Vanderbilt Minerals VANSIL CS-1 Wollastonite

Boost Your Garden’s Health with Nature's Untouched Silicon Treasure

Natural Calcium Silicate Fertilizer, OMRI Organic Approved

Use as an alternative to limestone and to provide Plant Available Silicon and Calcium in your soilless potting mixes.

For best results, apply wollastonite according to soil test results and agronomic recommendations. Application rates will vary according to plant requirements and soil conditions. Consider soil/media pH as well as calcium and magnesium requirements in addition to silicon supplementation when using this product as part of a balanced fertility program

Horticultural Applications

Greenhouses:

Add 6 to 10 pounds of wollastonite per cubic yard of soilless mix (1/4 cup per gallon), or enough to adjust the pH of the media into the desired range.

Home Gardens:

Add 1 cup of wollastonite per meter of row at seeding. Use 2 tsp. to 1/3 cup of wollastonite per plant at transplanting. Top dress plants with 2 tsp. of wollastonite weekly or bi-weekly.

Market Gardens/Field Vegetables:

 Spring or fall application; incorporation is recommended. Apply at 1.5 to 4 mT/ac. Sandy soils, soils low in organic matter; cucurbits and brassicas will respond to higher rates.

• VANSIL Safety Data Sheet (SDS)
• Vansil Agricultural Technical Sheet including list of scientific studies 
• VANSIL  OMRI Organic Certificate
• Vansil CS-1 specifications
• Vansil W-10 specifications
• VanSil W-20 specifications
• 50 x 50 pound bags on a full pallet