Captain Jack’s Liquid Copper Fungicide from Bonide helps control common plant diseases on edibles, ornamentals, and lawns. This 16 oz concentrate is approved for organic gardening and is effective against powdery mildew, downy mildew, blight, black spot, and more. Mix per label directions and apply with a sprayer for thorough coverage.
Key Features:
Organic Gardening Approved: Suitable for use on fruits, vegetables, herbs, flowers, lawns, shrubs, and trees
Broad Disease Control: Targets powdery mildew, downy mildew, blight, black spot, peach leaf curl, and more
Concentrated Formula: 16 oz pint concentrate with various mix rates for flexible application
Easy Application: Mix per label, shake well, cover plants completely, and repeat every 7–10 days
Trusted Brand: Part of Bonide’s Captain Jack’s line for reliable garden disease control
Specifications Table:
Specification
Details
Form
Liquid concentrate
Net contents
16 fl oz (473 mL)
Active ingredient
Copper Octanoate (Copper Soap) – from label imagery
Use sites
Edibles, flowers, houseplants, lawns, ornamentals, shrubs, trees (see label for full list)
Primary diseases controlled
Powdery mildew, downy mildew, blight, black spot, peach leaf curl and more
Application frequency
Repeat every 7–10 days as needed
Organic suitability
Approved for organic gardening
Frequently Asked Questions (FAQ):
Q: What plants can I use this on? A: Use on listed fruits, vegetables, nuts, herbs, flowers, lawns, ornamentals, shrubs, trees, and houseplants; see label for full list.
Q: Is it safe for organic gardening? A: Yes, it is approved for organic gardening when used as directed.
Q: How often should I apply? A: Apply thoroughly and repeat every 7–10 days as needed; follow label instructions.
Q: Can I use it up to harvest? A: Yes, it can be applied up to the day of harvest on listed crops; check label for specifics.
Q: How do I mix and apply? A: Mix according to label rates, shake well, and apply with a plant sprayer to cover tops and undersides of leaves.
Cultivate Vibrant, Disease-Free Greenery
This copper concentrate brings a crisp, polished look to your garden by keeping foliage fresh and blemish-free. I love how its targeted control of powdery mildew and blight preserves the lush textures and radiant colors of beds and planters. Style your outdoor spaces with layered edibles and ornamentals knowing each leaf is protected. It’s a discreet essential for achieving refined, luxurious garden living.
Protect your plants with Captain Jack’s Liquid Copper—mix, spray, and keep your garden thriving season after season.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.
Why choose us
The Arbor Way
• Lowest Prices. Easy Online Shopping. Fast Delivery.
• No lines. No holds. No Hassles.
• America's Largest Inventory Network for All Home Improvement Supplies Nationwide.