Sap is that sticky substance you sometimes see oozing out of tree trunks. But is tree sap edible? The short answer is yes. Pure maple syrup is the most well-known product made from tree sap — and it's ...

Unless you are intent on making your own maple syrup, you probably haven't given tree sap much thought. So, let's take a deeper dive into a tree's 'blood' or sap and the normal flow in the fall for ...