Talk:Cactus/@comment-29083442-20160725015656/@comment-26411013-20160725021938

The item that you get upon harvesting is renewable, but the plant itself does not respawn. For example, if a Cactus burns, that's one less cactus in the world.

Same with other harvestable, naturally spawning plants. (Saplings, Grass Tufts, Berry Bushes, etc...)