Nettleton Hollow Natural Birch Branches, 20-25 Branches 20-25 Natural Birch Branch Stems per bundle Birch Bundles are 3-4 feet tall. One bundle shown. These are stems of Black Birch (Betula lenta), which has particularly fine twigs that are a pleasant brown. This birch is harvested in the southern Appalachians. Please note that Amazon allowed another seller to offer bundles of shorter branches with few stems under this listing, resulting in a 2 star review.