14-21 days. Microgreens are the highly nutritious first set of leaves from seedlings of gourmet greens. Stands alone with vinaigrette and also makes a stunning bed of greens to set off your culinary creations. Simply sow the Microgreens Mix in a flat or pot filled with soil and harvest the seedlings when their first set of leaves appear. Mix includes arugula, beet, red kale, purple mizuna, radish, and salad burnet. One ounce will sow a 4' x 4' area.