Genshin Impact : Wanderer’s Blooming Flower

To obtain Wanderer's Blooming Flowers, you'll need to find and destroy Hillichurl Rouges at level 60 or above. The higher the level of the Hillichurl Rouges you destroy, the more items they will drop. You can also trade in Starglitter for Wanderer's Blooming Flowers. It costs 2 Starglitter for one Wanderer's Blooming Flower on the Stardust Exchange. Hillichurl Rouges can be found around the Realm of Farakhkert. Refer to the image below for exact locations: