Organic Barley Grass Powder - 500g - Indigo Herbs. Fresh young barley shoots are harvested at their nutritional peak to provide a chlorophyll rich, highly digestible green powder. Reared under warm sunlight, in rich organic soil, the Barley Grass is harvested at the tender age of 4-5 months, when the plant has assimilated a great deal of nutrients from the soil to help push it into adulthood.