But..a bit like tobacco. If you look at how to dry and process your own tobacco....it is enough to put you off trying to grow and process your own.
I grew tobacco just to grow it...it is a very happy easy plant....
Our paid help was down and he asked if I was planning on smoking it.
I said no.. it's a pain in the arse to process...and he went Pfffft.....my father grows his own tobacco all the time.
You cut the whole plant down...hang it with airflow until it is dry..then stone in a dry place until you need it.
When you do...just crumble a leaf off.
Almost exactly what we do with cannabis.....

....and guess what...he was Spot on....
Growing and processing your own tobacco is no harder than growing your own cannabis....

..
Adding salt peter and 200 odd other chemicals is down to commercial preparation and preservation.