The True Cinnamon or Sri Lankan Cinnamon is the dried inner stem bark of Cinnamomum Verum. Cinnamon plants are grown as bushes. When the plants are of two years age, they typically measure at about 2 meter in high and 8-12 cm at the base. It is at this stage they are ready for harvesting.The commercial products of cinnamon are quills, quillings, featherings, chips, cinnamon bark oil and cinnamon leaf oil.