Green Haze by A.C.E. Seeds is another version of the sativa Oldtimers Haze and takes after her Thai and South Indian ancestry. Like its Haze parentage, Green Haze is also upbeat andverging on psychedelic for some. This sativa plant is really for someone who loves to grow as it can take to flower. Green Haze grows tall and is a lookalike of Purple Haze except for, of course, the color. The flowers will have a smell. Green Haze has a high potency and is good for tackling pain, though it may inspire some serious snacking.