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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.

  • 3-in-1 Garden Spray

    3-in-1 Spray

    Contains sulfur and insect killing soap derived from natural fats and plant oils.

    $7.95 $6.95
  • Organic Neem Oil

    70% Neem

    For broad spectrum use on vegetables, flowers, trees and more – indoors or out!

    $22.95 $17.95
  • Actinovate Fungicide


    This one-stop fungus fighter works from root to leaf with a concentrated formula.

    $12.95 $10.95
  • Bi-Carb Fungicide


    Use to eradicate pathogenic fungi on a wide variety of crops and ornamental plants.

    $9.95 $7.50
  • Fire Blight Spray

    Fire Blight Spray

    Made with streptomycin sulfate (21.2% ) for use on apples, pears and more!

    $19.95 $16.95
  • Bonide Garden Dust

    Garden Dust

    This powerful blend may be used as a spray or dust to cure most plant problems.

    $11.50 $8.50
  • Garden Fungicide

    Garden Fungicide

    Use to control a long list of fungal diseases including mildew, rust and scab.

    $7.95 $6.95
  • Green Cure Fungicide

    Green Cure

    A highly effective remedy for indoor plants, greenhouse and garden crops and turf.

    $16.95 $14.95
  • Liquid Copper Fungicide

    Liquid Copper

    Use to combat a wide variety of fungal diseases without toxic poisons!

    $18.95 $16.50
  • Liquid Copper Spray

    Liquid Copper Spray

    Use as a dormant or growing season spray on fruits, flowers and vegetable crops.

    $11.95 $8.95
  • Mycostop Biological Fungicide


    Used by growers for diseases caused by pythium, fusarium, alternaria and more.

    $19.95 $16.95
  • Natural Disease Control

    Natural Disease Control

    A ready-to-use blend of naturally occurring and SAFE ingredients. Will not burn!

    $14.95 $10.95
  • Monterey Neem Oil Spray

    Neem Oil – RTU

    An easy to use, ready to spray formula that works both indoors or out.

    $14.95 $10.95
  • Orchard Spray

    Orchard Spray

    This one-hit product protects against common insect attacks and fungal problems.

    $17.95 $15.50
  • Organocide Spray


    Ideal for use on a wide variety of insects, mites, scale and certain fungal diseases.

    $12.95 $9.95
  • Physan 20

    Physan 20

    A powerful disinfectant for cleaning tools, planter trays, pots and more!

    $9.95 $7.95
  • Plant Doctor Systemic Fungicide

    Plant Doctor

    An eco-friendly systemic for use on turf, fruit trees, vegetables and more!

    $16.95 $13.95
  • Serenade Disease Control

    Serenade Garden

    Grow beautiful, disease-free fruits, vegetables and flowers – without chemicals!

    $12.95 $9.95
  • SNS 244 Natural Fungicide

    SNS 244

    Made from 100% pure food grade materials to safely kill fungal spores on plants.

    $25.00 $21.95
  • Sulfur Plant Fungicide

    Sulfur Plant Fungicide

    Apply as a spray or dust to treat most diseases on fruits, flowers and vegetables.

    $8.50 $6.95
  • Sulfur Prills

    Sulfur Prills

    This pure, clean-burning formula will help you eliminate mildew and mites.

    $8.95 $7.95
  • Sulfur Burner

    Sulfur Vaporizer/ Burner

    Turns sulfur prill into a fine dust that prevents plant fungus, mold and more!

    $131.95 $119.95
  • Zero Tolerance Fungicide

    Zero Tolerance Fungicide

    Kills existing plant diseases fast and prevents new fungal problems from starting.

    $19.95 $16.95
  • Dig Deeper (Articles)