BONIDE Copper Fungicide RTU QT
Best organic disease control for home gardeners managing diverse plant beds.
Bonide Captain Jack’s Copper Fungicide RTS offers a ready-to-spray solution for protecting your garden from a wide range of fungal diseases. Its active ingredient, copper octanoate, forms a protective barrier on plants, effectively controlling blights, leaf spots, and mildews. This formula is suitable for organic gardening and is designed to be safer for beneficial insects when used as directed. The convenient hose-end sprayer ensures fast and even application on vegetables, fruits, flowers, and ornamentals, making plant care simple and efficient.
$18.38
More Copper Fungicide Options
Owner Satisfaction
4.6
/ 5
Category Rank
355
/ 1667
#355 in Pesticides
Price vs Category Average
-59%
Below average
Active Ingredient
Copper octanoate
/ Copper octanoate
Who it's for
- Organic gardeners seeking natural, non-synthetic protection
- Busy gardeners needing immediate, mess-free disease treatment
- Home growers managing diverse plant health issues
Who should skip it
- Proactive gardeners who prefer curative rather than preventative solutions
- Budget-conscious gardeners managing large-scale plant outbreaks
- Gardeners living in regions with intense, direct sunlight
Performance breakdown
Application Convenience
Hose-end sprayer makes treating large garden beds effortless and fast.
Disease Versatility
Broad-spectrum formula tackles blights, spots, and mildews with one bottle.
Organic Compatibility
Naturally derived copper allows for effective care in organic garden setups.
Beneficial Insect Safety
Formulated to protect your garden's essential pollinators during application.
Treatment Flexibility
Functions reliably as both a preventative barrier and a curative treatment.
Plant Coverage
Ready-to-spray design ensures uniform distribution across diverse foliage types.
Key Specs
Active Ingredient
Copper octanoate
Container Size
16 oz
Application Type
Ready-to-Spray (RTS)
Use on
Vegetables, fruits, roses, herbs, flowers, and ornamentals
Fertilizer Source
Organic
Application Method
Soil Drench
Organic Certified
false
Season of Application
All Season
Features
- Ready-to-spray for immediate use
- Connects to garden hose for easy application
- Controls broad spectrum of fungal diseases
- Works as preventative and curative treatment
- Formulated with naturally derived copper
- Suitable for organic gardening
- Safer for beneficial insects
What customers say
Customers consistently praise this Bonide fungicide for its exceptional ease of use, noting the ready to use spray bottle makes application straightforward even for novice gardeners. The primary sentiment revolves around its reliability in controlling common plant diseases like blight and powdery mildew. Many users report seeing quick, visible results, confirming its effectiveness as a preventative and curative treatment. While some mention the price point is slightly higher than concentrates, the convenience and proven performance justify the value for most consumers seeking a dependable solution for plant health.
Know before you buy
Yes, this product is safe for use on vegetables, fruits, herbs, and flowers. Always check the product label for specific pre-harvest intervals to ensure safety before consuming your produce.
The container attaches directly to your standard garden hose. Once connected, the sprayer automatically dilutes the concentrate as you spray, allowing you to cover large areas of your garden quickly and evenly.
While the formula uses naturally derived copper octanoate and is suitable for organic gardening practices, it is not officially OMRI-listed. You should verify your specific local requirements if you are strictly adhering to organic certification standards.
When used according to the label directions, this copper fungicide is designed to be safer for beneficial insects like bees and ladybugs compared to harsher synthetic chemicals. It primarily targets fungal pathogens rather than insects.
Yes, this fungicide works as both a preventative and a curative treatment. It creates a protective barrier on the plant surface to stop existing fungal infections from spreading and to prevent new spores from taking hold.
Still have a question?
Ask Hayley anything about this product before you decide.