Collection: Organic Disease Control
Fight plant diseases–organically
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Liqui-Cop Concentrate (Pint)
Regular price $16.99Sale $16.99Unit price per -
Monterey Neem Oil 70% Concentrate (Pint)
Regular price $27.99Sale $27.99Unit price per -
Organic Monterey Horticultural Oil (Qt)
Regular price $14.99Sale $14.99Unit price per -
Organic Monterey Horticultural Oil (Gal)
Regular price $41.99Sale $41.99Unit price per -
Liqui-Cop Concentrate (Gallon)
Regular price $59.99Sale $59.99Unit price per -
Organocide Concentrate (Quart)
Regular price $33.99Sale $33.99Unit price per -
Organocide Ready To Use (24 Oz)
Regular price $18.99Sale $18.99Unit price per -
Monterey Garden Insect Spray Ready To Use (Qt)
Regular price $12.99Sale $12.99Unit price per -
Fertilome Copper Soap Liquid Fungicide Concentrate (Pint)
Regular price $19.99Sale $19.99Unit price per -
Monterey Complete Disease Control (Pint)
Regular price $20.99Sale $20.99Unit price per -
Doctor Zymes Insecticide/Fungicide Concentrate (Quart)
Regular price $37.99Sale $37.99Unit price per -
Natural Guard Copper Soap Liquid Fungicide RTU (Qt)
Regular price $13.99Sale $13.99Unit price per -
Organic Summit Year Round Horticultural Spray Oil RTU (Qt)
Regular price $12.99Sale $12.99Unit price per -
Mildew Cure Concentrate (Quart)
Regular price $24.99Sale $24.99Unit price per -
Bonide Copper Fungicide RTS (16oz)
Regular price $31.99Sale $31.99Unit price per -
New
Organic Arber Bio Fungicide Concentrate
Regular price $24.99Sale $24.99Unit price per -
New
Organic Arber Bio Protectant
Regular price $24.99Sale $24.99Unit price per -
Lost Coast Plant Therapy 1 Gallon
Regular price $259.99Sale $259.99Unit price per -
Sold outHi-Yield Wettable Sulfur (3.25 lb)
Regular price $14.99Sale $14.99Unit price per -
Organocide Concentrate (2.5 Gallon)
Regular price $226.99Sale $226.99Unit price per$0.00Regular priceSold out -
Sold outLost Coast Plant Therapy (12 oz)
Regular price $41.99Sale $41.99Unit price per -
Sold outMildew Cure Ready-to-Use (32 oz)
Regular price $19.99Sale $19.99Unit price per
Browse fungicides and related products for labeled plant-disease uses. Accurate diagnosis matters because fungal, bacterial, environmental, and nutrient problems can produce similar symptoms.
Shop disease-control products by formulation
Confirm the disease, crop or site, application timing, and permitted use on the exact product label. Follow all directions, restrictions, protective-equipment requirements, and environmental precautions. Organic-input eligibility must also be verified for the exact product when relevant.
Garden guide: Read the plant-disease diagnosis and organic management guide for identification-first, prevention-focused planning and product selection.