Trouble reading today's article? Click here: Issue #328 - Sunday, July 29, 2018
Dear Fellow Grower,
In today's issue... - Does your cannabis plant have yellow leaves? By the end of this newsletter, you'll be armed with the knowledge to fix ANY yellow leaf problem you
encounter!
- Are you the type that loves Cliff Notes/Spark Notes? Don't tell the others, but there's a super-fast version of this newsletter partway down!
- We're switching it up this week. Not only do we have great trophy pics from 2 different growers, we
have a third picture in which we'll help diagnose a problem with a cannabis plant!
Nebula Haze & Sirius Fourside (founders of GrowWeedEasy.com) "It's not that I'm so smart,
it's just that I stay with problems longer."
~Albert Einstein
10 Tricks to Fix Your Yellow Leaves!
by Nebula Haze |
Are some or all of your cannabis leaves turning yellow? Maybe your leaves also have other symptoms like spots, curling, wilting, brown patches, etc. Marijuana plants may get yellowing leaves for several different reasons, so it can be hard to figure out the true root of the problem! |
Today I’ll break down the 10 most common reasons your weed leaves turn yellow, and I’ll show you how to make your plant green again!
10 Most Common Reasons for Yellow
Leaves
- Root pH
- Poor Watering Practices
- Nitrogen Deficiency
- Light Burn
- Heat Stress / Cold Shock
- Magnesium Deficiency
- Iron Deficiency
- Not Enough Light (Seedlings)
- Bugs or Pests
- Bud Rot
10 Causes of Yellow Leaves (From Most to
Least Common)
1.) PH is Too High or Low at the Roots
Whether you’re growing in soil, coco coir or in hydroponics, probably the most common reason to see yellowing and other nutrient deficiencies is the pH near the roots is too high or too low. Cannabis plants have a difficult time absorbing nutrients when the pH is off, resulting in nutrient deficiencies even if the
nutrients are actually present near the roots.
Symptoms - Yellow or other oddly colored leaves
- Spots, stripes or patches
- Burning around the edges of leaves
- In fact, basically any nutrient deficiency can be triggered by incorrect pH!
How Do Growers Get It?
Growers who don’t make sure their pH stays in the right range will often run into nutrient deficiencies, even if they’re starting with a pure
source of water and good soil!
- Soil Optimum: 6-7 pH
- Coco / Hydro Optimum: 5.5-6.5 pH
How to Fix
These symptoms
look like nutrient deficiencies but are actually caused by incorrect pH!
This is a deficiency, even though it looks a little like nutrient burn
(too high levels of nutrients). The main clue is the yellow striping on the leaves. Another clue is the brown tips are going in further than typical nutrient burn. Stripes on the leaves (click for close-up) indicates that this isn’t a Nitrogen deficiency, even though the symptoms are somewhat similar. In this case the symptoms were caused by the pH being way too
high. 2.) Poor Watering Practices
It’s much more common
to over-water than under-water cannabis plants, and the symptoms are very similar. In either case, the solution is to learn how to water your plants exactly the right amount at the right time!
Symptoms of Poor Watering Practices - Droopiness (it’s normal for plants to droop a little before the lights go out, but you know the drooping is a problem if it’s already happening at the beginning of their “day”).
- Odd problems and symptoms from poor water practices including yellowing and sometimes other deficiencies.
- Overwatering – leaves seem “fat” and swollen with water. Often you’ll have a feeling you may be overwatering your
plant, especially if it’s a small plant in a large container.
- Underwatering – leaves often seem “papery” and thin because they don’t have any water inside them. Chronic underwatering leads to overall yellowing and deficiencies.
How Do Growers Get It?
- Overwatering is most common with young plants since they still have small, weak root systems
- You can hurt plants by giving too much or too little water at a time, and you
can also cause persistent droopiness by watering too often or too infrequently
- Bad soil with poor drainage can cause the symptoms of overwatering even if you’re watering the plants perfectly!
- Small plants in big containers are easily over-watered
- Big plants in small containers are easily under-watered
- Growers who spend long periods away from their plants and/or don’t pay attention to their watering needs are much more likely to run into problems with droopiness!
How to Water Your Plants Correctly
Overwatering
Chronic overwatering can sometimes cause unusual deficiencies even if the pH is spot on, like this plant grown in muddy soil. The biggest sign that these symptoms are caused by overwatering and not pH (or something else) is that the plant is always
droopy. Another example of a deficiency that’s actually caused by overwatering (notice how this seedling is also droopy) There's still much more article to go!
Click below to continue where you left off
at:
or...
The Cheat-Sheet for No Yellow Leaves! |
Although this guide is pretty comprehensive, you could a lot of the same problem-solving power by going for the 3 most common issues. |
1. ALWAYS make sure to check your pH first. It's absolutely crazy how often pH is the real culprit when it looks like there's a deficiency.
2. Ensure that you're using good practices when watering
your plants.
3. If your
pH is good, you might actually need to add nutrients. Using nutrients that are known to work well with cannabis will make it so you have one less factor to be worried about.
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Hola Nebula,
I just wanted to write and express my gratitude for the whole Grow Weed Easy website - you are simply the best out there! The breadth and depth of the topics, the illustrations, the common sense and well-written topics have aided me time after time.Just a huge thank you and keep up the great work! Anything I can ever do for you, please let
me know.
Hasta pronto!
- Heisenberg
|
Trophy Pictures of the Week! |
"White Widow, a day before harvest at 9 weeks, grown in DWC. From the high THC content to its ability to manage certain pains as well as create euphoric feelings I haven’t felt with other strains I’ve grown or smoked, the White Widow is truly a strain worthy of its hype. Flavors are pungent, earthy/woody, with slight hints of sweet pine towards the end. However, its potency is
hands down one of the top best. An easy strain for beginners. However, if you're new to smoking, be careful, she bites." ~Cannabliss |
We thought this would be good place to answer this growers question since it's so pertinent to the topic of the day!
"Started turning light green I have a few other plants that are a darker green" ~Mordacai
So, what's causing this growers problem?Let's
use the stuff we just learned and help this grower out! *(Answer below)
- This plant is being grown in coco coir, so Nitrogen is easily absorbed as shown by this chart.
- The plant isn't drooping at all and the medium (coco) looks relatively dry.
- Watering probably isn't a problem.
- The yellowing is mostly uniform with more severe yellowing towards the bottom leaves. No apparent stripes or spots.
- This is a Nitrogen deficiency!
Solution: Give your plant some "grow"
nutrients next feeding to add more Nitrogen.
We encourage you to forward this email to a friend in need!
Check Out Our Growing Community! |
Check out our friendly growing community to ask questions, discuss your grow, share pictures, or otherwise talk about growing cannabis with other real growers!
Ask Questions & Talk With Other Growers!
Please note: We let each person in manually, so please be patient after you request to join and we'll try to let you in as soon as possible!! |
Who Runs This
Newsletter? |
Nebula Haze:
I'll be honest with you, when I first started growing, I struggled. Now, it is my
mission to make it easier for new growers to get started as well as help advanced growers get bigger, better yields with less time and money. We are updating and adding articles every single week and our goal is to eventually build a comprehensive growing resource so anyone and everyone can grow if they want to! If we all share the knowledge there's more buds in the world for everyone :) |
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Learn which seed sources are personally recommended by Nebula Haze |
Sirius Fourside:
Sirius Fourside is a hobbyist grower who has gained the bulk of his experience growing in water as a medium (deep water culture, bubbleponics).
"Growing cannabis can be a relaxing hobby in and of itself, but it also saves you money and keeps you from having to deal with shady characters. Cannabis is much easier to grow than people give it credit for, and growing in water
doesn't increase the difficulty much, if any. But whether you want to grow in water, coco, or a different medium, we'll show you how easy it can be!"
Get Your Seeds Delivered Safely! |
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banks including what type of payment they accept and where they ship in the world!
List of trusted seed sources:
http://www.growweedeasy.com/seeds Get Seeds!
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2018 GrowWeedEasy.com NOTE: If links aren't working or if pictures are not showing up
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contributors to this magazine grow legally under their local laws but are not lawyers or medical professionals. Any decision to grow marijuana should only be made after consulting with an experienced lawyer or other legal adviser. Any medical decisions should only be made after speaking with a doctor or other medical professional. Be safe! How Did I Sign Up For This Newsletter?
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