PRO-MIX Premium Organic Vegetable and Herb Mix is ideal for growing vegetables, fruits and herbs both indoors and outdoors. It is OMRI-listed for use in organic gardening and is suitable for both in-ground and container planting. This potting mix includes an organic fertilizer that gradually feeds plants for up to three months for sustained, vigorous growth. The ready-to-use garden soil includes Mycoactive growth enhancer, a formula that improves stress tolerance and delivers 20% bigger and healthier plants.