CH9 cannabis seeds breeder started growing and developing cannabis strains in 1985. In 2000 they moved to the Mendocino & Albion area, in northern California, north of San Francisco. Then back in Europe in 2004. After over 25 years of growing experience CH9 Female Seeds has mastered the process of developing quality female cannabis plants. With their last crosses, they just produced some female pollen and pollinated other varieties to create some original cross, who do not show so many phenotypes indeed. They could stabilized the female gender of each plants. Some were just crossed, some twice backcrossed, cubed, "Cubing involves a certain amount of random mating and is used to create desirable Female or mothers plants,Cubing is a way to generate mother plants in small populations. "Hundred were tested under heavy stress, half burned, the plants never showed a hermaphrodite tendency, not even a single one. Pollination appears naturally, we do not use natural hermaphrodite plant. While cubing we well kept a lot of hybrid vigor to the new crosses. Cubing and creating new crosses help to decrease repeatability & resistance we built while smoking. CH9's fast flowering cannabis can be harvested easily within 49 to 65 days only. The popular strains of CH9 female seeds are Aroma, CH9 seeds Jack 33, Hash Girl, Super Haze Green Bud, Vintage 2006, Tangerine and Hashplant. CH9 seeds are suited for medical cannabis patients as their strains contain high levels of cannabidiol (A.K.A CBD rich strains) and commercial growers, and they breed for flavor, THC resin production and healing.