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How Often Do you Water Marijuana Seeds?


When you chose to plant your marijuana seeds in soil or a different kind of growing medium, it is kind of a rule of thumb to always water them when you notice that it’s getting dry. It is not advisable to wait for the growing medium to completely dry out because this will dehydrate your plants and will compromise their ability to absorb nutrients and grow.

How much water you pour on your plants and how often you should do it depends on several factors. These factors include the size of the marijuana plant, how big your growing pots are, if it is setup in a canopy, the depth of your plants’ roots, the humidity and temperature levels they are exposed to and the stage of life your plants are in. Here are several things you could consider when it comes to how much and how often you should water your plants:

  • The bigger the plant, the more water it needs.
  • Large growing pots need to be watered less frequently.
  • When you live in a humid area, your plants need water more often.
  • When you live in a hot country, you need to pour in more water to your plants.
  • You need to adjust your watering practices depending on the season.
  • And towards the end of your plants’ life cycle, or towards harvest period, you will need to water less often.

The things listed above are good ones to remember so that you would be able to water your marijuana plants properly. However, there are also some issues you need to know for optimum watering practices.


While it may seem to be a good idea to water your plants as often as you can and as much as you can, it is a dangerous practice. Doing so will endanger your plants due to overwatering. Plants that are experiencing overwatering will also experience a lack in oxygen. And as we all know, oxygen is essential to your plants’ roots. The oxygen that the marijuana roots use usually come from the air packets in the growing medium. But if your roots and growing medium are drowned in water, they won’t have much to get the oxygen from.

Symptoms of overwatering may not always be obvious but you have to watch out for them. Overwatering does not cause any discoloration but causes drooping leaves and stunted growth. In order to avoid this, there is a simple rule of thumb that you should follow. You will know that you have used the proper amount of water to water your plants when only a fifth of the water your poured in comes out at the bottom.


Contrary to overwatering, underwatering happens when you give your marijuana plants too little water and water them too far apart. This has similar symptoms to overwatering wherein you will notice that the plants will grow very slowly and will start to wilt and eventually die. To avoid this, make sure to water your plants when you notice that the top layer of the soil or growing medium is already dry. You must not wait for the whole thing to dry out or you’ll be in big trouble.

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