Requires the library mod Collective.
This mod is part of The Vanilla Experience.
Grass Seeds is a minimalistic mod which allows players to use normal seeds to transform dirt into grass by right clicking a dirt block, and the ability to place tall grass by right-clicking a grass block.
It's as easy as this:
Version 1.1 allows players to also seed grass and tall grass:
You may freely use this mod in any modpack, as long as the download remains hosted within the CurseForge ecosystem.
Serilum.com contains an overview and more information on all mods available.
Comments are disabled as I'm unable to keep track of all the separate pages on each mod.
For issues, ideas, suggestions or anything else there is the Github repo. Thanks!