Cotton Seeds are added by the Natura Mod
They are a good source of string and wool
Cotton seeds are grown just like any other plant. They must be placed on a tilled piece of land within four blocks of a water source.
Cotton plants will grow using bone meal. The plant on the left is a fully grown cotton plant that does not have cotton on it. The middle plant is a fully grown cotton plant with cotton on it. The right plant is a fully grown cotton plant that has gone to seed. This plant must then be broken giving the player seeds in return. Cotton plants will give the player Cotton when harvested.