There are 3-4 Windwheel Asters each location, and you can get around 30 in total.
You can get about 14 Windwheel Asters.
All Liyue Luxurious Chest Locations
Genshin Element Guide
Mondstadt Region Puzzles, Secrets, and Hidden Chests
Retracing Bolide
Lucky Dog
Mondstadt Side Quests
Violetgrass Farming Map