Did you know? In North America, it takes less than two seconds to grow the fiber for a standard #10 envelope. Surprised? You shouldn’t be. According to Two Sides North America, here are some little known facts about paper and trees.

The time required to grow the fiber needed for a #10 envelope is 0.3 to 1.9 seconds.

The time required to grow the fiber needed for a ream of 500-sheet office paper is 0.3 to 2.2 hours.

Growth rates are based on 100 acres of managed forest in North America.*

The fastest growth rates are for Loblolly Pine and Hybrid Aspen. […]