Cloning is one of the ways to grow marijuana plants and it has become quite popular among growers. The process entails taking a cutting from a healthy mother plant, exposing the cutting to some rooting hormone and then leaving it in a moist medium or glass of water. Once roots emerge from the cutting, this marks the end of the cloning process and it may take between five and twenty one days. A well developed clone is then transplanted to its final growth medium and it continues to grow into a ...