Sour Petroleum is an excellent Cannabis Seed produced by Dr Underground which is currently only available as a Feminized Seed Choice. This Cannabis Seed Strain is made available by Dr Underground 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! Sour Petroleum begins flowering on a 12/12 Photoperiod and there is unfortunately no reliable information available at this time as to this Cannabis Strain's Indica / Sativa Profile. The producer of this Great Cannabis Seed has listed the preferred environment as Indoor;Outdoor Environments. The strength of Sour Petroleum 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. Dr Underground 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 Sour Petroleum are: Hybrid;North American and Canadian. Dr Underground have their entire selection of Quality Cannabis Seeds available for purchase at Steathy Seeds this May! Sour Petroleum 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.