THC Bomb is the signature hybrid breed from Bomb Seeds, and as its name indicates, it was developed to have thc levels–up of 20%! This bomb won’t knock you off your feet, though, as a result of its mix that was hybrid that was well-rounded. thc Bomb can be grown indoors and out. Plants are shorter but hardy and should grow to produce large yields. flowers will be big and have an even covering of bright orange hairs.