There loads of things you have listed that I find very interesting but the one the tickles my fancy most are Ghost Peppers and Rabbit Tobacco. As regards the Dwarf Pawpaw, I have done some post about them as you can see:

https://steemit.com/actifit/@ketcom/actifit-ketcom-20181217t204646140z

https://steemit.com/life/@ketcom/dwarf-pawpaw-tree-is-surviving

Thanks for your support.