How to water cannabis correctly in 23 points

Important points for watering marijuana plants

There is no more important factor in growing than watering. Just for those of you who are sometimes struggling with the right water supply or have even encountered a watering problem, we have 23 must-know hints and tips.

watering marijuana plants in a bowl under a pot

23 tips to avoid watering problems

  1. Seeds only need moisture. Excessive watering will prevent the supply of oxygen, which they also need. Germination outside the soil is better.
  2. The amount and intensity of watering depends on the size of the cannabis plant and also the amount of light for the marijuana plants
  3. If a plant is smaller than the others or has smaller leaves, it does not mean that it needs more water!
  4. Care must be taken when watering seedlings so that the little cannabis plant does not sink to the ground under the weight of the water. To keep the plant upright, it is advisable to use a spray bottle. 
  5. There is a myth that the more water we offer plants, the faster they will grow. But it’s not true
  6. The most common problem among growers and the cause of cannabis plant mortality is overwatering. The roots don’t get oxygen and the marijuana plant dies.
  7. The soil must be neither too dry nor too wet. When the surface is pressed with the fingers, water must not splash out onto the surface.
  8. Plants benefit from watering in the early morning rather than in the afternoon. 
  9. Use only room temperature water for watering. Too cold water will shock the root system. 
  10. Higher amounts of chlorine in the watering solution lead to increased substrate acidity. This changes the pH of the soil, which can lead to calcium deficiency, for example. 
  11. If the water is contaminated with a high amount of chemicals, it is necessary to leave it in an open container for a few days in the air. 
  12. Distilled water is suitable if fertilisers (micronutrients) are added in the right proportion. Boiling water from the mains is completely unnecessary.
  13. A sign of good watering is when the top 5 cm of the substrate is slightly moist, but the plant still has moist in the pot underneath.
  14. A symptom of overwatering cannabis plants can be wilting and leafs loss starting from the bottom of the plant.
  15. It is always better to use a sprayer or sprinkler than a stream of water.
  16. It is better to water the plant directly to the roots and let the excess water drain out, rather than letting the roots “suck” from the bowl under the pot.  
  17. Limiting watering during flowering has a positive impact on the plant’s potency. During flowering, water as soon as the leaves start to show a lack of moisture, rather than watering regularly.
  18. Check the pH before watering as much as you can. Poor water pH can have a long-term adverse effect on the overall soil pH and thus prevent nutrient supply to the plant.
  19. Although it is a very adaptable plant, it prefers the most regular watering cycle.
  20. Due to the different growth rates, each cannabis plant may have a different water requirement. Therefore, water plants individually and monitor the soil and plant signals like wilting
  21. Rainwater often contains higher levels of nitrogen, making it an excellent source of watering, especially for indoor growing, but pay attention to acidity.
  22. The marijuana plant likes plenty of watering. So don’t be afraid to water sufficiently ( You need good drainage, to allow excess water to drain away).
  23. Indoor cannabis plants do not experience rain. The rain affect your plant positively at the beginning of the growth phase. You can at least partially compensate for this by spraying the plant or using a humidifier. However, she does not like this simulation in the flowering phase.

Published by Peca Sarm


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