DTE Oyster Shell

$3.99

Down to Earth Small Box Fertilizers

Down To Earth Oyster Shell Mini Box

Mini Boxes are an economical way to try our fertilizers, and great for single plant use, small planter use, or for very small raised beds.
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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 plant immunity. Oyster Shell builds optimum tilth by improving the texture, aeration and water penetration of soils.

1 lb. Box

OMRI Listed (Organic Materials Review Institute)
CDFA Listed (Registered Organic Input Material)

In stock

Down to Earth Small Box Fertilizers

Down To Earth Oyster Shell Mini Box

Mini Boxes are an economical way to try our fertilizers, and great for single plant use, small planter use, or for very small raised beds.


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 plant immunity. Oyster Shell builds optimum tilth by improving the texture, aeration and water penetration of soils.

1 lb. Box

OMRI Listed (Organic Materials Review Institute)
CDFA Listed (Registered Organic Input Material)