Wood grain is created by the way a tree forms interlocking layers of wood as it grows. The seasons and rainfall make these layers different shades of tan and brown. The layers are not just aesthetic; the wood grain effects how a piece of wood functions when used as a support. Every tree species has different densities of woodgrain, and even within the same log, grain can vary significantly according to how a tree adapts to it’s environment. Like humans, each board is different and beautiful unto itself.