Blackberry OG is an indica strain also know as Blackberry OG.The strain is incredibly potent, especially considering its 20% THC content offering an amazing high. What is really amazing about Blackberry OG is that you will require very little of it to get the high you want. However, smoking too much of the strain will make you sleep in no time. This explains why it is highly preferred by patients suffering from pain and insomnia. However, since it is an indica dominant strain, it is better for night time use. Blackberry OGhas a lot of medical applications and is prescribed to patients who are unable to cope with nervousness, anxiety and stress.