Grow Duration: Appx 2-3 Weeks, Avg Size: 2-4". Petite Asian Mix blends the very best Asian fresh herbs and greens. Fresh flavors of Mizuna, Tatsoi, Shiso, Mitsuba, Pak Choy, Peas, Mustard, Shungiku and others. Asian entrees are a perfect match for this delicious mixture, or just add a light vinaigrette to create a wonderful fresh salad.