No Grass in Objects has been updated, you can now generate grass pre-cache for all versions of Skyrim (including VR):
https://www.nexusmods.com/skyrimspecialedition/mods/42161
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This mod is for advanced users who are familiar with using xLODGen, TexGen, & DynDOLOD.
FYI I have not tested this.
This was created with only Skyrim Landscape and Water Fixes active. If you have mods that add things to, and/or change the landscape, you may notice discrepancies, like floating grass.
Installation:
ModOrganizer: Install as any other mod. It will complain that "The content of <data> does not look valid", ignore that, and click "Ignore" on the next pop-up as well.
Vortex: No idea, sorry.
Once installed you will then run xLOD, TexGen, and DynDOLOD.
Use Grass Cache Helper NG
Recommended TerrainManager settings:
[TerrainManager]
fBlockLevel0Distance=53248
fBlockLevel1Distance=159744
fBlockMaximumDistance=331776
fSplitDistanceMult=1.000
Refer to the STEP guide for basic instructions
Pay attention to the screenshots on the STEP guide.
This may be helpful: Grass LOD matching colour seam guide
You can find other grass precaches here