Hello,
It is my first report, so i please for little tolerance.

Problem:
Gardens don't generate or dont be placed If biom from any mod have different grass block, for example "Silty Grass block". And same with sands

May help:
I looked in code on github and i came to problem whit harcoded grass and dirt, but some parts "load" data from dictionary.
Can change how code select place to spawn please? for example: is.biom.right? || is.block.right? where in is.block.right value will by forge:oreDictionary (grass).

I hope it makes sense and I don't write it here for nothing.
Regards Unit72101.