Tsuga canadensis (Eastern hemlock): Cones
The cones are produced on the previous season's growth near the tips of the branches. They are small, with thin, papery scales, which are noticably two-toned, being darker where scales overlapped. Trees take 20 to 40 years to begin seed production, eventually producing heavy crops every 2 to 3 years and lighter crops in between. Seeds are egg-shaped, winged and less than 0.1 inches long.