Fungicides & Plant Disease
Healthy soils and correct growing conditions are the best ways to prevent many plant problems from ocurring. But if you notice wilting, mold, rust, blotches, scabs or decaying tissue on your plants it’s time to hit them with our organic fungicides and disease fighters. Most are made from naturally-available oils and other components, some are even listed with OMRI for use on organic gardens. For best results, apply as soon as the first signs of disease are spotted. Not sure what’s on your plants or how to treat them? View our Plant Diseases page for pictures, descriptions and remedies.
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3-in-1 Garden Spray
$6.95Provides three garden solutions in one: fungicide, insecticide and mitacide. Safer Brand 3-in-1 Garden Spray contains sulfur and insect killing ...
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Bi-Carb Old Fashioned Fungicide
$6.95Controls and eradicates powdery mildew. Monterey Bi-Carb is a fungicide containing micro-encapsulated potassium bicarbonate as the active ingredient (baking soda). ...
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Copper Soap Fungicide
$7.50Year 'round protection from plant diseases! Worry Free Copper Soap is a patented, fixed copper fungicide, made by combining a ...
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Fire Blight Spray
$13.50Ferti-Lome Fire Blight Spray contains the powerful antibiotic streptomycin sulfate (21.2% ) for the control of fire blight, bacterial wilt, ...
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Fruit Tree Spray
$16.50Broad-spectrum insecticide, fungicide & miticide! Green Light Fruit Tree Spray contains both pyrethrins and neem oil to provide quick "knock-down" ...
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Garden Dust
$8.50Not sure what's bugging your plants? Bonide Garden Dust is specially formulated to control both insect pests and plant diseases. ...
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Green Cure Fungicide
$15.95Just say NO to harsh fungicides! Green Cure is highly effective against powdery mildew and other diseases on indoor plants, ...
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Liquid Copper Fungicide
$14.95Approved for organic gardening. Bonide Liquid Copper Fungicide controls a large variety of fungal diseases, including peach leaf curl, powdery ...
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Liquid Copper Spray
$8.50Approved for organic gardening! Bonide Liquid Copper Spray controls a wide range of plant diseases, including powdery mildew, rusts, black ...
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Monterey Neem Oil – RTU
$9.95Available in a NEW ready-to-use spray formula, Monterey Neem Oil has both fungicidal and insecticidal properties to control black spot, ...
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Mycostop
$16.95Developed from a naturally occurring bacteria, Streptomyces griseoviridis, Mycostop Biological Fungicide thrives in the root zone of plants. When applied ...
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Natural Disease Control
$9.95Ideal for organic gardening! Monterey All Natural Disease Control is a ready-to-use blend of naturally occurring ingredients that control plant ...
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Organic Neem Oil
$17.50A broad spectrum insecticide, miticide and fungicide, Monterey 70% Neem Oil controls numerous diseases as well as insects and mites. ...
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Organic Rose Defense
$7.95Insecticide, fungicide & miticide. An effective 3-in-1 organic pest control, Green Light Rose Defense contains 70% neem oil to safely ...
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Organocide Organic Spray
$8.95Finally, an effective organic insecticide! Organocide is derived from a unique blend of soybean extract, sesame and fish oils. Ideal ...
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Physan 20
$9.50Experienced growers know Physan 20 is an effective control of fungi, algae, bacteria and viruses. Use it as a general ...
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Plant Doctor Systemic Fungicide
$13.50Organocide Plant Doctor is an earth-friendly systemic fungicide for use on turf, fruit trees, vegetables, ornamentals and flowers. Effective against ...
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Safer Garden Fungicide
$6.95Safer Garden Fungicide contains elemental sulfur to control fungal diseases on fruits, vegetables and flowers. Effective against powdery mildew, rust, ...
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Serenade Garden Disease Control
$8.50A broad spectrum biofungicide, Serenade Garden contains a unique, patented strain of Bacillus subtilis which provides protection against many of ...
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SNS 244 Fungicide
$8.50Made from 100% pure food grade materials, SNS 244 Fungicide works by killing fungal spores through a biochemical interaction. Some ...
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Sulfur Plant Fungicide
$7.95Bonide Sulfur Plant Fungicide is a finely ground wettable powder containing 90% elemental sulfur. Controls diseases on fruits, vegetables and ...
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Zero Tolerance Fungicide
Just say NO to plant pests! Ed Rosenthal's Zero Tolerance Fungicide kills existing plant diseases fast and prevents new fungal ...
$16.95$15.00
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