Guides to Fixing Cannabis Plant Deficiencies and Problems

Guides to Fixing Cannabis Plant Deficiencies and Problems

May 28, 2019 Off By percysgrowroom

Welcome to Percys Grow Rooms Guides to Fixing Cannabis Plant Deficiencies

Here you will find everything you need to help you fix a cannabis plant problem. From snapping a branch during LST, to drying cannabis losing its smell.

Plant Problems

No matter what your problem is, the key to fixing it is a correct diagnosis. You’re not alone!

Ask for help in our forum, no matter what the issue, you will find a grower who has experienced it before who can help!

Don’t rush, take your time! Make sure you know what the problems is, and then begin to treat it.

Whether you have a hungry plant, are bugs have invaded your grow room, you will find a grow guide here to help you fix the problem.

The important thing to remember when treating a sick cannabis plant, is proper diagnosis. If you need help diagnosing what is wrong with your plants, then enter a post into the infirmary section of the forum.


Here is a list of common cannabis plant deficiencies. Each picture here is downloadable, and printable for future reference.
Click on any image to go to a full guide on diagnosing and treating a cannabis plant deficiency.

Excess and Toxicity

When you overfeed a cannabis plant, it can suffer with excess and toxicity. It is always better to under feed a cannabis plant, than over feed one.
If you think your plants are suffering with nutrient excess, then here are some guides to help you fix the problem, and prevent it from happening again

Cannabis Plant Infi...
Cannabis Plant Infirmary
Last Post Info

Diagnosis Section

Fill in this cannabis plant problems diagnosis form, as much as you can and start a new thread in the infirmary. This will help members diagnose what's wrong with your plant faster.

Topics: 13  |  Posts: 165

Please help the plants die!


Deficiencies & Excess

If your cannabis plant is looking pale, dark, or has rusty spots on the leaves, it may be suffering with nutrient deficiencies. Get help fixing your sick cannabis plant by starting a new topic in this section. Fill out the Diagnosis form, and upload a picture.

Topics: 14  |  Posts: 35

Nitrogen Deficiency in a Canna...


Bugs & Pests

Find out how to kill bugs on a cannabis plant, and even how to prevent them from appearing in the first place. How to kill thrips, how to kill spider mites, home made insect repellents and much more! Stay bug free with Percys Grow Guide to Bugs and pests.

Topics: 8  |  Posts: 40

How to Kill Aphids on a Cannab...


Rot & Diseases

What does bud rot look like? What is powdery mildew? Rot and disease can manifest itself in many ways. Find out how to prevent bud rot and diseases in Percys Grow Guide to Rot and Diseases.

Topics: 0  |  Posts: 0

Forum is empty


Cannabis Plant Infirmary

If your plants are suffering with a problem, this is where you can get them fixed. Start a new topic, and give as much detail on your grow as possible. Get help fixing your cannabis plants, and also get advice on keeping your cannabis plants healthy.
Page 1 / 2
Topic Title
Last Post

By Macky
1 month ago

By Macky
1 week ago

By methann
1 week ago



twisted1, 4 weeks ago

By twisted1
4 weeks ago


Poor Clones

twisted1, 2 months ago

By White Widow
1 month ago

By Macky
1 month ago


sick ladys

twisted1, 2 months ago

By twisted1
2 months ago

By Canna_Educator_
2 months ago

By Macky
3 months ago

By littlegardens
3 months ago

Page 1 / 2

Common Causes of Plant Problems

Identifying and Treating Bugs on Cannabis Plants

There are many bugs that will try to eat your cannabis plant. The key to treating any bug infestation is correct diagnosis and treatment.
Clean the grow area, clean the plants, and find out how the bugs got to them. Then find out how to treat the bugs here

Pesticides for Killing Bugs on a Cannabis Plant

If you give the plant the wrong treatment, it may make the problems worse.

Plant Deficiencies


Guides for Fixing Cannabis Plant Deficiencies and Problems

Common Cannabis Plant Problems and Solutions
Fix a Cannabis Plant Problem, in 7 Steps
Diagnose a Cannabis Plant Problem
Ec and Ph Fluctuations in Hydroponics
Micro and Macro Nutrients
Keeping Healthy Cannabis Plant Roots
Symptoms of Over watering Cannabis Plants

Cannabis Plant Problems
in Flower

Diagnosing and Treating Bud Rot and Mould
Controlling the Stretch

For more Guides Check here:

Cannabis Plant Problems Category
Bugs and Pests Section

Every cannabis grow guide in our plant problems section, is written by experienced growers and members of our cannabis growers forum. If you need advice, or have any questions, sign up, we are always happy to help!

Cannabis Growers Forum
Fix a Plant Problem

In this section of the forum, we have a Plant Doctor!

Fill out the template and post it into a new topic. The more info you can provide us with, the better chance you have of a speedy, and accurate diagnosis.