Premium patio lawn and garden quality selected for United States (USA) customers.
Bonide
Bonide Captain Jack Copper Fungicide 16 oz Concentrated — Plant Disease Control for Organic Gardening (Pack of 2)
High-performance patio lawn and garden made for confident daily results
3 shoppers currently have this item in cart.
Low stock: only 5 left in inventory. Add to cart before it's gone.
Fast dispatch with always-free shipping and secure checkout on every order.
Free shipping
iFree shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.
Easy returns
iSimple return flow and responsive support for eligible items.
Peak-demand shipping delays
iDuring high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.
24/7 customer support
Questions before checkout? Our team is available and ready to help.
Terms quick view
100% money-back guarantee for eligible returns.
Orders include free shipping. Returns and service terms may vary by item eligibility and destination.
Why customers choose PatioZora Garden
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.
FAQ
Q: What diseases does Bonide Captain Jack Copper Fungicide protect against?
A: It helps control powdery mildew, downy mildew, black spot, peach leaf curl, rust, and other listed diseases.
Q: Is this product suitable for organic gardening and safe around people and pets?
A: Yes, it is approved for organic gardening and can be used up to the day of harvest when used as directed.
Recently viewed products
Product quick view
Product
Added to cart