no no no. cannibis growth is regulated by the light cycle. so if your days short as in winter then as soon as they break ground it will trigger a flowering cycle. they may grow for a minute but not long. and then if they do miraculasly survive what will he harvest be about a gram? the only way to grow in the winter is to move someplace like australia. but then you aint growin in the winter are you? cannibus is an anual not a perinial in other words the plant dies in the winter instead of entering a dormant stage.