Bonide Captain Jack's Rose Rx 4-in-1 Insect & Disease Control, 16 oz Ready-to-Use Spray Neem Oil for Organic Gardening
Bonide Captain Jack's Rose Rx 4-in-1 Insect & Disease Control, 16 oz Ready-to-Use Spray Neem Oil for Organic Gardening
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Bonide Captain Jack's Rose Rx 4-in-1 Insect & Disease Control, 16 oz Ready-to-Use Spray Neem Oil for Organic Gardening

4.4 stars out of 168 reviews
(4.4)|
168 ratings

Key item features

  • Versatile Plant Protection: This 4-in-1 solution acts as a biological fungicide, insecticide, miticide, and nematicide, offering comprehensive control for insects, diseases, and mites on a wide variety of plants.
  • Organic Gardening Approved: Formulated with cold-pressed neem oil, this product is approved for organic gardening and can be applied up to the day of harvest, ensuring safe use for edible plants.
  • Broad Pest Control: Effectively kills insect eggs, larvae, and adult stages of pests like aphids, whiteflies, mites, and beetles, either on contact or by ingestion, for total pest management.
  • Disease Management: Controls common plant diseases such as Black Spot, Powdery Mildew, Downy Mildew, Anthracnose, Rust, Scab, Mildew, and Blight, acting as a preventative measure when applied before disease presence.
  • Ready-to-Use Convenience: Comes in a 16 oz ready-to-use spray bottle, providing over 300 spray applications, ideal for smaller gardens and convenient application as a foliar spray or soil drench.
  • Extensive Plant Application: Designed for use on roses, flowers, houseplants, ornamental trees and shrubs, fruits, nuts, vegetables, herbs, and citrus plants, both indoors and outdoors.
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Bonide Captain Jack's Rose Rx 4-in-1 Insect & Disease Control, 16 oz Ready-to-Use Spray Neem Oil for Organic Gardening $6.24 Was $18.00

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Customer ratings & reviews

4.4 out of 5 stars
stars168 ratings71 reviews
How item rating is calculated
  1. 5 stars71% (120)
  2. 4 stars13% (22)
  3. 3 stars6% (10)
  4. 2 stars2% (3)
  5. 1 star8% (13)

Reviews summary

Pros
  • : Effective on multiple types of plants.
  • : Quickly eliminates bugs and prevents fungus growth.
  • : Helps eliminate spider mites without harming other beneficial insects.
  • : Quickly controls aphid problems.
  • : Leaves are clear of fungal spots and pests.
Cons
  • : Has an unpleasant odor that may be bothersome.
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Showing 1-3 of 71 reviews

Dec 1, 2025
Jeremy
5 out of 5 stars review

Verified Purchase

Bought on sale towards the end of the growing season when I moved some outdoor plants into a 4 season sunroom. Spray took care of the little gnats and flies that followed plants inside with one application. Will buy again when needed

Helpful?6V0W8HFLX86E528635768
Dec 16, 2025
AMY
Top Reviewer
5 out of 5 stars review

Verified Purchase

Works Well

I have three miniature indoor roses and they had spider mites, once I applied this I no longer had the issue.

Helpful?6V0W8HFLX86E528635768
Aug 13, 2024
Rikkyb
5 out of 5 stars review

Verified Purchase

Good results

This did what it says. Quickly got rid of black spot on my rose bush, new leaves came in and it looks much healthier. You will probably need to spray weekly to keep working. Worth the money to repair my infected roses.

Helpful?6V0W8HFLX86E528635768
reply from Team Bonide

So happy that it helped your rose bush!