Reviving an Under-Watered Cannabis Plant: Tips and Tricks

One of the biggest concerns for any cannabis grower is maintaining the proper watering schedule for their plants. Under-watering can lead to wilting, yellowing leaves, and even death. However, reviving an under-watered cannabis plant can be a challenging task that requires a great deal of care and attention. If you’re facing this problem, you’re probably feeling overwhelmed and unsure of what to do next. Don’t worry, we’ve got you covered. In this article, we’ll guide you through step-by-step on how to revive an under-watered cannabis plant and offer tips on how to prevent under-watering in the future.

Signs of Under-Watering


Signs Of Under-Watering
As a cannabis grower, it is important to ensure your plants are always healthy and well-nourished. Unfortunately, sometimes we make mistakes and our plants suffer, such as under-watering. Understanding the signs of under-watering is crucial to revive your struggling cannabis plant. From wilting leaves to dry, crispy soil, these signs can be alarming, but don’t worry, we’ve got you covered. In this article, we will guide you through the steps to revive an under-watered cannabis plant and prevent under-watering mistakes in the future. So, let’s get started! Don’t forget to check out our detailed article on signs of under-watering if you need more information.

Wilting Leaves

One of the clearest signs that your cannabis plant is under-watered is wilting leaves. When your plant is not receiving enough water, it will conserve what it has by allowing its leaves to droop and wilt.

If you notice your cannabis plant’s leaves are wilting, it’s important to act quickly to prevent any further damage. The first thing you should do is to check the soil’s moisture level. Use your finger to dig a few centimeters into the soil. If it feels dry, it’s an indication that your plant is in need of water.

Wilting leaves can also be caused by other factors such as over-fertilization or pest problems. To identify the root of the problem, carefully inspect your plant’s leaves, stems, and soil to check for any signs of pests or disease.

Furthermore, wilting leaves are not always indicative of under-watering. Other factors such as extreme heat or direct sunlight can cause the leaves to wilt. It’s important to properly diagnose the issue before taking any action.

If you determine that under-watering is the cause of your cannabis plant’s wilting leaves, follow the steps outlined in the How to Revive an Under-Watered Cannabis Plant section of this article to nurse your plant back to health. Remember, consistent and proper watering is crucial to maintaining the overall health of your cannabis plant.

Yellowing and Browning Leaves

One of the signs of under-watering in your cannabis plant is yellowing and browning leaves. This happens because the plant is not getting enough water to stay healthy and maintain its metabolic processes, leading to the damage of its foliage.

When a cannabis plant is under-watered, it goes into a drought-stress mode and starts conserving water by limiting the transpiration process. The leaves will start to turn yellow and curl up, followed by the browning of leaf tips and edges. This is because the plant mobilizes nutrients from older leaves to keep the new growth vibrant and healthy, resulting in the yellowing of foliage.

If left unchecked, under-watering can cause permanent damage to your cannabis plant, and you may lose the plant entirely. That’s why early detection of yellowing and browning leaves is crucial for reviving your under-watered cannabis plant.

To revive your under-watered cannabis plant, you should take immediate action by providing it with enough water to rehydrate it properly.

Here are the steps to revive an under-watered cannabis plant:

  • Step 1: Water the Plant
  • Slowly pour water into the soil around the plant’s roots until it starts to drain out of the pot’s bottom. Do not overwater. Allow the plant to absorb the water for a few minutes, then add more if necessary. It’s essential to avoid watering the foliage since this can lead to fungal growth.

  • Step 2: Monitor the Plant
  • After watering, keep an eye on the plant’s gradual recovery process. Check the soil moisture level regularly and ensure it stays moist but not waterlogged.

  • Step 3: Adjust Your Watering Schedule
  • Under-watering may be due to a schedule problem. It’s crucial to water your cannabis plants properly by following a consistent watering schedule adjusted for your plant size and environmental factors.

However, reviving an under-watered cannabis plant is not the only solution. Prevention is key.

Here are some tips to prevent under-watering in your cannabis plant:

  • Set a Watering Schedule
  • Establish a routine for watering your cannabis plants, considering your local climate, growing environment, and plant size.

  • Choose the Right Soil
  • Use high-quality soil that can retain moisture, but also, it needs to be adequately aerated so that the plant roots can breathe.

  • Invest in a Water Meter
  • A water meter can help monitor soil moisture levels and indicate when watering is necessary

  • Observe Your Cannabis Plant
  • Keep an eye on the health of your cannabis plant and observe any changes in its growth, development, and behavior. This can help you detect under-watering issues early and take countermeasures accordingly.

Preventing under-watering in your cannabis plants is always better than trying to revive them. If you follow the tips mentioned above and make sure your cannabis plants get enough water, your plants will thrive and give you bountiful yields. For more information on properly watering cannabis plants and avoiding under-watering mistakes, you can check out our guide.

Dry, Crispy Soil

One of the signs of an under-watered cannabis plant is dry, crispy soil. When the soil is dry, it will lack the moisture that cannabis plants need to survive and thrive. This can be especially problematic for young seedlings and clones, which are more sensitive to changes in water availability.

To determine if your cannabis plant has dry soil, gently stick your finger into the soil up to your first knuckle. If the soil is dry and crumbles easily, it needs water. Another way to check is to lift the pot and feel how light it is. If it feels unusually light, it may indicate that the soil has become too dry.

Dry, crispy soil can lead to a variety of problems for your cannabis plant. For example, it can cause nutrient deficiencies, stunted growth, and ultimately, death. When the soil is too dry, it can also create an environment that is ripe for pests and diseases.

To prevent dry soil, it’s important to establish a consistent watering schedule and stick to it. This can help you prevent under-watering, as well as over-watering. Over-watering can be just as damaging for your cannabis plants as under-watering, so finding the right balance is key. You can learn more about properly watering cannabis plants in our article on how to properly water cannabis plants.

How to Revive an Under-Watered Cannabis Plant

How To Revive An Under-Watered Cannabis Plant
As a cannabis grower, it can be disheartening to see your beloved plant suffering from under-watering. If you’ve noticed the signs of wilting, yellowing leaves, and dry soil, it’s crucial to act quickly to revive your plant before it’s too late. But how exactly can you bring your under-watered cannabis plant back to life? In this section, we’ll go over the essential steps to revive your plant and get it back on track towards healthy growth.

Step 1: Water the Plant

Step 1: Watering the plant is the first and most important step to revive an under-watered cannabis plant. But, it’s not as simple as just pouring water on it. Here’s how to properly water your cannabis plant:

Amount of water Method of watering
Use enough water to thoroughly saturate the soil. Pour water slowly at the base of the plant, avoiding the leaves.
Allow the water to drain from the pot. Wait for the water to completely drain before returning the plant to its drainage saucer.
Check the soil moisture level. Use your finger or a water meter to check if the soil is moist 1-2 inches deep.

It’s important to note that over-watering can be just as harmful as under-watering. Stick to a regular watering schedule to avoid both of these issues.

Step 2: Monitor the Plant

Once you have watered your under-watered cannabis plant, it is essential to monitor it closely. This will allow you to gauge how well the plant is responding to the water and make necessary adjustments to your watering schedule.

One of the best ways to monitor your cannabis plant is by keeping track of the soil moisture level. You can do this by either using a soil moisture meter or sticking your finger about an inch into the soil. If the soil feels dry, it is time to water your plant. If the soil feels moist, you should hold off on watering for a day or two.

Another important factor to monitor is the plant’s overall health. Look for signs of improvement, such as new growth or a perkier appearance. However, if the plant continues to look unhealthy, it may be an indicator of a more significant problem that needs to be addressed.

Lastly, it’s crucial to be patient during the monitoring process. Reviving an under-watered cannabis plant takes time, and results may not be immediately visible. It’s important to continue monitoring your plant and making adjustments as needed.

To keep track of your plant’s progress, consider creating an html table with the following columns:

Date Soil Moisture Level Plant Growth/Health Adjustments Made
10/1/21 Dry Wilting leaves Watered plant
10/3/21 Moist Leaves perked up slightly Held off on watering, added a low-nitrogen nutrient
10/7/21 Moist New growth observed Continued monitoring, adjusted watering schedule to twice a week

By creating a table like this, you can easily track your plant’s progress and make adjustments accordingly. It is an essential step in reviving and maintaining the health of your under-watered cannabis plant.

Step 3: Adjust Your Watering Schedule

Once your underwatered cannabis plant has started to recover, it is important to adjust your watering schedule to prevent this from happening again in the future. Here are some tips for adjusting your watering schedule:

Tip Description
Check your soil daily Use your finger to test the moisture level of the soil. If the top 2 inches of soil feel dry to the touch, it is time to water.
Water thoroughly When watering, make sure to water thoroughly until water drains out of the bottom of the pot. This will help ensure that the entire root ball is being watered properly.
Use a watering schedule Establish a regular watering schedule based on the needs of your specific plant and environment. Stick to this schedule as closely as possible to prevent under-watering or over-watering.
Consider the temperature In hotter temperatures, plants will need more water to stay hydrated. Adjust your watering schedule accordingly during these times.
Use a moisture meter A moisture meter can help take the guesswork out of watering. Use it to test the soil moisture level and adjust your watering schedule accordingly.

Remember, adjusting your watering schedule and being consistent with your watering routine is key in preventing under-watering or over-watering. Pay attention to the specific needs of your cannabis plant and environment, and adjust accordingly.

Preventing Under-Watering

As a cannabis grower, you’re always looking for ways to keep your plants healthy and thriving. Under-watering can be a common issue that many growers face, leading to stunted growth and lower yields. Thankfully, there are several preventative measures you can take to prevent under-watering from occurring. By following these tips and tricks, you can ensure that your cannabis plants receive the proper hydration they need to flourish. Let’s explore some of the strategies you can implement to prevent under-watering in your cannabis garden.

Set a Watering Schedule

Creating a regular watering schedule is essential in preventing under-watering of cannabis plants. Here are some tips to help you set up an effective schedule:

  • Consider the Season: During the summer, plants tend to dry out faster, so you may need to water more frequently. In colder months, plants may need less water.
  • Check the Size of Your Container: The larger the container, the longer it will take for the soil to dry out, so adjust your watering accordingly.
  • Observe Your Plants: Different strains may require varying levels of water. Pay attention to the leaves and soil moisture to determine how much water your plant needs.
  • Watering Frequency: Generally, it’s recommended to water once a week. However, this may vary depending on environmental conditions and the stage of growth.
  • Watering Technique: It’s important to water deeply enough so that the roots absorb enough water. However, be careful not to overwater, as this can lead to other problems such as root rot.

By setting a regular watering schedule and following these guidelines, you can help prevent under-watering and create a healthy environment for your cannabis plants to thrive.

Choose the Right Soil

The type of soil you choose for your cannabis plant plays a crucial role in its growth and development. It is important to select the soil that suits the plant’s needs and provides all the necessary nutrients. Here are some factors to consider when choosing the right soil for your cannabis plant:

Factor Description
Texture Choose a soil with a loose texture to allow for proper water drainage and aeration. Soil that is too compact can lead to waterlogging and root rot.
pH level The pH level of the soil should be between 6.0 and 7.0, as cannabis plants require a slightly acidic soil for healthy growth. You can test the pH level with a soil testing kit.
Nutrient content The soil you choose should be rich in nutrients such as nitrogen, phosphorus, and potassium, as these are essential for the growth of your plant. Look for soil that contains organic matter such as compost or worm castings, which provides a slow release of nutrients for the plant.
Drainage Good drainage is essential to avoid waterlogging and root rot. Look for a soil that allows water to drain easily to prevent standing water.
Aeration A well-aerated soil provides oxygen to the roots and prevents root suffocation. Choose a soil that is loose and allows air to circulate around the roots.

Choosing the right soil for your cannabis plant is essential to its growth and overall health. Paying attention to factors such as texture, pH level, nutrient content, drainage, and aeration can help ensure your plant thrives. It is also a good idea to consider using organic soil amendments, such as compost or worm castings, to boost the nutrient content of the soil. By providing your cannabis plant with the right soil, you can help ensure a bountiful harvest.

Invest in a Water Meter

One effective way to prevent under-watering in your cannabis plant is to invest in a water meter. A water meter will allow you to accurately measure the moisture level of your soil and ensure that your plant is receiving the appropriate amount of water.

Why invest in a water meter?

Investing in a water meter is essential for maintaining the health of your cannabis plant. This tool helps you achieve accurate measurements of the soil moisture level, allowing you to monitor how much water your plant is receiving. Water meters come in a variety of types and prices, so it’s important to select a model that fits your budget and meets your needs.

Types of water meters

There are several types of water meters to choose from, each with their own pros and cons. Some of the most common types include:

  • Digital Water Meters: These are the most accurate and easiest to use. They usually have a probe that you can insert into the soil which will then give you a digital reading of the moisture level.
  • Tensiometers: These rely on a vacuum gauge to measure the tension in the soil caused by moisture. They are not as easy to use as Digital water meters.
  • Wick Water Meters: These use a wick that is buried in the soil, which is connected to a gauge that measures the amount of moisture being pulled through the wick. They require regular maintenance, but they are simple to use and reliable.

How to use a water meter

Using a water meter is quite simple. First, insert the probe or wick into the soil near the roots of the cannabis plant. Then, read the moisture gauge to determine the current moisture level of the soil. If the meter shows that the soil is too dry, it’s time to water the plant.


Investing in a water meter is an effective and easy way to prevent under-watering in your cannabis plant. With accurate readings, you can adjust your watering schedule accordingly and ensure that your plant receives the appropriate amount of moisture to thrive. Take time to select a meter that works for you, and you will be on your way to growing healthy, happy cannabis plants.

Observe Your Cannabis Plant

To prevent under-watering in your cannabis plants, observing them is crucial. This means regularly examining the leaves and the soil to ensure that your plant is receiving the proper amount of water. Here are some tips to guide you in observing your cannabis plant:

  • Touch the soil: Use your fingers to check the moisture level of the soil. Your cannabis plant needs moist soil, but not waterlogged soil. If the soil feels excessively dry to the touch, then it needs to be watered.
  • Examine the leaves: Look at the leaves of your cannabis plant for any signs of dehydration such as “crunchiness” or brittleness. Leaves of an under-watered cannabis plant may also appear dull and droopy. If the leaves aren’t “springing” back into place when you touch them, then they may need more water.
  • Observe the color: Check the leaves of your cannabis plant for discoloration, as dry conditions can cause the leaves to turn yellow and brown. If you see these discolorations, it could be an indicator that your plant is not receiving adequate hydration.
  • Keep track of the weather: The weather plays a large role in the moisture level of the soil. Monitor any drastic changes in weather patterns, such as heat waves or rain, as this will affect your watering schedule.

By observing your cannabis plant consistently, you can intervene promptly to prevent under-watering and ensure that your plant is healthy and happy.


In conclusion, proper watering is critical for the health and well-being of your cannabis plants. Under-watering your plants can cause significant stress and damage, but with the right care and attention, you can revive them and get them back on track.

Remember, the signs of under-watering like wilting and browning leaves, as well as dry and crispy soil, are easy to spot if you pay close attention to your plants. By addressing these issues promptly, you have a good chance of bringing your struggling plant back to life.

To revive an under-watered plant, it’s important to water it thoroughly and monitor it closely, adjusting your watering schedule as needed. It’s also crucial to take preventative measures to avoid under-watering in the first place, such as setting a watering schedule, choosing the right soil, investing in a water meter, and observing your plant’s behavior.

By following these steps and taking care of your plants, you can enjoy a healthy and abundant harvest of high-quality cannabis. So, be patient, take good care of your plants, and above all, enjoy the process of growing your own cannabis. Happy growing!

Frequently Asked Questions

Can an under-watered cannabis plant be saved?

Yes, an under-watered cannabis plant can be saved if the issue is addressed promptly and properly.

What causes under-watering of cannabis plants?

Under-watering of cannabis plants is usually caused by a lack of water supply or poor watering practices such as irregular watering schedules or applying too little water.

What are the signs of an under-watered cannabis plant?

The signs of an under-watered cannabis plant include wilting leaves, yellowing and browning leaves, and dry, crispy soil.

How do I water an under-watered cannabis plant?

You can water an under-watered cannabis plant by thoroughly saturating the soil with water until it drains out of the bottom of the pot. Repeat the process until the soil is evenly moist.

How often should I water my cannabis plants?

The frequency of watering your cannabis plants largely depends on environmental conditions and the type of soil used. However, frequent and light watering is generally not recommended. A better approach is to water deeply but less frequently.

What are the best types of soil for cannabis plants?

The best types of soil for cannabis plants are nutrient-rich soil mixes with good water retention properties, such as organic potting soil or soil with added perlite or vermiculite.

What is a water meter and how does it work?

A water meter is a device that measures the moisture levels of the soil. It works by inserting the probe into the soil and taking a reading of the moisture content. This device can help take the guesswork out of watering cannabis plants.

Why is observing my cannabis plant important?

Observing your cannabis plant is important as it can help you detect signs of under-watering or over-watering early enough to take corrective actions. Regular observation can also help you identify other issues, including nutrient deficiencies and pests.

Can over-watering cause similar symptoms as under-watering?

Yes, over-watering can cause similar symptoms as under-watering, such as wilting and yellowing leaves, as well as slow growth and root rot in severe cases.

How can I prevent under-watering of my cannabis plants?

To prevent under-watering of your cannabis plants, set a watering schedule, choose the right soil mix, invest in a water meter, and regularly observe your plants for any signs of stress.


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