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How can you tell if a plant needs watering?

Bholenat

Active member
Yep, more information would be helpful to answer your question.

In general, people tend to overwater their plants. Cannabis is capable of dealing with a lot of water, but they don't like to put their roots into a swamp...
If I was watering by hand, I'd prefer to water them "shortly" (which is a rather vague definition) before you are able to notice that osmotic pressure is declinging. From there on you can move in the "goldy lock zone" of watering. I say that because I like to keep my soil not too wet so I don't introduce gnats or other pest.
You shouldn't cause water shortage or intense wilting, respectively.

Hope that helps!
 

doublezero

Active member
As above, some more information needed :)

In general and in my experience the position and look of the leaves is the best indicator.
The best is to watch the plant, often, so that you get a feeling. Container size, grow medium and variety of your plant play a role.

The leaves drop shortly after you watered the plant -> too much water.
You did not water for a while and the leaves are dropping -> plant is thirsty.

Also, dropping leaves due to overwatering look different than due to having not enough water. At least that is
what I observed. When overwatered the leaves drop, but they also curve/bow (I don't know what the correct word would be). When the plant is thirsty the leaves drop, but they do not change their structure.

I hope that makes any sense to you :D
 

doublezero

Active member
Right :D
I try to avoid being surprised by a much lighter container by acting a little bit earlier. Something that with the current temperatures has a certain error rate ;)
 

Piecho

Well-known member
Premium user
Matter of practice, you will get it with the experience and time.
I'm growing I'm Coco, so no worries about overwatering. Usually these days I'm feeding 3 times a day, small amounts. With one overflow every 1-2 days. Not sure about tactics for soil tbh.
 

doublezero

Active member
Eventually it may be the more sophisticated way, that is using hygrometers and automatic watering. I guess a constant moisture level is something to aim at and being able to control this. Nowadays this would be not too complicated and as an old IT guy I will think about it.

But I like the time with plant watering it, also I like spray watering. I think the distribution is more even doing this and I have even more time with the ladies :D
 
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