10 Best copper fungicides of 2025

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Best Choice

1

Monterey

Monterey Liqui-Cop 4ea/1gal GL61100506322 GL61100506322
9.9

Exceptional

Our Rating
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Value for Money

2

Bonide

Bonide Captain Jack Copper Fungicide 16 oz Concentrated Plant Disease Control Solution for Organic Gardening (Pack of 2)

13% Off
9.8

Exceptional

Our Rating
3

Bonide
Bonide Captain Jack's Copper Fungicide, 32 oz Ready-to-Use Spray for Organic Gardening, Controls Common Diseases
Main highlights

Copper Fungicide Benefits
Controls and prevents blight, black spot, and powdery mildew.

Ideal for Organic Gardening
Suitable for fruits, vegetables, and ornamentals, even until harvest.

Customer Praised Effectiveness
Highly effective in treating black spots on roses and other plants.
9.7

Exceptional

Our Rating

9.3
Simple to use

8.2
Aroma

8.0
worth the money
4

Bonide
Bonide Captain Jack Copper Fungicide 16 oz Concentrated Plant Disease Control Solution for Organic Gardening
Main highlights

Effective Disease Control
Copper Fungicide controls blight, black spot, and mildew effectively.

Versatile Usage
Ideal for fruits, vegetables, ornamentals, and lawns.

Organic Gardening Approved
Praised for being safe and suitable for organic produce.
Key specs
- Item Form:Liquid
- Ingredients:Copper Fungicide
- Product Dimensions:2.13 x 4 x 6.75 inches
- Application:Mix with water
- Country of Origin:USA
9.4

Excellent

Our Rating

9.3
Simple to use

9.3
Easy to use

8.9
worth the money
5

Bonide
Bonide Captain Jack's Copper Fungicide, 16 oz Ready-to-Spray Disease Control for Organic Gardening, Controls Mildew & Blight

12% Off
Main highlights

Ready-to-Spray Convenience
This fungicide comes ready-to-spray, just attach to a hose for easy application.

Ideal for Organic Gardens
Approved for organic gardening, perfect for fruits, vegetables, ornamentals.

User-Friendly Application
Customers praise its simple hose attachment and effective disease control.
9.3

Excellent

Our Rating

8.0
Simple to use

8.0
Precision

8.0
worth the money
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6

Southern Ag
Southern Ag - Liquid Copper Fungicide - Fungicide, 16oz
Main highlights

Effective Disease Control
Controls diseases caused by bacteria and fungi with a potent copper formula.

Garden and Ornamental Use
Ideal for ornamental plants, moss, and algae control in gardens.

Customer Satisfaction
Highly rated for effectiveness in treating plant fungal diseases.
9.2

Excellent

Our Rating

9.7
Precision

9.3
Simple to use

8.9
worth the money
7

Southern Ag
Southern Ag Liquid Copper Fungicide, 32oz - Quart
Main highlights

Effective Disease Control
Controls diseases caused by bacteria and fungi, ensuring healthier plants.

Versatile Application
Ideal for use on tomatoes, roses, boxwoods, junipers, and crepe myrtles.

Non-Damaging Formula
Praised for not damaging vegetation while effectively controlling fungus.
9.0

Excellent

Our Rating

9.3
Simple to use

8.9
worth the money

8.2
Aroma
8

Natria

Natria Disease Fungus Control with Copper Fungicide, Ready-to-Use, 24 oz
8.9

Very Good

Our Rating
9

Bonide
BONIDE PRODUCTS 775 Ready-to-Use Copper Fungicide, 32-Ounce [2-Pack]
Main highlights

Key Features and Benefits
Organic, ready-to-use liquid copper fungicide, effectively controls a wide range of plant diseases. Safe up until day of harvest.

Ideal Use Cases
Perfect for fruits, vegetables, ornamentals. Exceptional for treating blight, black spot, powdery mildew, and peach leaf curl.

Customer Reviews Summary
Most praised for its ease of use with the ready-to-use spray bottle, and effectiveness in disease prevention and control.
8.7

Very Good

Our Rating

9.9
Simple to use

9.1
worth the money

8.7
Aroma
10

Bonine

Bonide 811 Copper 4E Fungicide 16oz (473ML) (2 Pack)
8.6

Very Good

Our Rating

10 Best copper fungicides of 2025

1

Monterey Liqui-Cop 4ea/1gal GL61100506322 GL61100506322

How do we rank?

How do we rank?

Analyzing top stores

2

Bonide Captain Jack Copper Fungicide 16 oz Concentrated Plant Disease Control Solution for Organic Gardening (Pack of 2)

3

Bonide Captain Jack's Copper Fungicide, 32 oz Ready-to-Use Spray for Organic Gardening, Controls Common Diseases

9.3

8.2

8.0

4

Bonide Captain Jack Copper Fungicide 16 oz Concentrated Plant Disease Control Solution for Organic Gardening

9.3

9.3

8.9

5

Bonide Captain Jack's Copper Fungicide, 16 oz Ready-to-Spray Disease Control for Organic Gardening, Controls Mildew & Blight

8.0

8.0

8.0

6

Southern Ag - Liquid Copper Fungicide - Fungicide, 16oz

9.7

9.3

8.9

7

Southern Ag Liquid Copper Fungicide, 32oz - Quart

9.3

8.9

8.2

8

Natria Disease Fungus Control with Copper Fungicide, Ready-to-Use, 24 oz

9

BONIDE PRODUCTS 775 Ready-to-Use Copper Fungicide, 32-Ounce [2-Pack]

9.9

9.1

8.7

10

Bonide 811 Copper 4E Fungicide 16oz (473ML) (2 Pack)

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