UPDATE:

This pack contains 31 vegetable prefabs. Normal, spec, opacity and height maps are included in this pack, 

Unity version is updated to 2019.4.

All models SHARE only 3 atlased textures to save texture memory and drawcalls. Models include transparency/opacity data in the alpha channel of the diffuse texture. To display them right you need an alpha-test or alpha-blending material and 2-sided rendering of the foliage.

116 MB Download! (7ZIP file) This pack contains 67 models (including all LOD stages), 23 unique models.