When sea grass is destroyed at the bottom or top, the other side is not destroyed automatically.
Linked issues
is duplicated by 6
MCPE-41631
Kelp bug
Resolved
MCPE-42484
Removing the block below seagrass doesn't cause the seagrass to break
Resolved
MCPE-43432
Placing a solid block on tall seagrass doesn't break the top
Resolved
MCPE-43835
Bug with sea grass & block, which keep this sea grass.
Resolved
MCPE-44154
Seagrass doesn't properly get destroyed.
Resolved
1 more links
Affects the full 1.10 release. Also does not break if you remove the block under it.