Banyan pattern - I had one made for me by a seamstress who would not use this very simple pattern. She decided it was a kimono (which should be equally simple) and created a lot of work for herself. But the outcome is beautiful.
Time, Place Occasion (TPO) Charts for wearing Kimono. Immortal Geisha has a good general chart, a good thread topic and a highly detailed chart. “Where do you want to go wearing your Kimono?” sourced from Shimazakura’s website.