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Overwatering cannabis | How to solve it

Cannabis plants can present many issues during their growing process, especially if you’re a beginner and don’t have much experience growing cannabis. One of the most common issues when it comes to new growers is overwatering cannabis plants, which can cause root rot, which is devastating for cannabis plants. To solve accidental overwatering, you’ll need to work fast. People tend to assume that watering is simple, but it’s something that should be done with caution when it comes to cannabis plants. In this particular post, we’re going to attempt to solve overwatering in cannabis plants.

Overwatering cannabis—what can happen?

Overwatering cannabis plants that still haven’t had their growth spurt can be quite a big issue. Water can build up in the bottom of the flowerpot and end up rotting the roots; this can kill off small plants or cause them to grow super short and produce lower yields due to their size. Plus, if this happens indoors, your other plants may end up shading the smaller plant, killing it off entirely.

One of the most important parts of cannabis plants is their roots; they essentially hold your plants down while also absorbing nutrients and water during each stage and absorbing oxygen during the process. Excessive watering can drown roots, causing nutrient blockages and serious issues with your plants.

Overwatering symptoms

You’ll need to pay close attention to your plant in order to spot overwatering issues. One of the biggest factors is how they act after being watered; if they begin to droop, you may have a sign of root obstruction. Another symptom, one of the clearest ones, is discoloration on your plant’s leaves, which can start turning a light yellow color. This happens when water excess is a persistent issue, which can cause issues such as a dramatic decrease in yield (if you manage to recover the plant) and can even be fatal if left untreated for long enough.

In order to avoid overwatering, you’ll need to start off using a small amount of water, around a glass’s worth. You can begin increasing the dose once it’s big enough to need two glasses a day; this can take around a week. This allows for your plants to grow out longer roots faster, which causes larger plants that can absorb more water and nutrients.

How to water cannabis plants

How to fix overwatering cannabis plants

Enzymes

When your plants have grown large enough, you shouldn’t have to worry about overwatering, as long as it doesn’t happen every day. If you’ve overwatered, the first thing you need to do is wait a couple of days until it’s fully dry. The water tends to pool at the bottom of the flowerpot, which is one of the main causes of root rot.

The next time you water your plants, you’ll need to start using enzymes so that the root system grows strong and sturdy and can recover from any damage. Enzymes are catalysts that essentially force various chemical processes in your plants to grow even faster. When it comes to cannabis plants, enzymes are used to get rid of dead roots much faster, turning them into sugars that the living roots can absorb while also making space for new, healthy roots. To this end, check out Pure Zym by Plagron, an incredibly complex enzymatic formula.

Pure Zym Plagron

Substrates

While it may seem silly, choosing the right substrate is incredibly important. Your plant is going to live in the soil you choose for it, so choosing correctly is vital. There are many different types to choose from, all of which have plenty of different qualities, and each one treats water differently.

Here at GB The Green Brand we recommend using substrates that don’t hold water for too long if you tend to have issues with overwatering. We recommend choosing a substrate that contains perlite as well as natural peat combinations, which are great for cannabis, allowing plants to absorb nutrients and water to grow successfully. The Canna Terra Professional substrate would be an excellent choice to this extent.

Canna Terra Professional

If fixed fast enough, you shouldn’t notice much of a difference in yield, although it’s a stressful process and your plant may lose a couple of days’ growth. However, if it happens regularly, you’ll notice in the quality of your final yield. If you manage to overwater and rot your roots various times, they may not be able to regrow properly, and your plants may end up with fungi and rot issues. However, with our tips and tricks, this shouldn’t happen.

Once you’ve sorted the issue, you can continue with normal watering and feeding schedules, making sure that history doesn’t repeat itself. If you use enzymes during the entire process, your plants’ roots will be much healthier, and it will be much harder for them to rot. One of the reasons roots tend to get soaked and end up in a puddle is that some growers simply throw their water in all at once instead of pouring and letting it seep down.

Avoid overwatering cannabis by watering efficiently

Keep in mind that the amount of water that your plant can absorb may vary due to different reasons: the relative humidity, the temperature, how long since you watered, etc. A plant that drank a liter of water a week ago may only need half a liter the next week, so you need to play it a bit like an ear.

How to save overwatered cannabis

The most accurate way to water is to do it in stages, allowing it to be soaked up by the soil until it begins to come out the bottom of the flower pot. From that moment onwards, any more water is probably too much. Keep in mind that this isn’t an exact science, and you may make mistakes every now and then, so we recommend keeping a close eye on the process; experience is the best way to learn. We also recommend taking extreme care with smaller plants, as overwatering can cause them to stop growing entirely; water calmly and carefully.

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Erik Collado Vidal

Con más de 10 años de experiencia en la industria del cannabis, sus experiencias y aprendizaje son la base del éxito de GB The Green Brand.

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