Our Premium compost offers structure, water holding capacity, and myriad nutrients and beneficial microorganisms to your soil. Use as an amendment with new soil, or as a top dress on existing beds. Three grades based on how finely it is screened. 1/2" for new raised beds and amending/top dressing outdoor garden beds, 3/8" for potting soil blends, 1/4" for lawn fertilization and seed start blends.