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Discolored Leaves


Bud Rot

by Nebula Haze

How to Prevent & Stop Bud Rot (quick summary)

  • Air circulation - Make sure there’s always plenty of air moving over all the buds and leaves, and through the plant. This can take careful planning.

Picture: 
Cannabis Bud Rot - GrowWeedEasy.com
Big Symptom Picture: 
Leaf Color: 
Edges Appear Brown or Burnt
Dark or Purple Leaves
Leaf Symptoms: 
Spots
Abnormal Growth
Other Symptoms: 
Mold

Case Study: Root Rot Recovery

by Sirius Fourside

In this article, I will share how we were able to remedy a case of cannabis root rot in a hydroponic setup. Root rot is often thought of as being "incurable" and I've heard of several cases where growers throw away their cannabis plants that are hit by root rot. I know lots of growers who have tried hydroponic growing, and gave up after running into root rot for the first time.

Root Problems

by Nebula Haze


Table of Contents

Root Problem Symptoms (many different symptoms)

Triggers for Root Problems

How to Treat Root Problems


 

Cannabis Plants With Root Problems Show Many Symptoms

Picture: 
Cannabis Root Problems - GrowWeedEasy.com
Big Symptom Picture: 
Leaf Color: 
Edges Appear Brown or Burnt
Pale Color Leaves
Yellow Leaves - New Growth
Yellow Leaves - Lower, older leaves
Yellowing Between Veins
Veins of Leaves Stay Green
Red or Pink Color on Leaves
Brown or Dark Spots
Leaf Symptoms: 
Yellowing Between Veins
Veins of Leaves Stay Green
Spots
Old Leaves Dropping Off
Slow Growth
Abnormal Growth
Leaves Curl Under
Leaves Curl Upwards
Wilting / Drooping
Plant Symptoms: 
Old Leaves Dropping Off
Slow Growth
Twisted Growth
Leaves Curl Under
Leaves Curl Upwards
Plant Wilting / Drooping
Root Symptoms: 
Brown
Smelly
Mushy
Slow Growing

Pictures of marijuana symptoms caused by over-watering, too much heat, and small containers

by Nebula Haze

Here's a series of pictures of a couple marijuana clones I had a few years ago.

I was experimenting with growing an entire plant from clone to harvest in a solo cup, which is why you can see flowering plants in such small containers. Each of these were flowered as soon as the clones took root. This technique is often called "Flowering from seed" or "12-12 from seed" and just means that you force the plant to start flowering at a very young age. I wanted to see how small I could get flowering plants.

Spider Mites

Spider mites (sometimes called spidermites) are part of the mite family and are related to ticks and other mites. They're a common cannabis pest, and can be hard to get rid of.

First Sign of Spider Mite Damage - Tiny Specks (Bite Marks) On Leaves

Picture: 
Spidermite webs on cannabis leaves - GrowWeedEasy.com
Big Symptom Picture: 
Leaf Color: 
Brown or Dark Spots
Mottling / Mosaic Pattern
Leaf Symptoms: 
Spots
Mottling / Mosaic
Slow Growth
Webbing on leaves
Plant Symptoms: 
Slow Growth
Plant Wilting / Drooping
Other Symptoms: 
Webbing
Bugs
Buds Not Fattening

My first bottom leaves have died and the tips on 3 of my 12 plants have started turning yellow...

Question: My first bottom leaves have died and the tips on 3 of my 12 plants have started turning yellow. This is my first grow.

Here's a picture showing the damage on one of the marijuana plants:

Why is my whole plant wilting, curling, with tips turning black and leaves turning yellow?

Question: Why is my whole plant wilting, curling, with tips turning black and leaves turning yellow? Just flipped to flowering stage. Plant is drinking less than normal.

Why are my seedlings tall?

Question: Why are my hydroponic marijuana seedlings getting tall and dying?

Help, My Leaves Are Dying!

I hear this question all the time...

"What's wrong with my plant? The leaves are..."

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