Rich Grass?

[AefRal]

So I'm playing Liminal Industries, got these Kegs from Brewin' and Chewin' making a bunch of organic compost.
I made too much and had the thought: It would be nice if the Rich Soil could grow grass.
Like how Dirt block has its Grass block counterpart.
Maybe when placed next to basic grass blocks, the grass could spread to it?
Or have grass seed need to be used on the Rich Soil.
Could have it randomly, and slowly sprout grass, ferns, or flowers.