3.6 min. read: With the cloud of cannabis prohibition lifting, cannabis growers are exploring a whole new arena of techniques to preserve cultivars and maximize yields. One of these is tissue culture. Also known as micropropagation, tissue culture is the growth of tissues or cells in an artificial medium separate from the parent organism. This is typically facilitated via the use of a liquid, semi-solid, or solid growth media such as broth or agar. The technique has long been used in farming and horticulture but is just now being applied to cannabis.