The document discusses yellow cannabis leaves, including the symptoms, causes, treatment, and prevention. The main causes of yellow leaves are improper watering, lack of nutrients, improper lighting, and high or low temperatures. To treat yellow leaves, the document recommends ensuring proper watering and nutrient levels, adjusting lighting, and regulating temperatures. It also provides tips for prevention, such as monitoring plant conditions and controlling pests.

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Yellow Cannabis Leaves - How to Treat
Them and Prevent Them in the Future
Symptoms, Causes, Treatment and E cient Techniques to Prevent Yellow Cannabis Leaves
Posted by:
Joseph Billions on Tuesday Feb 4, 2020
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Symptoms, Causes, Treatment and E cient Techniques to Prevent Yellow Cannabis Leaves
Cannabis growers all over the world encounter one problem or the other with their plants at some stage as not every
plant can grow without issues and this is regardless of them being beginners or experts. These problems could occur in
any form whether over or underwatering of the plants, lack of nutrients, grower error, or pests and diseases which

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attack the plant while growing and is likely to cause some damage to your plant yield and quality if not quickly attended
to.
The yellowing of cannabis leaves is the evidence of a plant condition called chlorosis (lack of chlorophyll) that makes the
leaves of your cannabis plant wither and turn yellow. It occurs as a result of insu cient nutrients, water, lighting, and
attention for the plants causing its leaves to turn yellow, wither and eventually die if not quickly treated.
It is necessary to con rm that it is yellow leaves disease that has a ected your cannabis plant before moving on to know
what causes it and then nding solutions or means of treating it so that the disease doesn’t spread to other plants. Also,
you have to ensure not to take hasty decisions regarding the removal of the a ected leaves because carrying such out
might a ect the overall growth of the plant is carried out on a young plant but might not have any e ect on plants in
their last owering stage. This is because the natural yellowing and death of plants (senescence) usually occur around
this period too.
Causes Of Yellow Leaves
Yellow leaves disease is a result of several factors that occur during the growing process to interfere with the
development of the plant. It is important to identify some of these factors to avoid them from happening if necessary at
any other point in time.

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Improper watering system
The right watering system is very important to the growth of the cannabis plant as a grower needs to nd the right
balance. Balance is essential for your plants to be healthy as overwatering can lead to mold while underwatering could
cause yellow leaves which in turn a ects their entire wellbeing. Cannabis plants do not only need to be watered at the
right time but also in the right quantity and this can be monitored with the use of a humidity meter.
Nutrients
Insu ciency or loss of nutrients or pH is a major cause of yellow leaves because the plant needs every little bit to grow.
If the pH level is anything below 5, your plants are likely to start developing yellow leaves, on the other hand, your
nutrients or pH should not be excessive as this will also cause damage to your plants. This is why it is important to
maintain the level of nutrients and pH at an ideal level to prevent this from occurring.

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Lighting
Insu cient or excessive lighting can expose your cannabis plant not only to yellow leaves but also light bleaching.
Having your plant too close or too far from the light is what brings this about and that is why it is crucial for the safety of
your plants to follow instructions when hanging your lights and adjust it as it grows.
Temperature
Low or high temperatures are another cause of yellow leaves in cannabis plants. if the temperature is too low like below
100C, there is a possibility of your leaves turning yellow. High temperatures are a sign of extreme heat which causes the
plants to turn yellow and wilt.
Methods Of Prevention and Treatment Of Yellow Leaves
The plant should have a good wet-dry cycle which should be regularly monitored with the aid of a humidity meter and
kept to a routine. Also, creating drainage at the bottom of your pots will prevent overwatering and allow excess water
run-o .
Maintaining a certain pH range for your plants is a good way of preventing yellow leaves and this can be monitored with
the use of a pH meter. However, if already a ected, you can ush your plants with pre-water that has the right pH.
Adding sulfur to your plant is also a great way to help regulate soil pH, however, ensure this is not administered wrongly
to prevent further damage.
Constant monitoring of your plant's growth to light positioning and intensity can help prevent light deprivation, burns,
and bleaching.
Temperatures can be regulated with the use of fans or air conditions.
Adoption of the companion planting system is a great way of reducing pests from your plant. You could also get some
insects such as praying mantis and ladybug which are predatory to help keep pests at bay.

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In conclusion, yellow leaves are one of the challenges cannabis growers will face and there is no permanent solution.
What can only be done is to constantly monitor and check on your plants for any signs of its leaves turning yellow, once
it is found, you can always take precautions such as the above to handle it immediately.
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