Green Crack Extreme is a sativa cannabis strain that packs a stronger punch than its Green Crack sister. Buds are rock-hard, vibrant green and coated with frosty trichomes. Expect a candy-sweet aroma and flavor from Green Crack Extreme, undercut with earthy notes. Due to its energizing effects, Green Crack Extreme is definitely a strain best reserved for daytime. This sativa may help alleviate stress, fatigue and depression while boosting creativity.