Updated: July 13, 2023

Watering is one of the most important aspects of growing healthy marijuana plants. Proper watering ensures that the plants receive the necessary nutrients and moisture to thrive. However, it can be challenging to determine the perfect timing for watering, especially for novice growers. Overwatering or underwatering can lead to various issues, such as root rot or nutrient deficiencies. Therefore, it is crucial to understand how to tell if a marijuana plant needs watering. In this article, we will explore several signs that indicate when it’s time to water your cannabis plants.

1. Soil Moisture Level

Checking the moisture level of the soil is one of the simplest ways to determine if your marijuana plant needs watering. Stick your finger about an inch deep into the soil near the base of the plant. If the soil feels dry at this depth, it’s an indication that the plant requires watering. On the other hand, if the soil feels moist, it means that the plant has enough water for now.

2. Weight of the Pot

Another method to assess whether a marijuana plant needs watering is by lifting its pot. When the soil is dry, the pot will feel significantly lighter compared to when it is fully hydrated. This technique becomes more effective when you have a baseline weight for comparison. Lift the pot when you know it is fully watered and note its weight. Subsequently, compare this weight with how heavy it feels in between waterings. If it feels noticeably lighter, it’s time to water your plant.

3. Leaf Drooping

Leaf drooping is a common indicator that a marijuana plant requires watering. When plants lack sufficient water, they are unable to maintain turgidity in their leaves, resulting in wilted or droopy foliage. However, it’s important to note that drooping leaves can also signify overwatering or other issues, so it’s essential to consider this sign in conjunction with other indicators.

4. Color Change

The color of the marijuana plant’s leaves can provide valuable insights into its watering needs. Overly dry plants often exhibit yellowing or browning of their leaves, indicating that they are not receiving enough moisture. Conversely, overwatered plants may display leaves that turn a pale green color due to nutrient leaching. Monitoring the color of the leaves can help you determine whether your marijuana plant is receiving the appropriate amount of water.

5. Slow Growth

If you notice that your marijuana plant’s growth has significantly slowed down, it could be an indication that it needs more water. Insufficient water supply can hinder nutrient uptake by the roots, leading to stunted growth. Monitoring the growth rate of your plants can help you identify if they are being adequately hydrated.

6. Dry Surface and Cracking Soil

Another visual cue that suggests a marijuana plant requires watering is a dry surface and cracking soil. When the top layer of soil is dry and begins to crack, it indicates that the plant’s root zone is in need of moisture. This occurs because water evaporates from the surface faster than it is absorbed by the roots. Therefore, if you observe a dry and cracked surface, it’s time to water your marijuana plant.

7. Watering Schedule

Establishing a regular watering schedule can help ensure consistent hydration for your marijuana plants. Depending on various factors such as climate, pot size, and stage of growth, the frequency of watering may vary. As a general rule, it is recommended to water your cannabis plants when the top inch of soil feels dry. However, it’s important to adapt this schedule based on individual plant needs and environmental conditions.

Conclusion

Watering your marijuana plants properly is crucial for their overall health and productivity. By paying attention to indicators such as soil moisture level, pot weight, leaf drooping, color change, slow growth, dry surface, and cracking soil, you can determine when it’s time to water your plants. Remember that overwatering can be just as harmful as underwatering, so it’s important to strike the right balance. Regular monitoring and adjusting your watering schedule accordingly will ensure that your marijuana plants thrive and produce bountiful yields.