Let s talk about autoflowering cannabis seeds, they are not your normal seed option. Let s compare. Perennial Weed Lives for two or more years; plants grow as long as conditions are favorable and frequently die back to soil level with hard frost; new growth emerges at the start of the growing season, originating from roots or stem remains; in warmer regions, some perennial weeds can be green year-round.  Source: [url=http://www.orangepi.org/orangepibbsen/forum.php?mod=viewthread&tid=148829]http://www.orangepi.org/orangepibbsen/forum.php?mod=viewthread&tid=148829[/url]