Swamp Tallgrass is The Betweenlands' equivalent of vanilla Tall Grass, found in Patchy Islands, Coarse Islands, and Marsh biomes as well as in Underground Oases. When harvested with a Sickle, it drops Swamp Tallgrass Blades, which can then be ground into Ground Swamp Tallgrass.
- Beta 2.0.0: Can now be grown and farmed with composted blocks.
- Can now be found in Underground Oases.
- Beta 1.0.0: Introduced.