years. As long as you keep them in vegitative state. Cannabis can live as long as 12 years in perpetual light although in it's later years it will begin to decline. It does not keep growing either. It's height is set by the plants genetic code.
Trichome Creator Reviewed by Trichome Creator on . how long can you keep mothers for i have seen that some people have mother plants up to two tears old. can you keep them indefinately or do they start to decline Rating: 5