Bonide® Captain Jack’s™ Copper Fungicide Concentrate, 16 oz.

While common treatments often fall short, this professional-grade liquid copper concentrate delivers a decisive blow to a wide array of blights and mildews. By creating a protective barrier on leaves, stems, and even the soil, it ensures your fruits, vegetables, and ornamentals remain vibrant and productive throughout the entire growing season.

The Results You’ll See

• Disease-Free Harvests: Effectively eliminate destructive blights and spots that can ruin your fruits and vegetables.
• Vibrant, Healthy Foliage: Experience lush, green leaves free from unsightly powdery mildew, rust, and black spot.
• Superior Plant Resilience: Foster stronger plants by protecting leaves, stems, and soil from over 25 common fungal and bacterial diseases.

Key Features

• Broad-Spectrum Protection: Controls or suppresses over 25 diseases, including Anthracnose, Fire Blight, Downy Mildew, and Scab.
• Versatile Application: Safe and effective for use on vegetables, fruits, ornamentals, lawns, and more.
• Safe & Natural: An all-natural formula that provides powerful protection while remaining gentle on your garden environment.
• Concentrated Value: This 16 oz. bottle is highly economical, making up to 32 gallons of finished spray.
• Harvest-Day Safe: Can be used up to the very day of harvest!
• Indefinite Shelf Life: A dependable staple that stays effective in storage until you need it most.

How It Works

Think of your garden’s environment as a battlefield where moisture and heat invite disease. Bonide® Captain Jack’s™ Copper Fungicide acts as a protective shield. By applying this natural copper solution directly to your plants, you create an environment where harmful fungi and bacteria cannot survive, ensuring your garden remains the envy of the neighborhood.

Diseases Controlled or Suppressed

This comprehensive formula targets a massive variety of garden threats, including:

• Blights: Early & Late Blight, Alternaria Blight, Bacterial Common Blight, Bacterial Halo Blight, Botrytis Blight, Fire Blight, Pseudomonas Blight, and Septoria Late Blight.
• Spots & Roats: Black Spot, Bacterial Speck, Bacterial Spot, Angular Leaf Spot, Cercospora Early/Leaf Spot, Septoria Leaf Spot, and Black Rot (Xanthomas).
• Mildews & Molds: Powdery Mildew, Downy Mildew, and Blue Mold.
• Additional Threats: Anthracnose, Bacterial Canker, Cane Spot, Collar Rot, Coryneum Blight, Gray Leaf Spot, Leaf Scorch, Phomopsis, Purple Blotch, Scab, and Sooty Blotch.

How to Use

• Mix: Combine 0.5 oz. (1 tablespoon) of concentrate with one gallon of water in a clean spray bottle or tank sprayer.
• Apply: Spray a fine mist directly onto the leaves, stems, and surrounding soil until the plant is thoroughly covered.
• Timing: For best results, apply at the first sign of disease or as a preventative measure when weather conditions are damp and cool.
• Frequency: Repeat every 7-10 days as long as needed to maintain total control over garden diseases.

Frequently Asked Questions

Is it safe for my vegetable garden?
Yes! It is specifically designed for use on edible crops and is safe to use right up until the day you harvest.

What diseases does it treat?
It is highly effective against a long list of issues including Early and Late Blight, Powdery Mildew, Black Spot, Rust, and many bacterial spots and blights.

Can I use it on my lawn?
Absolutely. It is safe for use on lawns to control various fungal issues that can cause thinning or browning.

Will rain wash it off?
Once the spray has completely dried on the plant surfaces, it becomes weather-resistant. However, during periods of heavy or prolonged rain, reapplication every 7 days is recommended.

How soon will I see results?
While copper fungicide primarily works to stop the spread of disease, you will typically see an improvement in the health of new growth within 7 to 14 days of the first application.