This is a paid asset, but now you can download Shader Vegetation Pro Free.
Detail this asset from Unity Asset Store: Original Link
Shader Vegetation v3.0 (Latest version)
Shader Vegetation Pro v2.0
Double sided PBR shader vegetation, use it for your plants made in 3d editors. Set up the wind as you want and control it with one slider. Use the Ligth Map for beautiful blackout. Add Color Map for a variety of trees. You can use one material for all plants, this will reduce the Draw Calls. Made in Amplify Shader, you can add or remove the functions you need.There is a mobile version of the shader.
Double sided PBR shader vegetation, use it for your plants made in 3d editors. Set up the wind as you want and control it with one slider. Use the Ligth Map for beautiful blackout. Add Color Map for a variety of trees. You can use one material for all plants, this will reduce the Draw Calls. Made in Amplify Shader, you can add or remove the functions you need.There is a mobile version of the shader.