Greenhouse-ca provides you with the best medicinal marijuana dispensary, best weed strains effects and quality discreet delivery. Although cannabis and hemp have been used over the years as a natural growing herb, its awareness as a drug in certain parts of the world have strained the relationship between it’s users on one hand and legal authorities on the other hand . Not withstanding, Cannabis essential oil is a very useful oil,and is widely regardless one of the most effective oils for dealing with certain illnesses. Cannabis essential oil is gotten steam distilling the flowers and upper leaves of cannabis plants using steam.