By Jillian Way If you grew a potager (a culinary herb garden) this summer, you will likely harvest your herbs several times throughout the season, but it is important to note that different parts of plants are best harvested at different times. Here are some general guidelines. The Harvest Leaves are generally most potent right before the plant is in full bloom (though this is not always the case, mint family plants are sometimes more potent while in flower). Use the same di