Is possible to add culling on collision for procedural foliage?

[Gen_X]

Is possible to add culling on collision for procedural foliage? or other way to reduce body collision at distance for procedural foliage?
I made a landscape with many vegetation, It require the foliage collision in order to get information on trace line, but the collision is spread along all the procedural foliage, consuming alot computing.

https://youtu.be/aPSYs-EY8vA

[Gen_X]

I found the solution here but dont works well:

Set LOD Collision

collision are still there on other lods diferent from lod 0, there are still some collision random