As I'm still on that hot pressed paper journey, and confess to following Julie Collins wonderful book. It's the way I learn, the only way I learned every single thing about painting... BOOKS !
Books and practice, you can read all the books you want but if you don't put it into practice then it will stay right in the book.
I know an artist (online) who grows fuchsia plants, so when I saw this it was a 'must do' . . BJ