Items related to "copper" in Organic Growers Supply
Bonide® Liquid Copper Concentrate
Fungicide - Plant Protection and Pest Control

currently on backorder, ETA 11/1
A copper fungicide for the home gardener. Copper is a very effective fungicide, but regular use may result in problematic concentrations in the soil or plant tissue: we advise regular soil testing! read more

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Cueva® Copper Concentrate
Fungicide - Plant Protection and Pest Control

currently on backorder
A soluble copper fertilizer combined with a fatty acid that controls most fungal diseases of plants and vegetables. Start treatment with copper before symptoms appear. read more

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Regalia® Biofungicide
Plant Protection and Pest Control

currently on backorder
Helps induce systemic resistance to a broad range of fungal diseases in most edible crops. Preferable to copper fungicide on cannabis, and worth a try to prevent late blight in your potatoes! read more

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Micronutrients Liquid Copper
Mineral - Soil Amendments and Fertilizers

currently on backorder, ETA 8/23
Copper is necessary for efficient photosynthesis and respiration and affects the sugar content and flavor of produce. Contains 4% chelated copper derived from copper sulfate. read more

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Micronutrients Liquid Zinc
Mineral - Soil Amendments and Fertilizers

currently on backorder
Zinc is a component of auxin, an essential growth hormone, and is also necessary for proper root development. Improves cold tolerance. Contains 7% zinc derived from zinc sulfate. read more

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High Brix Molasses - Organic
Plant-based - Soil Amendments and Fertilizers

Molasses is a source of important nutrients, including manganese, magnesium, copper, potassium and calcium. Food grade, shelf stable. Plants and beneficial microbes have a sweet tooth, too! read more

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Soil Testing & Organic Fertilizer Recommendation Service
Soil Amendments and Fertilizers

out-of-stock, Unavailable for 2024
Don’t guess—test! You’ll learn your soil pH, organic matter percentage, levels of common minerals and nutrients, plus we’ll offer customized recommendations to correct or impro read more

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