Black Jack is an excellent Cannabis Seed produced by Nirvana Seeds which is currently only available as a Feminized Seed Choice. This Cannabis Seed Strain is made available by Nirvana Seeds and is just one of the massive variety of over 2,400 Great Cannabis Seeds available as a Pick and Mix Single Cannabis Seed option this May in Stealthy Seeds! Black Jack begins flowering on a 12/12 Photoperiod and the mixture of Indica and Sativa in this Cannabis Strain can best be described as Sativa Dominant. The producer of this Great Cannabis Seed has listed the preferred environment as Indoor Environments. The strength of Black Jack cannot be reliably determined at this time as the information has not been released by the breeder and the information that is available from the producer of this fine Cannabis Seed lists it as being an average yielder. Nirvana Seeds have not yet released reliable information as to the indoor height for this strain and while it is not always possible to easily characterise the Genetics of a Cannabis Seed with simple tags, the Cannabis Seed Keywords which would best accompany Black Jack are: Hybrid;Asia-Central;Asia-South East;Central America and Caribbean;North American and Canadian;South American;Medicinal Strains. Nirvana Seeds have their entire selection of Quality Cannabis Seeds available for purchase at Steathy Seeds this May! Black Jack has been described by the breeder as having a Medium (56 to 90 days) Indoor Flowering Time and no Optimal Outdoor Harvest Time information is available. One of the most notable things about Black Jack from Nirvana Seeds is its wonderful odor and taste that can best be described as Citrus;Earthy in its flavour and smell!