Bonide Captain Jack's Copper Fungicide
Best reliable solution for organic gardeners managing persistent plant diseases.
This copper-based concentrate is the ultimate insurance policy for your garden, tackling everything from blight to powdery mildew without harsh chemicals. Because it is organic and safe to use right up until harvest day, you get the peace of mind to treat your plants without worrying about what ends up on your dinner plate.
$24.99
at
Candboutfitters
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Who it's for
- Gardeners seeking a versatile solution for diverse plant diseases
- Eco-conscious growers prioritizing organic-certified pest and disease control
- Busy homeowners looking for a simple, fast-acting treatment process
Who should skip it
- Ornamental gardeners concerned about the visual appearance of their foliage
- Plant owners in hot climates or those growing delicate varieties
- Low-maintenance hobbyists who prefer a single-application treatment
Performance breakdown
Disease Versatility
Broad-spectrum coverage handles everything from blight to common leaf spot.
Harvest Flexibility
Zero-day harvest interval allows for worry-free application on edible crops.
Organic Compatibility
Fully certified for organic gardening standards and sustainable growing practices.
Concentration Efficiency
Liquid concentrate format offers significant value and long-term garden coverage.
Application Ease
Simple mixing process makes routine spraying straightforward for most gardeners.
Treatment Persistence
Requires consistent reapplication to maintain protection against aggressive fungal outbreaks.
Key Specs
Active Ingredient
Copper
Formulation Type
Liquid Concentrate
Volume
16 fluid ounces
Weight
1.28 lbs
Organic Certified
Yes
Application Method
Foliar Spray
Target Diseases
Blight, Powdery Mildew, Downy mildew, black rot, leaf spot, peach leaf curl
Plant Compatibility
Vegetables, Fruit Trees, Ornamentals, Herbs
Indoor/Outdoor Use
Outdoor
Pre-Harvest Interval
0 days
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