Bonide Liquid Copper Fungicide Concentrate
Best organic disease control for home fruit and vegetable gardeners.
Control common plant diseases effectively in your lawn and home garden using Captain Jack’s Ready-to-Spray Liquid Copper Fungicide. This concentrate is approved for organic gardening and suitable for a wide range of listed fruits, vegetables, nuts, herbs, and flowers. It is effective against numerous fungal issues, including downy mildew, black rot, leaf spot, powdery mildew, and blight. The product can be applied right up to the day of harvest. For optimal results, mix according to the label instructions and apply thoroughly to all plant surfaces using a sprayer, repeating the application every 7 to 10 days as necessary.
$20.99
Owner Satisfaction
4.5
/ 5
Category Rank
174
/ 392
#174 in Disease Control
Price vs Category Average
-81%
Below average
Who it's for
- Gardeners managing diverse fungal and bacterial plant issues
- Organic growers needing certified safe disease control
- Budget-conscious gardeners treating large outdoor spaces
Who should skip it
- Gardeners in hot, humid climates with sensitive plants
- Busy growers unable to manage frequent, weather-dependent applications
- Eco-conscious gardeners concerned about long-term soil health
Performance breakdown
Disease Spectrum Coverage
Broad-spectrum formula tackles everything from common blights to stubborn fungal spots.
Organic Compatibility
Certified for organic gardening, making it safe for edible home harvests.
Application Versatility
Effective during both dormant stages and active growing seasons for year-round protection.
Harvest Safety
Zero-day harvest interval allows for worry-free application on fruits and vegetables.
Mixing Convenience
Concentrate format requires manual dilution, which is less convenient than ready-to-use sprays.
Treatment Longevity
Consistent seven to ten-day application cycles provide reliable, ongoing plant defense.
Features
- Controls a wide spectrum of common plant diseases
- Approved for use in organic gardening programs
- Can be applied up to the day of harvest on listed crops
- Effective against fungal diseases like mildew, blight, and leaf spot
- Suitable for both dormant and growing season applications
- Comes in a convenient concentrate format for mixing
What customers say
Gardeners overwhelmingly trust Bonide Liquid Copper Fungicide for its potent efficacy against widespread fungal diseases like blight and mildew. Users value this product as a reliable workhorse that quickly saves threatened crops. The concentrated formula offers excellent value, requiring minimal product per application. While the copper base demands strict adherence to mixing instructions to prevent potential leaf burn during hot weather, the overall consensus confirms its status as an indispensable, high quality fungicide. Its versatility provides peace of mind for maintaining healthy, productive gardens.
Know before you buy
Yes, this product is approved for organic gardening and can be safely applied to fruits, vegetables, nuts, and herbs. You can harvest your crops the same day you apply the fungicide, provided you follow the label instructions.
It is effective against a broad range of common fungal issues, including downy and powdery mildew, black rot, leaf spot, and various types of blight.
Yes, this fungicide is suitable for both dormant and growing season applications, making it a versatile tool for year-round disease management in your garden.
For ongoing protection, you should repeat the application every 7 to 10 days. Always ensure you are thoroughly coating all plant surfaces during each application.
Because this is a concentrate, you will need to mix it with water according to the label instructions and apply it using a standard garden sprayer.
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$21