They are grown and pretty much otherwise act like trees but can only be broken with a drill, meaning you need a wall of drills to harvest a giant mushroom farm.

Would also like to see this functionality implemented, especially since the giant nether fungus is already harvestable with the Mechanical Saw :)

This issue has been marked as stale because it has been inactive for 3 weeks. It will be closed if it remains inactive for another 3 weeks.

This issue has been closed since it has been inactive for 3 weeks since it was marked as stale.