Diseases
Calendar of Cannabis Diseases in a Temperate Climate – Expanded Outdoor & Greenhouse Guide Month by Month
Calendar of Cannabis Diseases in a Temperate Climate – Expanded Outdoor & Greenhouse Guide Month by Month

A detailed calendar of cannabis diseases in a temperate climate – your monthly guide to outdoor and greenhouse threats. Learn when to expect mold, rot, and pests, how to protect your crop, and keep harvests healthy all season long. Outdoor mould calendar and cannabis disease season made simple for growers.

Watering
Algae and Biofilm in Hydroponics – Not a Plant Disease, but a Source of Chaos
Algae and Biofilm in Hydroponics – Not a Plant Disease, but a Source of Chaos

Learn about the real risks of algae and biofilm in hydroponic systems. Discover how these hidden threats disrupt water quality, sensor readings, and plant health—even if they don’t cause direct disease. Practical tips from a seasoned grower for managing “algae hydroponics” and “biofilm in the tank

Diseases
Collar/Crown Rot Diseases in Cannabis – Extended Guide to Symptoms, Causes, Prevention, and Related Root Threats
Collar/Crown Rot Diseases in Cannabis – Extended Guide to Symptoms, Causes, Prevention, and Related Root Threats

Discover how to identify, prevent, and manage collar/crown rot in cannabis (crown rot cannabis). Learn about the key symptoms near the soil line, the impact of watering routines, and related root diseases that threaten healthy grows. Essential knowledge for growers who want to avoid stem base rot and maintain vigorous plants.

Diseases
Mosaic Viruses “TMV-like” in Cannabis Cultivation – Controversies, Misdiagnoses
Mosaic Viruses “TMV-like” in Cannabis Cultivation – Controversies, Misdiagnoses

Learn how to recognize TMV-like (Tobacco Mosaic Virus-like) symptoms in cannabis, avoid common misdiagnoses, and distinguish viral mosaic from nutrient deficiencies and phytotoxicity. Find practical answers to essential grower questions and keep your crop safe from mosaic viruses.

Diseases
Common Cannabis Physiopathologies—Tip Burn, Light Burn, Heat Stress, and Salt Damage Demystified
Common Cannabis Physiopathologies—Tip Burn, Light Burn, Heat Stress, and Salt Damage Demystified

Cannabis plant physiopathologies—like tip burn, light burn, heat stress, and salt damage—often look like diseases but aren’t. Here’s a fast, practical diagnostic cheat sheet: learn how to spot, fix, and avoid these problems, and stop panicking over every brown spot.

Diseases
Anthracnose – How to Save Your Cannabis Leaves Before They Dry Out
Anthracnose – How to Save Your Cannabis Leaves Before They Dry Out

Anthracnose in cannabis (necrotic, dried patches on leaves, petiole and vein damage) is a sneaky fungal disease that's easy to overlook or misdiagnose. Learn to recognize the signs, react quickly, and protect your plants from major trouble—practical advice from an experienced grower, simple treatments, and the mistakes most newbies make, all explained in everyday language.

Diseases
Alternaria Leaf Spot on Cannabis – How to Spot Brown Rings, Avoid Misdiagnosis, and Keep Plants Healthy
Alternaria Leaf Spot on Cannabis – How to Spot Brown Rings, Avoid Misdiagnosis, and Keep Plants Healthy

Alternaria leaf spot in cannabis (brown, concentric spots) is a fungal disease often mistaken for nutrient deficiencies or other issues. Learn practical tips to identify, treat, and prevent it—quick diagnostics, effective remedies, and essential FAQ for every grower.

Diseases
Cannabis Leaf Septoria – How to Spot It, Tackle It, and Keep Your Grow Healthy (practical tips from someone who’s been there)
Cannabis Leaf Septoria – How to Spot It, Tackle It, and Keep Your Grow Healthy (practical tips from someone who’s been there)

Cannabis leaf septoria, or yellow leaf spot, is a common fungal disease that can devastate your grow if ignored. Learn how to recognize early symptoms, prevent an outbreak, and treat infected plants with practical methods, recommended fungicides, and natural remedies—clear advice from a seasoned grower.

Diseases
HLVd in Cannabis – How to Recognize “Dudding,” Cut Transmission, and Save Your Grow
HLVd in Cannabis – How to Recognize “Dudding,” Cut Transmission, and Save Your Grow

HLVd (“dudding disease”) in cannabis – symptoms, transmission routes, hygiene protocols with specific disinfectant doses, mother plant testing, and rescue plans for when the pathogen enters the greenhouse.

Diseases
Powdery Mildew in Cannabis: Recognition, Prevention, and an Action Plan
Powdery Mildew in Cannabis: Recognition, Prevention, and an Action Plan

Powdery mildew on cannabis – how to recognize it early, limit the risk, and what actually works when you spot the tell-tale white dust (biological solutions, sulfur, contact fungicides).

Diseases
Fusarium in Cannabis Cultivation – Symptoms, Prevention, and Treatment
Fusarium in Cannabis Cultivation – Symptoms, Prevention, and Treatment

Fusarium in cannabis cultivation – symptoms, prevention, and effective treatment methods.

Watering
Reverse Osmosis in Cannabis Cultivation: What It Is, When and Why to Use It—Especially in Hydroponics
Reverse Osmosis in Cannabis Cultivation: What It Is, When and Why to Use It—Especially in Hydroponics

In cannabis growing—especially hydroponics—reverse osmosis is valued mainly for the ability to control water quality completely.

MJFMJF

We regularly drop posts here about growing marijuana. Swing by often if you're as into it as we are.

Topics

Tags

#disease#Indica#Sativa#hydroponics#Hydro#Hybrid#substrates#outdoor#fertilizers#leafs#Cocos#watering

News

Strains
The Best Cannabis Strains for Beginner Growers
  • 23-Aug-2025
The Best Cannabis Strains for Beginner Growers
Strains
THC, CBD and Other Cannabinoids – How They Work Together and on Their Own
  • 15-Aug-2025
THC, CBD and Other Cannabinoids – How They Work Together and on Their Own
Strains
How to Read a Strain’s Terpene Profile and What It Says About Its Effects
  • 15-Aug-2025
How to Read a Strain’s Terpene Profile and What It Says About Its Effects
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