Searles Seed Raising Specialty Mix is a professionally formulated mixture used by experienced horticulturists and home gardeners alike. Excellent aeration properties for good root growth and establishment. This mix contains a high percentage of Peat Moss making it a light fine textured blend with good water retention while alsoproviding excellent aeration for essential root growth. Ideal for use in seedling boxes or trays or on top of the garden bed to save transplanting. Water absorbent formula. A light fine textured soft blend containing Peat Moss. Certified AS 3743 for seedling mix.