Custom soil mixes (topsoil-based mixes made with local soil) require a minimum 3-5 working day notice to process each order. Listed below are the current rates and mix components.
Soil mixes are steam pasteurized and delivered by PCF staff in steam carts
½ cubic yard (SMALL) or 1 cubic yard (LARGE) carts are available to order.
Scoops are available in the PCF Storeroom, open M-F 8am-4pm, excluding Campus holidays.
PCF staff will pick up steam carts with leftover soil after one to two weeks of no activity unless otherwise instructed by the lab. Orders can be submitted in sequence if multiple plantings are needed for a project.
| Custom Mixes by volume, amendments added per cubic yard | Internal Cost cubic yard | External Cost cubic yard |
| General Purpose 1:1:1 – Soil : Peat : Perlite Amendments: 5 lbs dolomitic lime, 2 lbs 0-46-0, 3 lbs gypsum, 2 lbs epsom Recommendation: do not use for soybeans | $135.44 | $172.28 |
| General Purpose Scoop | $1.13 | $1.44 |
| General Purpose Lite 1:2:2 – Soil : Peat : Perlite Amendments: 5 lbs dolomitic lime, 1½ lbs 0-46-0, 3 lbs gypsum, 2 lbs epsom4 Comment: improved soil porosity | $146.19 | $185.95 |
| Root Wash Mix 1:1:1 – Soil : Calcined Clay : Torpedo Sand Comment: A good choice if you need to harvest roots. | $151.63 | $192.87 |
| Soybean Mix 1:1:1 – Soil : Perlite : Torpedo Sand | $118.11 | $150.23 |
| Weed Mix 1:1:1 – Soil : Peat : Torpedo Sand Amendments: 5 lbs dolomitic lime, 2 lbs 0-46-0, 3 lbs gypsum, 2 lbs epsom | $83.23 | $105.87 |
| Weed Mix Scoop | $0.69 | $0.88 |
| Weed Lite Mix 1:1 – Weed Mix : LC1 Amendments: 5 lbs dolomitic lime, 2 lbs 0-46-0, 3 lbs gypsum, 2 lbs epsom | $177.47 | $225.74 |
| Vodkin Mix 2:1 – Soybean Mix : BM7 | $138.34 | $175.97 |
| Hind Mix BM6 + 15-9-12 osmocote mixed into bagged media (unsteamed) | $259.90 | $330.59 |
| Studer Mix 1:1 – BM6 : General Purpose Mix | $244.60 | $311.13 |
| Studer Mix Scoop | $2.04 | $2.59 |
| Sandy Loam Mix 2:1 – Sand : Soil Comment: A well-drained mineral soil blend | $65.90 | $83.82 |
| Sandy Loam Scoop | $0.55 | $0.70 |
Please note: You will receive an invoice monthly for the soil or soilless mixes you use, a valid CFOP must be provided at the time of order. If you use soil or soilless mixes outside the PCF (in your lab, field sites, etc.) you must provide a valid CFOP per pickup or soil order.
Updated July 2025