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Bonide Copper Fungicide RTS (16oz)

Original price $31.99 - Original price $31.99
Original price
$31.99
$31.99 - $31.99
Current price $31.99
16.0oz | $2.00 / oz

Bonide Captain Jack’s Copper Fungicide RTS (16oz)

Protect your garden and ornamentals with Bonide Captain Jack’s Copper Fungicide RTS. This ready-to-spray, low-impact formula is expertly designed to treat and prevent a wide array of fungal diseases while remaining suitable for organic gardening.

Whether you are tackling an active infection or taking preventative measures, this fungicide creates a strong protective barrier on plant surfaces to halt the development of fungal pathogens in their tracks.

Key Features & Benefits:

  • Broad Spectrum Control: Effectively tackles and prevents early and late blights, leaf spots, downy mildew, powdery mildew, rust, and anthracnose.

  • Naturally Derived: Formulated with copper octanoate—a compound derived from a naturally occurring mineral—making it a great choice for organic gardening and safer for beneficial insects when used as directed.

  • Versatile Protection: Highly effective across a wide variety of plants, including vegetables, fruits, roses, herbs, flowers, and ornamentals.

  • Dual-Action Formula: Works perfectly as both a proactive preventative shield and a curative treatment for existing fungal issues.

Effortless Application:

  • Ready-to-Spray (RTS): The convenient 16oz bottle connects directly to your standard garden hose, ensuring fast, even, and completely hassle-free coverage.


This copper fungicide is an excellent addition to a broader integrated pest management strategy. For more solutions to protect your garden, visit our full line of Organic Pest Control products.

Frequently Asked Questions

How does Bonide Copper Fungicide RTS work to protect my plants from fungal diseases?
Bonide Copper Fungicide RTS creates a protective barrier on plant surfaces, preventing and treating a wide range of fungal infections such as blights, powdery mildew, rust, and more, ensuring healthy plant growth.
Is Bonide Copper Fungicide RTS safe for organic gardening and beneficial insects?
Yes, Bonide Copper Fungicide RTS is formulated with copper octanoate, a naturally derived compound, making it suitable for organic gardening and safe for beneficial insects when used as directed.
Can I use Bonide Copper Fungicide RTS on vegetables and ornamental plants?
Absolutely, Bonide Copper Fungicide RTS is versatile and effective on a broad variety of plants including vegetables, fruits, roses, herbs, flowers, and ornamentals, providing dual-action preventative and curative protection.
How do I apply Bonide Copper Fungicide RTS for the best results?
Simply connect the 16oz bottle to your garden hose for easy, even coverage. Its ready-to-spray formulation ensures quick and hassle-free application on your plants.
Is Bonide Copper Fungicide RTS suitable for preventing fungal problems before they occur?
Yes, its dual-action formula works both as a preventative shield and a curative treatment, making it effective for before and after fungal disease develops on your plants.