Taking this alone ? I do not suggest!
You will find communities and can join in proper ceremonies.
I put a few links in this article but I never wrote about my journeys I took in Bali with Diego, an amazing shaman from Peru where I felt protected and safe.
https://m.youtube.com/watch?v=SI0TE6guCe0
https://steemit.com/powerofplants/@mammasitta/is-it-really-possible-to-communicate-with-plants