YELLOW CANNABIS LEAVES: HOW TO TREAT THEM?

Discover how to avoid yellow cannabis leaves.

Both experienced growers and newcomers might encounter unforeseen situations with these crops. Whether you’re cultivating your plants in coco coir, soil, or hydroponics, you’ll notice various blemishes on the cannabis leaves.

One of the most prevalent issues when it comes to cannabis cultivation is the appearance of yellow stains on the leaves. In this resource, you’ll discover everything you need to understand their source and how to keep yellow cannabis leaves from showing up!

 

Why do cannabis leaves turn yellow?

To understand how to address yellowing leaves on our marijuana plants, we need to first identify the potential causes. Some factors include:

pH Levels

One of the primary reasons for leaves turning yellow is the improper pH levels of the nutrient solution. When you’re growing in soil, aim to keep pH levels ideally between 6 and 7. If you’re using coco coir or hydroponics, you can let them range from 5.5 to 6.5. If you notice yellowing leaves, it may indicate a pH imbalance.

When pH levels are too low or too high, they can hinder the plant’s ability to absorb essential elements from the provided solution. This disruption can lead to a blockage in the uptake of both macro and micronutrients.

To address this issue, it’s advisable to utilize a pH meter and select cannabis fertilizers with a broader pH range, encompassing all the necessary microelements. Root washing and restarting fertilization with a more suitable solution for the growing medium can be beneficial. However, the key is to create the most optimal environment for the plants.

FERTILIZING WITH COFFEE GROUNDS: THE BENEFITS

Temperature and Humidity

Inappropriate temperature and humidity levels can also cause the leaves of your plants or strains to turn yellow. The ideal temperature range for growing cannabis is between 10-28°C (50-82.4°F).

To prevent yellowing due to temperature and humidity issues, you should adjust the temperature as needed. This may involve providing more light in the grow room or installing additional input-output fans in the grow tent. When growing outdoors, you can use structures to create shade or act as a greenhouse.

Incorrect Irrigation

This is another common issue. Overwatering or underwatering can also result in yellowing cannabis leaves. Some symptoms of improper irrigation include:

  • Plant drooping
  • Excessive watering causes edema disorder.
  • Thin and pale leaves due to insufficient watering.
  • Root rot caused by excessive watering: You can determine whether you’re dealing with excessive or insufficient irrigation by checking the moisture level of the substrate. To address this, simply adjust your watering, either by reducing it or providing more water to the plant, as needed.

TOP 5 CANNABIS CUPS IN THE WORLD

Fertilizer Management: lack of nutrients… or the opposite!

Inadequate nutrient levels can lead to nutritional deficiencies that disrupt cannabis growth, as they prevent the plants from carrying out their essential functions. On the other hand, over-fertilizing your plants can lead to nutrient burn and subsequent leaf yellowing. It’s important to remember that nitrogen, phosphorus, and potassium (NPK) are essential nutrients for plants.

Common nutrient-related problems include:

  • Nitrogen deficiency symptoms, start with yellowing leaf edges and then spread across the entire leaf. However, if you notice overly bright leaves during the growth stage, it may be a result of over-fertilization.
  • A lack of potassium, an essential mineral for photosynthesis and stomatal function, can cause your leaves to turn yellow when there’s a deficiency of this compound.

To avoid these issues, it’s crucial to manage nutrient levels and understand the benefits that nutrients offer to each plant.

Fungi

Fungal diseases and infections, such as septoria, can pose significant threats to your plants. To spot these issues, a simple leaf inspection is often sufficient, as pests tend to congregate on the leaves, potentially leading to yellowing. The septoria infection, in particular, can be harmful at any stage of the plant’s life.

To address these problems, you can use pesticides or introduce beneficial insects that combat pests without harming the plant. When dealing with septoria, it’s crucial to remove infected foliage and regularly clean your tools after each use.

HOW TO CLONE A CANNABIS PLANT? DISCOVER IT!

Tips for Preventing Cannabis Leaves from Turning Yellow:

Here are some useful tips:

  • Choose your cultivation method based on your strain’s resistance, whether you’re growing indoors or outdoors.
  • Adjust and fine-tune your irrigation practices.
  • Make sure your plants don’t get too much heat, and adjust your grow lights as needed
  • Keep an eye on temperature and humidity levels, aiming for a range of 15-29 °C (59-84.2 °F) during the daytime.
  • Avoid placing your plants on cold surfaces, as freezing roots can reduce cold resistance.
  • Provide the appropriate nutrients to your plants.
  • Check your cannabis leaves daily to spot any signs of yellowing. If you detect an issue, investigate possible nutrient deficiencies or excesses.
  • In the case of a deficiency, provide the necessary substance to the plant. If there’s an excess, perform a root wash and temporarily discontinue the use of fertilizers. When you resume fertilization, adhere to a proper schedule.

It’s worth noting that yellow leaves are a normal occurrence in cannabis plants during the late flowering stage, as they naturally shed older leaves to conserve energy. The same applies when conducting a root wash. Therefore, it’s important to consider all the factors mentioned above to prevent these problems!

CATEGORIES

RECENT POSTS

RECENT POSTS

HOW TO GET OVER A BREAKUP: SOME TIPS TO HELP YOU

To learn how to overcome a romantic breakup, you must keep in mind that although it is a difficult task to achieve, the truth is that you can always move forward. Human resilience will help you overcome any adversity. The breakup of a couple is a painful experience, an overwhelming situation that affects you physically, […]

BAD COUPLE TATTOOS: HORRIBLE BUT FUNNY!

Obtaining a tattoo on the body is a desire that nearly everyone wishes to accomplish in their lifetime. Making mistakes is a natural part of life, yet certain individuals have unfortunately selected ill-advised tattoos that come with lasting consequences. These couples have selected mismatched tattoos that won’t simply fade away within a week. Take a […]

ORBITING DATING, WHAT IS IT?

Just when you thought you were getting the hang of what ghosting was, or even the whole stalking thing, along comes another new term: orbiting. It seems like navigating relationships has become even trickier since social media stepped into the scene. New terms and behaviors keep popping up, ones we never had to deal with […]

GREENWASHING: WHAT IS IT AND HOW TO RECOGNIZE IT?

Every day, people are becoming increasingly aware of their role in society and the need to protect and care for the environment. It’s a conscious and radical shift that allows no delays or hesitations. This has led some companies, whose economic activities affect the environment and health, to significantly reduce their consumption levels and therefore […]

WHY IS MY PHONE GETTING HOT? HOW TO AVOID IT

All phones can experience occasional heat buildup, which becomes problematic when it reaches a level that causes discomfort or triggers unusual behavior. Fortunately, there are simple measures you can take to prevent your phone from overheating. Why does my phone heat up? Typically, phone overheating occurs due to factors such as excessive usage, a stressed […]

TAKE YOUR ADRENALINE TO THE MAXIMUM WITH POWERBOCKING

Powerbocking, also referred to as “power-rizing,” “blade running,” and “jump stilting,” is a sport where athletes utilize specialized leg attachments called jumping stilts. These jumping stilts are curved in form and equipped with springs, enabling users to achieve remarkable heights when jumping.  They are known to enhance an athlete’s performance across various activities, with claims […]

UNDERWATER MUSEUM: ART UNDERWATER IN CANCUN

If you love exploring the underwater world, this museum is for you. The Underwater Museum of Art (Museo Subacuático de Arte – MUSA) in Cancun, Mexico, is the perfect destination for all enthusiasts of the underwater world.  This incredible underwater museum features a wide variety of artistic installations and sculptures designed for you to enjoy […]

MOUNT RAINIER NATIONAL PARK: A PLACE YOU SHOULD KNOW

Mount Rainier became a national park because people with different views worked together. They wanted to save its beautiful scenery from being lost forever. Over six years, several businessmen, scientists, educators, mountaineers, and environmentalists united to advocate before Congress to protect Mount Rainier as a national park.  Their hard work paid off when President McKinley […]

ROCKVILLE FESTIVAL 2024 LINEUP, ARTISTS, AND MORE

In the vibrant realm of music, Welcome to Rockville has arisen as a beacon for rock and metal enthusiasts. This festival, which had its humble beginnings in Jacksonville, has evolved dramatically, leaving an indelible mark on the music scene. In this editorial journey, we will delve into the history of Welcome to Rockville, from its […]

DEADPOOL 3: THE FAVORITE ANTI-HERO RETURNS

The buzz surrounding the film is undeniable, and with Ryan Reynolds and Hugh Jackman returning as one of the most beloved X-Men, Wolverine, many rumors suggest that Deadpool 3 has every chance of becoming the biggest event in the Spider-Man Multiverse. Especially since it will be the only confirmed Marvel Studios film for 2024! What […]

WHAT IS BLACKWORK TATTOO?

Blackwork tattooing is a style that relies exclusively on black ink, favored by many tattoo artists who prioritize its use over other colors. Currently, there’s a significant demand for this style, reflecting its popularity among both artists and clients! Executing blackwork tattoos poses a challenge due to its versatility, encompassing various techniques and design approaches. […]

OSCARS 2024: THE WINNERS OF THE 96TH EDITION

The Oscars might not be breaking any viewership records in recent years. The numbers are dropping, and the competition is getting tougher. Audiences are tuning into streaming platforms or exploring other forms of entertainment like video games, the new big thing in the leisure industry.  The Oscars persist and will continue to be a spectacle […]

CANNABIS CAKE: SPACE CAKE RECIPE

Space cakes truly live up to their name. It’s like having your favorite cake but with a magical touch of herb! Almost every coffee shop in Amsterdam has some type of space cake on their menu, and more people are daring to try them to experience a discreet and delicious edible high. The good news […]

Newsletters

Last Minute new From Roll & Feel Sign-up

Stay in touch with our latest
news