Fungicides

National Hydro Group is your online source for Fungicides. If you cant find the Fungicides that meet your needs please give us a ring or send a quick email so we can help you find exactly what you're looking for.
Marrone Bio Innovations Regalia CG Gallon-NWGSupply.com
Save 14%
$190.00
$163.95

Marrone Bio Innovations Regalia CG Gallon

Sunlight Supply

All natural biological plant extract to boost the plant defense mechanisms against certain fungal and bacterial diseases to improve overall plant...

View full details
$190.00
$163.95
Save 14%
Plant Doctor Systemic Fungicide Concentrate Pint-NWGSupply.com
Save 1%
$16.99
$16.82

Plant Doctor Systemic Fungicide Concentrate Pint

Organic Laboratories

ORGANOCIDETM Plant Doctor Systemic Fungicide (Formerly Exel LG) is an earth-friendly broad spectrum disease control and preventative for use on tur...

View full details
$16.99
$16.82
Save 1%
Marrone Bio Innovations Regalia CG Quart-NWGSupply.com
Save 8%
$90.00
$82.95

Marrone Bio Innovations Regalia CG Quart

Sunlight Supply

All natural biological plant extract to boost the plant defense mechanisms against certain fungal and bacterial diseases to improve overall plant...

View full details
$90.00
$82.95
Save 8%
Marrone Bio Innovations Grandevo CG 1 lb-NWGSupply.com
Save 16%
$89.00
$74.95

Marrone Bio Innovations Grandevo CG 1 lb

Sunlight Supply

Start strong to protect your plants from nutrient robbing mites, thrips, and aphids that impact yield and quality of your plants. Can be used on o...

View full details
$89.00
$74.95
Save 16%
SNS 244C Fungicide Conc. Quart-NWGSupply.com
Save 8%
$41.95
$38.50

SNS 244C Fungicide Conc. Quart

Sierra Natural Sciences

Kills fungus and mildew and is highly effective for the control of a broad spectrum of vegetable, fruit and ornamental plant fungal diseases. How i...

View full details
$41.95
$38.50
Save 8%
Bio-Green Clean Industrial Equipment Cleaner, 1 qt-NWGSupply.com
Save 13%
$36.95
$32.30

Bio-Green Clean Industrial Equipment Cleaner, 1 qt

Bio Green Clean

Clean your grow room, garage, or other equipment with top-of-the-line materials, without giving up an ounce of environmental friendliness. Bio Gree...

View full details
$36.95
$32.30
Save 13%
Bio Green Clean Concentrate, gal-NWGSupply.com
Save 14%
$92.81
$80.19

Bio Green Clean Concentrate, gal

Bio Green Clean

Composed of purified water, minerals, amino acids and other plant-derived elements, non-toxic Bio Green Clean removes grease, dirt, oil and more fr...

View full details
$92.81
$80.19
Save 14%
Marrone Bio Innovations Venerate CG Gallon-NWGSupply.com
Save 6%
$196.00
$183.95

Marrone Bio Innovations Venerate CG Gallon

Sunlight Supply

Your biological go to insecticide, Venerate® CG is your in-season insecticide with multiple modes of action to beat down pests impacting the healt...

View full details
$196.00
$183.95
Save 6%
GreenCure 40 oz-NWGSupply.com
Save 11%
$68.95
$61.07

GreenCure 40 oz

Green Cure

GreenCure is a potassium bicarbonate-based, broad spectrum foliar fungicide that cures and prevents powdery mildew, black spot, downy mildew, botry...

View full details
$68.95
$61.07
Save 11%
Marrone Bio Innovations Venerate CG Quart-NWGSupply.com
Save 16%
$100.00
$83.95

Marrone Bio Innovations Venerate CG Quart

Sunlight Supply

Your biological go to insecticide, Venerate® CG is your in-season insecticide with multiple modes of action to beat down pests impacting the healt...

View full details
$100.00
$83.95
Save 16%
SNS 244C Fungicide Concentrate, qt-NWGSupply.com
Save 8%
$41.65
$38.50

SNS 244C Fungicide Concentrate, qt

SNS

SNS 244C Fungicide consists of 100% pure thyme botanical extracts and kills fungi harming plants, vegetables and trees. Some components of SNS 244C...

View full details
$41.65
$38.50
Save 8%
SaferGro Mildew Cure Concentrate, 16 oz-NWGSupply.com
$15.89
Marrone Bio Innovations Grandevo CG 4 lb-NWGSupply.com
Save 11%
$309.00
$274.95

Marrone Bio Innovations Grandevo CG 4 lb

Sunlight Supply

Start strong to protect your plants from nutrient robbing mites, thrips, and aphids that impact yield and quality of your plants. Can be used on o...

View full details
$309.00
$274.95
Save 11%
GH Defguard Biofungicide / Bactericide Pint-NWGSupply.com
Save 23%
$26.32
$20.27

GH Defguard Biofungicide / Bactericide Pint

General Hydroponics

General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective ...

View full details
$26.32
$20.27
Save 23%
GH Defguard Biofungicide / Bactericide Gallon-NWGSupply.com
Save 22%
$184.00
$144.05

GH Defguard Biofungicide / Bactericide Gallon

General Hydroponics

General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective ...

View full details
$184.00
$144.05
Save 22%
GH Defguard Biofungicide / Bactericide 2.5 Gallon-NWGSupply.com
Save 27%
$380.38
$278.71

GH Defguard Biofungicide / Bactericide 2.5 Gallon

General Hydroponics

General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective ...

View full details
$380.38
$278.71
Save 27%
FoxFarm Force of Nature Fungicide Quart - Concentrate-NWGSupply.com
Save 16%
$37.95
$31.96

FoxFarm Force of Nature Fungicide Quart - Concentrate

Fox Farm

Force of Nature Fungicide controls Powdery Mildew on many types of crops such as melons, squash, tomatoes, tree crops, grapes, cucumbers and all so...

View full details
$37.95
$31.96
Save 16%
Greencure Fungicide 8oz-NWGSupply.com
Save 2%
$16.95
$16.65

Greencure Fungicide 8oz

GreenCure Solutions

GreenCure® is the environmentally friendly fungicide that has been proven to cure and prevent powdery mildew, black spot, downy mildew, blights, mo...

View full details
$16.95
$16.65
Save 2%
Greencure Fungicide 2 lbs-NWGSupply.com
$61.53

Greencure Fungicide 2 lbs

GreenCure Solutions

GreenCure® is the environmentally friendly fungicide that has been proven to cure and prevent powdery mildew, black spot, downy mildew, blights, mo...

View full details
$61.53
GreenCure, 8 oz-NWGSupply.com
Save 10%
$17.00
$15.26

GreenCure, 8 oz

GreenCure

GreenCure is a potassium bicarbonate-based fungicide used to control powdery mildew, black spot and other common plant diseases. GreenCure is recom...

View full details
$17.00
$15.26
Save 10%
GH Defguard Biofungicide / Bactericide Quart-NWGSupply.com
Save 23%
$50.30
$38.74

GH Defguard Biofungicide / Bactericide Quart

General Hydroponics

General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective ...

View full details
$50.30
$38.74
Save 23%
GreenCure 8 oz-NWGSupply.com
Save 7%
$16.95
$15.83

GreenCure 8 oz

Green Cure

GreenCure is a potassium bicarbonate-based, broad spectrum foliar fungicide that cures and prevents powdery mildew, black spot, downy mildew, botry...

View full details
$16.95
$15.83
Save 7%
Garden Fungicide RTU, 24 oz-NWGSupply.com
$11.89

Garden Fungicide RTU, 24 oz

Espoma

Safer Garden Fungicide prevents and controls black spot, rust, leaf spot and powdery mildew on fruits, vegetables and ornamentals. This natural sul...

View full details
$11.89
$11.89

Garden Fungicide RTU

Espoma

• Earth tone garden fungicide • For organic gardening • Copper soap fungicide • For flowers, fruits and vegetables • Use for early and late blight ...

View full details
$11.89