How long does it take weed to rot?

Answer 1

Decomposition is an incredibly complex process that can be influenced by a number of factors such as temperature etc, due to this, complete decomposition can take anything from weeks to years.

Answer 2

depends where stored, if stored in a damp location it can start to rot immediatly.. PH levels. and Growing rooms need to be the right temerature, and the air cleaned regular or rot will start while growing