Select options Pure Birch Syrup RESERVE $36.00 – $38.00 The first day’s sap, collected in the early spring when there is still snow on the ground, yields the sweetest and lightest syrup of all. We package our limited supply in a re-usable, 8.5 oz. clamp lid glass bottle. 2016, 2017, 2018, and 2019 Reserve available. 2019 is extremely limited in supply. See Recipes..