker Strain Review: A Closer Look at This Potent Hybrid
    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...
  13. Super Boof Strain Review: From Fruity Terpenes to Growing and Harvest
    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 ...
  14. Kush Mints Strain Review: A Closer Look at Its Genetics, Potency and Growth
    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, ...
  15. White Runtz Strain Review: Potency, Effects, Taste & Growing Tips
    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...
  16. Lemon Cherry Gelato Strain Review: Everything New Growers Should Know
    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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