Botania - mod adds the world of magic is based on flowers and plants. After installing the mod the first thing you should do is to crafted guide to fashion (crafteda of books and Rostock) where you will find a detailed description as well as all the crafting recipes. Wiki Botania
Some mods adds powerful magic items. Others add complex technique. And Botania adds just flowers, but different flowers. Flowers that heal you. Flowers that eat animals and ...