*To create grass tiles inside a building, you can plant [[thatch]].
*Grass can spread to near by dirt tiles as fast as within 24 hours real life time. Grass can also spread from a tree tile to adjacent tiles.
*The following types of [[Resource nodes]] can spawn on Grass tiles: [[Wildflowers]], [[Umbellifers]], [[Nightshades]], [[Mints]], [[Roots and bulbs]], [[Vines]], [[Briar patch]], [[Thicket]], [[Wild grasses]], [[Animal burrow]], [[Mineral debris]] and [[Tropical foliage]].