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Dealing with a fungal infestation is a problem that causes havoc in the minds of growers. Lucky for you, we at Groindoor.com offer an extensive lot of fungicides and plant washers to help you deal with fungal problems. Whether it’s root rot, powdery mildew, bud rot, or whatever, don’t worry, we have just the right fungicide on offer. Apart from that, if you want to learn more about plant diseases, check out our blog on plant diseases

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  • Safer Garden Fungicide II RTU Quart (6/Cs)

    Safer Garden Fungicide II RTU Quart (6/Cs)

    Safer

    $11.52
    Can be used on fruits, flowers, vegetables, flowering plants and ornamentals. Controls and prevents black spot, rust, leaf spot and powdery mildew on roses. Contains sulfur. Registered in all states.
    $11.52
    Qty in Cart: 0
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    $11.52
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  • General Hydroponics Exile Insecticide, Fungicide, and Miticide

    General Hydroponics Exile Insecticide, Fungicide, and Miticide

    General Hydroponics

    MSRP: $124.50
    $40.63
    General Hydroponics Exile Insecticide, Fungicide, and Miticide is OMRI-listed for use in organic gardening and an EPA-registered fungicide. That means one product gives you control of listed pests and diseases (e.g. soft-bodied pests and powdery...
    MSRP: $124.50
    $40.63
    Qty in Cart: 0
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    MSRP: $124.50
    $40.63
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  • Marrone Bio Innovations Regalia CG, Quart Marrone Bio Innovations Regalia CG, Quart - Garden care

    Marrone Bio Innovations Regalia CG, Quart

    Marrone Bio Innovations

    MSRP: $72.48
    $66.79
    All-natural biological plant extract to boost the plant defense mechanisms against certain fungal and bacterial diseases to improve overall plant health. Outstanding results controlling powdery mildew. Use as a dip for transplants and drench the root...
    MSRP: $72.48
    $66.79
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    MSRP: $72.48
    $66.79
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  • Marrone Bio Innovations Regalia CG, 1 Gallon Marrone Bio Innovations Regalia CG, 1 Gallon - Garden care

    Marrone Bio Innovations Regalia CG, 1 Gallon

    Marrone Bio Innovations

    MSRP: $187.34
    $171.35
    All-natural biological plant extract to boost the plant defense mechanisms against certain fungal and bacterial diseases to improve overall plant health. Outstanding results controlling powdery mildew. Use as a dip for transplants and drench the root...
    MSRP: $187.34
    $171.35
    Qty in Cart: 0
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    MSRP: $187.34
    $171.35
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  • General Hydroponics Defguard Biofungicide and Bactericide, 2.5 Gallon General Hydroponics Defguard Biofungicide and Bactericide, 2.5 Gallon - Garden care

    General Hydroponics Defguard Biofungicide and Bactericide, 2.5 Gallon

    General Hydroponics

    MSRP: $421.82
    $174.74
    General Hydroponics Defguard Biofungicide and Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold)...
    MSRP: $421.82
    $174.74
    Qty in Cart: 0
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    MSRP: $421.82
    $174.74
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  • General Hydroponics Defguard Biofungicide and Bactericide, 1 Gallon General Hydroponics Defguard Biofungicide and Bactericide, 1 Gallon - Garden care

    General Hydroponics Defguard Biofungicide and Bactericide, 1 Gallon

    General Hydroponics

    MSRP: $204.35
    $72.33
    General Hydroponics Defguard Biofungicide and Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold)...
    MSRP: $204.35
    $72.33
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    MSRP: $204.35
    $72.33
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  • General Hydroponics Defguard Biofungicide and Bactericide, 1 Quart General Hydroponics Defguard Biofungicide and Bactericide, 1 Quart - Garden care

    General Hydroponics Defguard Biofungicide and Bactericide, 1 Quart

    General Hydroponics

    MSRP: $55.73
    $19.14
    General Hydroponics Defguard Biofungicide and Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold)...
    MSRP: $55.73
    $19.14
    Qty in Cart: 0
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    MSRP: $55.73
    $19.14
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  • General Hydroponics Defguard Biofungicide and Bactericide, 1 Pint General Hydroponics Defguard Biofungicide and Bactericide, 1 Pint - Garden care

    General Hydroponics Defguard Biofungicide and Bactericide, 1 Pint

    General Hydroponics

    MSRP: $29.19
    $11.82
    General Hydroponics Defguard Biofungicide and Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold)...
    MSRP: $29.19
    $11.82
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    MSRP: $29.19
    $11.82
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  • ActinovateLawnandGardenTurfConcentrate,18oz. ActinovateLawnandGardenTurfConcentrate,18oz. - Garden care

    ActinovateLawnandGardenTurfConcentrate,18oz.

    Actinovate

    MSRP: $171.86
    $165.03
    ActinovateforLawn&Gardencontainsahighconcentrationofapatentedbene?cialmicroorganism.Whenapplied,theActinovatemicrobegrowsontheplant'srootsandleaves,livingofftheplant'sby-productswhileatthesametimeattackingharmfuldiseasecausingpathogens...
    MSRP: $171.86
    $165.03
    Qty in Cart: 0
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    MSRP: $171.86
    $165.03
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  • SNS 244 Fungicide RTU 32oz

    SNS 244 Fungicide RTU 32oz

    Sierra Natural Science

    MSRP: $24.99
    $21.67
    SNS 244TM Ready to Use Natural Fungicide is made up of 100% pure thyme botanical extracts. The botanicals are all food grade GRAS (Generally Recognized As Safe) materials. SNS 244 RTU Natural Fungicide is exempt from EPA registration under minimum risk...
    MSRP: $24.99
    $21.67
    Qty in Cart: 0
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    MSRP: $24.99
    $21.67
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  • Hygrozyme 5X Concentrate USA 20L

    Hygrozyme 5X Concentrate USA 20L

    Hygrozyme

    MSRP: $1,839.99
    $1,740.53
    Hygrozyme Concentrate®ï¸ is your enzyme solution for licensed/commercial growers at a 5X concentrated formula allowing them to get more for less! Dosage is 1.5 ml to 1 gallon of water.
    MSRP: $1,839.99
    $1,740.53
    Qty in Cart: 0
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    MSRP: $1,839.99
    $1,740.53
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  • H2O2 Hydrogen Peroxide 29% 4 L case of 4

    H2O2 Hydrogen Peroxide 29% 4 L case of 4

    Nutrilife Products

    MSRP: $192.99
    $152.02
    A 29% liquid concentrate solution that adds oxygen to nutrient solutions through the decomposition of hydrogen peroxide. Nutrilife H2O2 is an Oxygen source for plants and soil. Nutrilife H2O2 (29%) makes it easy to increase oxygen levels around the...
    MSRP: $192.99
    $152.02
    Qty in Cart: 0
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    MSRP: $192.99
    $152.02
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