Micro Green Growing Media In Coir When the seeds first germinate, they put out their first set of leaves called the “cotyledon.” The second set of leaves will take on the characteristics of the plant they will become. Its at this point, that harvest usually occurs. Microgreens are often used by chefs for garnishes because of their color, texture and flavor, but as more people become aware of their amazing nutritional value, and astonishing flavors, they are finding their way into recipes of home cooks everywhere and are popular additions to salads, sandwiches, juices, and more. Why Grow Micro Greens? Sometimes even when you are looking for them and unless you have a grower you purchase from regularly, they can be hard to find. Plus micro greens have a short shelf life and getting them fresh is best for both flavor and nutrition.eens grow. The excessive root development is a pretty amazing thing to watch. You will be witnessing a true miracle of life! It’s got to be one of the easiest crops to grow, too. Even if you’ve had little success growing crops to fruit, it’s pretty hard to mess up growing only to the the second stage leaves!