There’s a plant called ‘Sleeping Pothos’ with leaves that are curled up and it’s how it got its name. But if you see the same situation with your marijuana leaves, it’s not normal. As a responsible grower, you have to find ways to correct it and allow them to be healthy.
If you have no idea why it happened, this article will show you the cause and cure of marijuana leaves curling up. So you can tend your plants in the right way.
Clawing Means Leaves Curling Up
Clawing is another way to call marijuana leaves that are curling up. ‘The Claw’ is the term for this phenomenon. Though this change on your plants is distinct, the reason behind it may vary from cases to cases. So you need to apply a specific solution or cure once you found out the cause of this issue. You shouldn’t just ignore this happening as it can kill your marijuana plants.
Causes and Cure of Leaves Curling Up on Marijuana Plants
Overwatering
One of the common mistakes of some growers is to keep on watering their plants. They do it with the idea of keeping them healthy all the time. But it’s not true at all. If you’re not mindful of the correct pattern of watering your plants, you can drown them and unintentionally remove beneficial microbes.
Overwatering expose your plants to parasites called Pythium, an organism that causes root rot. Then your plants will end up with claw-like leaves. It’s one of the signs that your roots are clogged with water.
To ameliorate things, you have to reduce the amount of water that you give your plants. You can follow the wet and dry patterns. When your plants are in pots, you lift them. When they’re heavy, it means they still have reserved water.
The way to check the plants that are not in pots is to press the soil for you to see if it’s too moist or dry. When it’s dry, you can water them with the right amount. If it’s not, you can do it the next day or a few days later.
Overfeeding and Underfeeding
It’s another common mistake of growers just like overwatering. If you’re giving the marijuana plants an excessive amount of nitrogen, you compel the leaves to curl up or transform into claw form. But if you feed your plants the other way around, the leaves will also do the same thing if they don’t receive enough nutrients.
A feeding chart can help you commit such a mistake. You would know the right amount of nutrients your plants need. Feeding charts are available on the website of companies that produce the fertilizer.
When feeding your marijuana plants with certain nutrients, do it low and slow. Increasing can be done later on. Daily observation should be done on how the plants react to the feeding process.
The right level of pH is also important to allow the nutrients to have their best shot in nourishing the plants. It should be in the range of 5.8 pH to 6.0 pH.
Hot Temperature
Heat can stress most plants without excluding marijuana. The danger that it can bring happens for both indoor and outdoor plants. It burns leaves of course. Aside from curling, brown tips appear as well. These are the signs of heatstroke among plants.
When you see this, you have to be alarm and check the temperature in your garden. The ideal temperature should not be above 28 degrees Celsius. When it increases, plants can be harmed.
Adjusting the temperature in your garden or growing room is the solution. Those who tend to the indoor garden would find it easy. An air conditioner will help them lowering down the temperature.
You also have the check the distance of your grow lights from the plants. The usual distance should be around 8 to 20 inches. It all depends on the lighting type and watts.
Controlling the temperature may be challenging for growers who chose to place their plants outdoors. Covering the plantation with a screen is the way that you can cool the temperature down.
Too Much Cold
Too much of something can be bad. Just like heat stress, too cold temperature can perturb marijuana plants. It will also make their leaves curl up. The worst effect is killing your plants after exposing it to a cold temperature of around 10 degrees Celsius for a long time. It can easily make them sick as they remain with high RH. The buds become moist too which is degrading its quality.
The temperature that is favorable for marijuana plants is from 20 to 28 degrees Celsius. Since you can control the temperature in indoor cultivation, you can make the humidity rise. Some growers supply their garden with CO2. You can also optimize your grow lights or change the light schedule.
So many ways for indoor growers to increase the temperature. But the struggle is real for those who grow marijuana outdoors. The way to avoid cold weather damaging your plants is to have an early harvest. But you can also practice root insulation for this situation
About Weed Genetics
When breeding or reproducing, you must select a healthy plant as the mother of the future offspring that would take after the vigor of its parent. The new plants will be unstable and prone to diseases if they are taken out of an unhealthy mother plant.
Marijuana plants have leaves curling up is something that they have inherited. So to correct this problem, you have to make sure that you feed them properly with the right nutrients. Let them heal so they will grow healthily.
Final Words
Marijuana growers should do regular monitoring of their plants so they will discover the issues early for the cure to be applied. Just like how the leaves curling up on marijuana plants. With the causes and cures mentioned above, you will be able to save them from perishing.
