A high quality soil conditioner which consists of 96% calcium carbonate and many micronutrients, Oyster Shell provides a long-lasting, steady release of nutrients to help regulate pH levels, improve fertilizer uptake, promote healthy cellular structure and enhance soil tilth. Oyster Shell is also helpful in creating more active habitats for soil microbes in compost piles and worm bins.

Ingredients: Ground Oyster Shell which consists of 96% calcium carbonate

Application Rates:

Vegetable Gardens & Flower Beds: Apply 2-6lbs per 100 square feet and thoroughly mix into soil.

Lawns: In fall or Spring, apply up to 100lbs per 1,000 sq feet and water in well. Repeat annually, gradually reducing the application rate as soil pH increases to ideal level.

Trees & Shrubs: Spread 1lb per 1" of trunk diameter around the base and outwards to the drip line and water in well. Repeat annually reducing application rate as plant vigor and soil pH increase to ideal levels.

Acreage: Apply 500-2,000lbs per acre initially followed by annual maintenance applications depending on soil pH analysis and crop requirements.

OMRI Listed