Heirloom OG, aka High Octane OG or Nigel’s OG, is a bit of a mystery. We know it’s a rare pure indica that may be the Heirloom cut of OG Kush, which is Chem Dog crossed with a mix of Lemon Thai and Hindu Kush from Pakistan.  

The top reported aromas of Heirloom OG are citrus, pungent earth, and herbs. And it is said to taste like sour lemon, spices, and pine.