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Oyster Shell flour is an all-natural source of high-quality calcium that is ground into varying sizes to ensure an immediate and sustained release of this valuable nutrient. Calcium promotes strong root development, improves nutrient uptake and boosts pla
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Derived from:
Ground Oyster Shell
APPLICATION RATES
Vegetable Gardens & Flower Beds:
To prepare new gardens, apply 2.5-5 lbs per 100 square feet and thoroughly mix into the top 3″ of garden soil in spring or fall. For new transplants, add 1-2 tsp per hole, mix into soil and water in well.
Outdoor Containers:
For new plantings, add 1-2 tbsp per gallon of soil and mix thoroughly OR add 0.5-1 lb per cubic yard. For established plants, lightly mix 1-2 tbsp per gallon into the soil surface every other month during the growing season.
Lawns:
In spring and fall, apply 2.5-5 lbs per 100 square feet and water in well. Results may be enhanced if applied following aeration.
Trees & Shrubs:
Spread 1 lb per 1″ of trunk diameter around the base outwards to the drip line, mix into soil surface and water in well. For new trees, prepare transplant hole and mix 1-2 cups with the backfill soil. Use the amended soil to fill in around the new tree; water in well.
Row Crops/Acreage:
Apply 500-2,000 lbs per acre initially followed by annual maintenance applications depending on soil analysis and crop requirements.