SKU: 29631452601
organic herbicides for weeds

organic herbicides for weeds Captain Jack's Lawnweed Brew Selective Post-Emergent Weed Killer (Home – Green Earth Ag & Turf

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Description

organic herbicides for weeds Captain Jack's Lawnweed Brew Selective Post-Emergent Weed Killer (Home – Green Earth Ag & TurfIron Selective Weed Killers (For Spraying on Turf to Kill Only Weeds) Captain Jack's Lawnweed Brew (formerly Bonide Weed Beater Fe)* is a selective, broadleaf weed killers that kill only the weeds and not the desired turf. Similar to FIESTA, the specially formulated iron solution in Captain Jack's Lawnweed Brew is a game changers in the organic lawn care industry, a weed killer that does not contain toxic synthetic compounds. The choice of

Iron Selective Weed Killers (For Spraying on Turf to Kill Only Weeds)

Captain Jack's Lawnweed Brew® (formerly Bonide Weed Beater® Fe)* is a selective, broadleaf weed killers that kill only the weeds and not the desired turf.  Similar to FIESTA, the specially formulated iron solution in Captain Jack's Lawnweed Brew is a game changers in the organic lawn care industry, a weed killer that does not contain toxic synthetic compounds.  The choice of professional applicators, this iron-based weed killer leaves lawns healthy and weed-free, now in small, easy-to-use sizes!

Captain Jack's Lawnweed Brew works quickly, delivering visible same-day results, even in cool weather. With a unique ground breaking iron-based formulation, Captain Jack's Lawnweed Brew is highly effective and has no unpleasant odor. Pets and people can re-enter the treated area as soon as the spray is dry, the minimal period allowed by the EPA. Suitable for broadcast application (entire lawn) or spot treatment, Captain Jack's Lawnweed Brew helps your lawn look its best without toxic, environmentally-harsh synthetic chemicals. Now you can treat your own lawn with professional-grade results!

For larger concentrated formulas for your selective weed killer needs, check out FIESTA!

*Compared to Iron-X™ and Pulverize weed killer for lawns, Captain Jack's Lawnweed Brew are the same formulations available for much lower prices; but with the great technical service from the scientists at GrowItNaturally.com!

Bonide Captain Jack's Lawnweed Brew Benefits

  • Liquid selective herbicide that effectively kills broadleaf weeds in the lawn.
  • Works fast and weed control can be seen in the same day.
  • Three benefits from one application – green-up, post emergent broadleaf weed control, and early post emergent crabgrass control (up to the four-leaf stage) per three years of data from Rutgers University.
  • Made with iron, Does Not contain the synthetic weed chemicals 2,4-D or Dicamba!
  • People and pets can enter treated area when spray dries.
  • No unpleasant odor.
  • Rain-fast in 3 hours.
  • Effective even in cool weather.
  • The exact same product ingredients as Iron X!™ Selective Weed Killer at about 1/8 the price!

Bonide Captain Jack's Lawnweed Brew Application Instructions

Bonide Captain Jack's Lawnweed Brew (Concentrate) Application Instructions

Large Areas (Broadcast Sprays):

  1. Add 5 oz. of Weed Beater Fe per gallon of water.
  2. Apply 2.5 gallons of water per 1,000 sq. ft. (or 12.5 oz. product per 2.5 gallons of water per 1,000 square feet).
  3. Repeat in 3-4 weeks for optimal knockdown of weeds.

Spot Sprays:

  1. Use 5 oz. of Weed Beater Fe per gallon of water and spray enough to wet weeds as needed.

Captain Jack's Lawnweed Brew Ready-To-Use Application Instructions

  1. Shake well before use.
  2. Do not dilute.
  3. Thoroughly spray weeds.
  4. Use a coarse nozzle setting to reduce drift.
  5. Repeat treatment in 3 to 4 weeks for best results. 

Bonide Captain Jack's Lawnweed Brew General Application Notes

  • Thoroughly spray weeds to point of runoff.
  • Ensure turf is well watered prior to application.
  • Do not apply when the daytime temperature will be below 50°F or above 85°F.
  • Do not apply to bentgrass.
  • Iron can stain some stone, concrete, clothes, equipment and other such things. Any desirable plants or structures accidentally contacted should be rinsed with water.
  • Do not apply to stressed lawns, such as drought stress.
  • Use standard spray equipment, with a coarse nozzle, such as a hand-held or backpack sprayer.  Hose-End sprayers are not compatible.
  • Repeat treatment in 3 to 4 weeks for best results and a longer-lasting weed kill.
  • Occasionally a darkening of the grass leaf blades can occur; however the grass will recover within a few days to weeks.
  • Allow 3 hours before rain or watering so the product can dry.
  • Do not apply during windy conditions to avoid over-spray.
  • May leave a rusty stain on concrete, pavers or other lightly colored areas; avoid such areas when spraying turf.

Bonide Captain Jack's Lawnweed Brew Ingredients

Captain Jack's Lawnweed Brew Ready to Use: 
Iron HEDTA (FeHEDTA) ............ 1.5%

Captain Jack's Lawnweed Brew Concentrate: 
Iron HEDTA (FeHEDTA) ............ 26.52%

    Captain Jack's Lawnweed Brew Available Sizes

    • 1 Quart Ready-To-Use Trigger Sprayer (Coverage Varies by Use).
    • 1 Quart Hose-End Sprayer (Coverage Varies by Use).
    • 1 Gallon Ready-To-Use Sprayers (Coverage varies by Use).
    • 1 Pint Concentrate (Covers 1,250 Square Feet).
    • 1 Quart Concentrate (Covers 2,500 Square Feet).

    For larger concentrated formulas for your selective weed killer needs, check out FIESTA!


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      Homeowners can now order the same great products that the pros use through our online store by clicking below.  







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      Exchange/Return Notes
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      • Final sale items are not eligible for returns or exchanges.
      • To process your return/exchange, please contact us at [email protected]
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      SKU: 29631452601

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      4.7 ★★★★★
      Based on 13 reviews
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      L
      Liz
      Lexington, US
      ★★★★★ 5
      Works better than more expensive ones
      Color: Pink
      This shaver surprisingly works really well. I don't really have hair long enough to use an electric shaver, but the other end, the foil type shaver works really well, even on very short hair. It left my skin actually smooth, which is better than most of these types of shavers, which leave it close to smooth but actually kind of just really short, so you can feel it even if you can't see it. This felt much smoother than other shavers I've tried. I like that there's less skin damage than a razor. It's smaller than is shown in the photos, which is actually good because it's better for travel. In the photos, it looks comically large, but it just looks like a normal pink shaver in person. It's actually a good size for every day use. It would probably be okay for travel, but it's definitely not mini. It would probably be good for keeping an undercut fresher. The price, at $30, is lower than many other brands that I've seen/tried. I've tried several with $50 price tags that are only the foil end and didn't work as well as this one, and we're half the shaver this one is. At least on first impression, this is a good quality and decent value. Hopefully, it stands the test of time. Update: I was not planning on using it for this, but my very fat and old cat gets the occasional knot in the spring when he's shedding, and OMG, this is the best shaver I've used on a cat. It glides like butter to skin short. It takes a literal second. This thing is amazing.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on May 13, 2026
      D
      Verified Purchase
      Debra K. Luke
      Bozeman, US
      ★★★★★ 1
      Buyer Beware
      Color: Blue
      Product comes with no instructions on how to operate it , just a small enclosure telling you how to disassemble it. Mine would not work even after I charged it.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on May 24, 2026
      A
      Amazon Customer
      Battle Creek, US
      ★★★★★ 4
      Lightweight and Easy to Use - A Solid Option for Occasional Trimming
      Color: Pink
      I received this trimmer through the Amazon Vine program in exchange for an honest review. I was drawn to it partly because of the dual-head design - having both a trimmer and a shaver head in one device seemed useful. I also noticed that it was marketed for sensitive skin, which I thought was important given the sensitive area this is intended for. My first impression was that it's pretty lightweight and feels comfortable to hold. The pink plastic color looks decent enough, and while lightweight, the build quality seems solid enough for the price point. One of the first things I noticed when I turned it on was the LED light near the head - I wasn't sure how useful that would actually be going in, but it turns out it is actually helpful for visibility in hard-to-see areas. The digital display showing the battery percentage is also a nice to have, so you at least have some warning about when to charge it. The device can be used both wet and dry, which adds flexibility.The main shaver blade is gentle - no redness or irritation. It does trim efficiently and moves through hair evenly. I will say it's not completely silent, and like other trimmers it may leave a little more behind compared to a manual razor. But for general use and maintenance, it does the job well. Overall, I've been pleased with how it performs so far. It's lightweight, easy to handle, gentle on the skin, and the added features like the LED light and digital battery display feel like genuine usability improvements rather than just marketing extras. If you're looking for a straightforward, no-fuss trimmer for sensitive skin and occasional or regular use, this is a decent choice at this price. It covers a lot of different areas - bikini line, underarms, legs, face - so it's versatile enough to replace other tools you may have.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on June 5, 2026
      L
      Verified Purchase
      Lina Ocampo
      Natrona Heights, US
      ★★★★★ 5
      I bought it out of curiosity, and now it’s part of my weekly routine
      After seeing so many electric shavers for women online, I decided to try this one because I liked that it came with multiple attachments and claimed to be gentle on sensitive skin. Honestly, I expected it to be just another grooming gadget, but it ended up surprising me in the best way. The first thing I noticed was how lightweight and comfortable it feels to hold. Right out of the box, it looked elegant and well-designed, which I personally appreciate because I love products that are both practical and aesthetically pleasing. Plus, the different attachments are actually useful and not just included for decoration. I first tested it on my legs and was genuinely surprised by how smooth and gentle it felt. No pulling, no irritation, and that alone was a huge win for me because my skin usually reacts easily after shaving. I later used it on my underarms and bikini area, and I really liked how delicate and comfortable it felt on sensitive areas. One feature that made my routine so much easier is that I can use it both dry and in the shower. Some days I’m in a rush and can quickly do touch-ups before heading out. I also love that it’s cordless because it makes everything more convenient and easy to use. The battery life is actually impressive, and the LED display is super helpful for knowing when it needs charging. I feel like products like this make personal care routines simpler and less stressful. It’s obviously not the same as a spa treatment, but for everyday grooming it truly does a great job and leaves my skin feeling smooth without the hassle of traditional razors. Definitely one of those purchases that ended up being more worth it than I expected.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on May 19, 2026
      C
      Verified Purchase
      C K
      Carnegie, US
      ★★★★★ 5
      Easy to hold on to and shaves great
      This shaver is of good quality. I like that the feel is kind of rubbery so it's easy to hold on to, it is small and easy to use. It charges up quickly also.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on June 6, 2026

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