Sand-Compost Blends
Sand-Compost Blends
Product Description
Bioretention Soil Mix is a blend of 60% medium-fine sand like Fairway Top Dressing Sand and 40% fine compost. It’s used as a planting medium in areas that require drainage due to water runoff.
According to the Low Impact Development (LID) Toolkit for Local Governments, bioretention refers to “a shallow landscaped depression with a designed soil mix (the bioretention soil mix or ‘BSM’) and plants adapted to local climate and soil moisture conditions.”
Our blend is based on City of Seattle specifications.
Product Applications
Bioretention Soil Mix can be used in rooftop gardens, rain garden basins, and bioswales. It can also be used around retention ponds.
Similar Products
For a more traditional landscaping soil, our topsoil blends contain topsoil, sand, and compost.
About Sand-Compost Blends
Our sand-compost blends contain varying percentages of washed sand and organic yard waste compost.
Pricing & Availability
Minimum $35.00 purchase required on all materials. Check pricing and availability by requesting a quote online.
Material Spreading
Prices quoted are for material delivery only. Drivers do their best to dump material evenly when requested. However, Washington Rock cannot guarantee that this will result in an even or desirable distribution of material. Customers must supply the equipment and labor necessary to finish projects.
Minimum Delivery Quantity
Our minimum order quantity for deliveries is 10 cubic yards. Do you need less than that? Find a local supplier here.
Product Description
Rootzone Mix is a made-to-order blend of 80–90% medium-fine sand like Fairway Top Dressing Sand and 10–20% compost. This product is intended to nourish roots to create healthy lawns and playing surfaces.
Product Applications
Rootzone Mix is typically used as a base for seeding outfields and grass athletic fields. Sometimes it’s also used to construct golf greens.
Similar Products
Our standard mix can be customized for specific projects.
Helpful Tips
This product is typically only mixed for large field projects. Please inquire if you need 100 cubic yards or more.
About Sand-Compost Blends
Our sand-compost blends contain varying percentages of washed sand and organic yard waste compost.
Pricing & Availability
Minimum $35.00 purchase required on all materials. Check pricing and availability by requesting a quote online.
Material Spreading
Prices quoted are for material delivery only. Drivers do their best to dump material evenly when requested. However, Washington Rock cannot guarantee that this will result in an even or desirable distribution of material. Customers must supply the equipment and labor necessary to finish projects.
Minimum Delivery Quantity
Our minimum order quantity for deliveries is 10 cubic yards. Do you need less than that? Find a local supplier here.