what is cork and where does it come from?
Have you ever wondered where cork comes from? It comes from the bark of the Cork Oak tree (tree species name - Quercus suber). The cork bark of this species of oak tree (yes it does produce acorns) can grow to become two to three inches thick. Normally however it is harvested when it is about one or one and a half inches thick.
Cork (material) For other uses, see Cork. Cork is an impermeable buoyant material, the phellem layer of bark tissue that is harvested for commercial use primarily from Quercus suber (the Cork Oak), which is endemic to southwest Europe and northwest Africa.