It could be harsh for a number of reasons.

Very resinous strains tend to need extra curing to combat the harshness, it may have not been flushed well enough, or it may have no been cured properly.
LIP Reviewed by LIP on . Harsh Smoke I'm just wondering the stuff I picked up is a little stemmy, good shit never the less. Although my main complaint is that when I do end up burning this in my grav I get a painful hit that I'm not used to experinces. Is there anything that one can say about some weed having a harsher smoke than another strain? Rating: 5