Bonide Captain Jack Copper Fungicide 16 oz Concentrated — Plant Disease Control for Organic Gardening (Pack of 2)

Overview

Bonide Captain Jack Copper Fungicide is a copper-based concentrate designed for flexible, organic-friendly plant protection. Sold as a pack of two bottles, it combines concentrated power with straightforward mixing, making it simple to tailor coverage to your garden’s needs while staying within organic gardening guidelines.

When you mix this copper fungicide with water, you get a versatile treatment that can be applied with common sprayers, allowing you to target dense foliage and hard-to-reach plant areas. The liquid has a copper-rich profile that helps you address disease pressure across a variety of garden staples and landscape beds. It offers practical, season-long options for gardeners who want to balance performance with environmental considerations.

What it protects

• Powdery mildew
• Downy mildew
• Black spot
• Peach leaf curl
• Rust
• Other listed diseases

Where you can use it

• Vegetables
• Roses
• Fruits
• Nuts
• Herbs
• Ornamentals
• Turf

Why gardeners choose copper fungicides

• Organic gardening compatibility: suitable for use in organic programs and can be applied up to harvest when used as directed.
• Copper octanoate action: utilizes a naturally occurring copper compound for disease management.
• Easy mixing and application: blends quickly with water and works with hose-end or tank sprayers for broad coverage.

How to apply

• Read label directions carefully before mixing.
• Mix with water according to the label, then apply evenly to foliage for thorough coverage.
• Best results come from consistent applications aligned with your plants’ growth stages and weather conditions.

With a pack of two bottles, you’ll have a readily available supply to support ongoing protection through the growing season, while keeping your options flexible for different plant groups and landscape situations.

Always read and follow the product label. Use only on the pests and sites the label lists, at the label rate and interval, and observe the stated re-entry times for people, pets and pollinators.