How big do cannabis plants grow up?

This depends on the strain of your choice, the growing method, and… Well, how big you allow your cannabis plants to grow (especially if you are growing indoors). On average cannabis plants can be from ~40cm to ~200cm tall, but they can grow much taller in perfect conditions if you want them to.

If you want to grow small plants, you should consider growing an autoflowering plant, if you are aiming at bigger yields per plant (so bigger plants) – feminized cannabis plants are the way to go.



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