Blended soils are made by combining recycled organic material with sand, soil or other products to form a growing medium. Blended soils may supply nutrients, increase moisture and nutrient holding capacity and can help drainage.
San Diego Select Topsoil
San Diego Select Topsoil is 50% sandy loam topsoil amended 50% by volume with organic components consisting of long lasting A-1 Lifelike™ 3/8” Compost, perlite, peat moss, coir, and nitrogen fortified redwood shavings. This mixture of mineral and organic components provides exceptional plant support and enhanced nutrient-holding capabilities, as well as beneficial humus for plant growth and development.
A-1 Blend Amended Topsoil
A-1 Blend Topsoil is 60% sandy loam amended 40% by volume with A-1 Lifelike™ 3/8” Compost, an organic component that improves soil texture and introduces beneficial microbial activity to the soil.
A-1 Topdressing/Palm Mix
A-1 Topdressing/Palm Mix is a blend of nitrogen fortified fir shavings, 0-1/4” Plain Fir Bark, A-1
A-1 Queen of Show Rose Mix
A-1 Queen of Show Rose Mix is a blend of organic materials specially formulated for roses but is a beneficial amendment for almost any plant. A-1 Queen of Show Rose Mix offers a stabilized source of A-1 Lifelike 3/8" Compost, Peat Moss, Coir, Nitrolized Redwood Shavings, Perlite, & Washed Sand to improve soil porosity and provide long-term carbon sources to plants. Supplied only by Hanson Aggregates A-1 Soils.
A-1 Potting Soil
A-1 Potting Soil is a lightweight blend of nitrogen fortified redwood shavings, peat moss, coir, perlite, & horticultural sand. A wetting agent is added to enhance the mixtures ability to absorb water. The components allow for a light friable planting medium with excellent soil porosity.
A-1 Bioretention Soil Mix
A-1 Bioretention Soil Mix is a blend of 80% washed coarse sand and 20% sandy loam topsoil. The blended material is low in silt and clay which allows the material to perform at the required minimum drainage properties of ˃ 5” per hour KSat Perc Rate @ 85% relative compaction. This satisfies civil engineering requirements while maintaining the agronomical properties of a well graded sand with silt to satisfy the landscape architect’s desire to support growth of plant material. Clay content is limited to provide a minimum cation exchange capacity for healthy plant material if desired.
A-1 Bioretention Soil Mix with