Pro-Mix® HP Mycorrhizae® is a high porosity peat-based growing medium. This formula ensures optimum growth, especially when high air capacity and extra drainage are required. It is ideal for water sensitive crops, rooting cutting and/or low-light growing conditions. Pro-Mix® HP Mycorrhizae® is compatible with a wide variety of ornamental plant species, fruit crops and most vegetable transplants. Benefits may vary depending on plant species and cultivars. INGREDIENTS Canadian Sphagnum Peat Moss (80-85%/vol.) Endomycorrhize (Mycorise® PRO) Perlite - horticultural grade & Vermiculite Dolomitic & Calcitic Limestone (pH adjuster) Macronutrients & Micronutrients Wetting Agent