Seagrass
Decoration Stack: 64 Since 1.13 (Update Aquatic)
Quick answer: Harvest it with shears only: any other tool destroys it and drops nothing.
How to get it
- Harvest it with shears only: any other tool destroys it and drops nothing
- Find it in rivers, non-frozen oceans, swamps and mangrove swamps; tall seagrass drops 2 items
- Grow your own: bone meal on a solid block underwater sprouts seagrass all around it
Uses
- Breed and lead turtles: seagrass is the turtle food, and baby turtles grow up to drop scutes
- Bone meal a regular seagrass to turn it into tall seagrass for aquarium decoration
- Fill ocean builds and fish tanks with moving green water plants
Renewability
Yes: bone meal underwater generates it on demand in both editions
Java vs Bedrock
Bone meal works on any solid block in Java, but only on dirt, sand, gravel and clay-type blocks in Bedrock
Related: Bone MealTurtle ScuteKelpSea Pickle