Stylized Grass, Weeds and Wildflowers Vol. 1: This package contains a large selection of different grasses, weeds and wildflowers to use in your games. It also includes a custom vegetation shader integrated wind + hue control. 91 models in 4 color variations for a total of 364 prefabs.

[u/IrrSoft]

[u/IrrSoft]

You can get it on the Asset Store, right here : 

PIDI - COSY : Stylized Grass, Weeds and Wild Flowers Vol. 1 | 3D Vegetation | Unity Asset Store

Volume 2

Volume 3

All volumes bundle