Bonide Captain Jack’s Rose Rx 4-in-1 Concentrate
Best organic all-in-one solution for home gardeners managing pests and disease.
Protect your garden with Bonide Captain Jack’s Rose Rx 4-in-1 Concentrate, a powerful solution for a healthy garden. This versatile concentrate acts as a fungicide, insecticide, miticide, and nematicide, safeguarding roses, flowers, fruits, and vegetables. It effectively combats common pests like aphids and mites, while preventing diseases such as black spot and powdery mildew. Approved for organic gardening, it allows applications up to the day of harvest, ensuring your produce is safe and ready. Mix and apply as a foliar spray or drench for comprehensive pest and disease control.
$29.99
Owner Satisfaction
4.5
/ 5
Category Rank
56
/ 290
#56 in Lawn & Garden
Price vs Category Average
-8%
Below average
Formulation Type
Concentrate
/ Concentrate
Who it's for
- Plant owners needing a versatile treatment for diverse ornamental gardens
- Gardeners seeking an all-in-one solution for rose maintenance
- Eco-conscious growers prioritizing organic-compliant pest and disease management
Who should skip it
- Hands-off growers looking for a single, long-lasting seasonal treatment
- Busy hobbyists preferring the convenience of ready-to-use spray bottles
- Casual gardeners who might overlook strict application timing requirements
Performance breakdown
Versatility
Combines four essential garden treatments into one efficient, space-saving bottle.
Organic Compatibility
Certified for organic gardening with no waiting period before harvest.
Pest Eradication
Targets the full insect life cycle from eggs to mature adults.
Disease Prevention
Reliably stops common fungal issues like black spot and powdery mildew.
Application Ease
Requires manual mixing and consistent scheduling for optimal protective results.
Plant Safety
Gentle enough for delicate roses while remaining tough on garden invaders.
Key Specs
Formulation Type
Concentrate
Container Size
Pint
Application Interval
10-14 days
Use Restriction
Can be used up to the day of harvest
Physical State
Liquid
Features
- 4-in-1 action: fungicide, insecticide, miticide, nematicide
- Kills insect eggs, larvae, and adults
- Prevents common rose diseases like black spot
- Approved for organic gardening
- Can be used up to day of harvest
- Controls a wide range of pests and diseases
- Suitable for various garden plants
What customers say
Customers consistently praise Rose Rx for its powerful reliability, noting it effectively tackles common rose ailments like black spot and powdery mildew. Gardeners appreciate the convenience of a four in one concentrate, simplifying their care routine significantly. While the initial cost is noted, the product's proven efficacy and versatility make it a worthwhile investment, delivering healthier, more vibrant blooms with minimal fuss.
Know before you buy
This concentrate is formulated to act as a fungicide, insecticide, miticide, and nematicide simultaneously. It is designed to manage both common garden pests—like aphids and mites—and fungal diseases such as powdery mildew and black spot in a single application.
Yes, it is approved for organic gardening and can be used on vegetables, fruits, and flowers. Because it is safe to use up until the day of harvest, you do not need to worry about long waiting periods before consuming your produce.
For effective control, you should apply the mixture every 10 to 14 days. Always ensure you follow the mixing instructions on the label to achieve the correct concentration for your specific plants.
Yes, it is effective against insects at various stages, including eggs, larvae, and adults. This helps break the reproductive cycle of common garden pests to prevent future infestations.
You can use this product as either a foliar spray or a soil drench. A foliar spray is generally best for treating existing fungal issues on leaves, while a drench can be useful for targeting soil-borne pests.
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$30