Weed Killers

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Captain Jack's Deadweed Brew^® (Formerly BurnOut Formula II^® ) is a patented fast-acting weed, grass, algae, and moss killers that represent a new class of products for organic weed control that do not contain glyphosate or other toxic chemicals!  Utilizing concentrated and potent and non-staining fatty acids (soaps),  Captain Jack's Deadweed Brew is a non-selective herbicides and the best new top-of-the-line technology for fast-acting and through killing or suppression of many common annual, biennial, and perennial weeds, algae and mosses. A great organic product for use when conventional herbicides are banned or not desired!

For a larger, concentrated formula, with the same great results, check out FINALSAN!

How Does Captain Jack's Deadweed Brew Work?

Herbicidal soaps work by penetrating the waxy cuticle of plants, causing the plant to dehydrate and die. The active ingredients accumulate in plants and cause intracellular damage, leading to cell death. Activity is non-selective and will kill plants the soap comes into contact with, but will not translocate to underground portions of the plant or harm the bark of mature, woody plants.  Can be safely sprayed around the base of trees, shrubs, hops, grapes without worry.  

Use on weeds within vegetable and flower gardens, landscaped areas, lawns (for spot treatment only), in the vicinity of small fruits and fruit trees, around and on buildings, sidewalks, fences, bark mulch, driveways, patios and gravel.  Use on moss and algae, around and on buildings, roofs, decks, sidewalks, fences, bark mulch, driveways, patios and gravel. Finalsan can even be used in cool weather. Areas can be planted five days after treatment.

Captain Jack's Deadweed brew reduces tree toxicity risks and leaves no harmful residue in the soil. It won’t stain bricks, concrete or asphalt and people and pets can re-enter areas once spray dries.

OMRI Listed

NOW WITH FREE SHIPPING ON 250 GALLON TOTE SIZE ONLY

Finalsan^® is a patented fast-acting weed, grass, algae, and moss killers that represent a new class of products for organic weed control that do not contain glyphosate or other toxic chemicals!  Utilizing concentrated and potent and non-staining fatty acids (soaps), Finalsan is a non-selective herbicides and the best new top-of-the-line technology for fast-acting and through killing or suppression of many common annual, biennial, and perennial weeds, algae and mosses. A great organic product for use when conventional herbicides are banned or not desired!

We are excited to also now offer Finalsan in smaller, more home friendly sizes under the Captain Jack's Deadweed Brew Brand. You can now treat your own lawn with professional products and  professional-grade results!

How Does Finalsan Work?

Herbicidal soaps work by penetrating the waxy cuticle of plants, causing the plant to dehydrate and die. The active ingredients accumulate in plants and cause intracellular damage, leading to cell death. Activity is non-selective and will kill plants the soap comes into contact with, but will not translocate to underground portions of the plant or harm the bark of mature, woody plants.  Can be safely sprayed around the base of trees, shrubs, hops, grapes without worry.  

Use on weeds within vegetable and flower gardens, landscaped areas, lawns (for spot treatment only), in the vicinity of small fruits and fruit trees, around and on buildings, sidewalks, fences, bark mulch, driveways, patios and gravel.  Use on moss and algae, around and on buildings, roofs, decks, sidewalks, fences, bark mulch, driveways, patios and gravel. Finalsan can even be used in cool weather. Areas can be planted five days after treatment.

Finalsan reduces tree toxicity risks and leaves no harmful residue in the soil. It won’t stain bricks, concrete or asphalt and people and pets can re-enter areas once spray dries.

Prizefighter^® is part of a new class of natural weed killers that penetrates the cell wall of a weed, shutting down the flow of nutrients and disrupting cellular processes; thus breaking down weeds from the inside out - a much more through killing mechanism than slats or acids. Visible results are achieved within 15 minutes; green plant tissue is killed on contact due to the rapid desiccation of weed's foliage. Prizefighter’s versatility makes it a useful addition to your landscaping maintenance plan. 

Prizefighter can also be used as an insecticide to control Prizefighter™ is used for control of Adelgids, Aphids, Earwigs, Grasshoppers, Thrips, Lacebugs, Mites, Plantbugs, Psyllids, Sawfly Larvae, Scales, Tent Caterpillars, Whiteflies and Wooly Aphids (Not Approved for Use in California).  

Why is Prizefighter a Leading Organic Weed Killer?

Herbicidal soaps work by penetrating the waxy cuticle of plants, causing the plant to dehydrate and die. The active ingredients accumulate in plants and cause intracellular damage, leading to cell death. Activity is non-selective and will kill plants the soap comes into contact with, but will not translocate to underground portions of the plant or harm the bark of mature, woody plants.  Can be safely sprayed around the base of trees, shrubs, hops, grapes without worry.  

Use on weeds within vegetable and flower gardens, landscaped areas, lawns (for spot treatment only), in the vicinity of small fruits and fruit trees, around and on buildings, sidewalks, fences, bark mulch, driveways, patios and gravel.  Use on moss and algae, around and on buildings, roofs, decks, sidewalks, fences, bark mulch, driveways, patios and gravel. Prizefighter can even be used in cool weather. Areas can be planted five days after treatment.

Prizefighter reduces tree toxicity risks and leaves no harmful residue in the soil. It won’t stain bricks, concrete or asphalt and people and pets can re-enter areas once spray dries.

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

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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!

Fiesta Selective Weed Killer (For Spraying on Turf to Kill Only Weeds)

NOW WITH FREE SHIPPING ON 1 GALLON SIZE & 200 GALLON TOTE!!! (Excludes 2.5 Gallon)

Fiesta^® Selective Weed Killer is a selective, broadleaf weed killers that kill only the weeds and not the desired turf.  Using a specially formulated iron solution, Fiesta is a game changer in the organic lawn care industry, the first effective weed killer that Does Not contain the synthetic weed chemicals 2,4-D or Dicamba.  The choice of professional applicators, Fiesta iron-based weed killer leaves lawns healthy and weed-free!

Fiesta works quickly, delivering visible same-day results, even in cool weather. With a unique ground breaking iron-based formulation, Fiesta 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 applications (an entire lawn) or spot treatment, Fiesta helps your lawn look its best without using chemicals that are harsh on human and animal health or the environment. 

The top choice of professionals, we are now excited to offer Fiesta in smaller, more home friendly sizes under the Captain Jack's Lawnweed Brew label.  Now you can treat your own lawn with professional-grade results! 


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

Fiesta Granular Weed & Feed 8-0-1 (Selective)

Fiesta® Granular Weed & Feed is a 6-in-one product that fertilizes your turf while controlling weed, moss, disease (Dollar Spot, Rust, Snow Mold), algae and lichens!  The same potent effectiveness against weeds as the top selective weed killer in the natural turf industry, Fiesta, but in a convenient, spreadable granular version - plus a high-value fertilizer with 8% nitrogen for a great green-up!  Fiesta Weed & Feed kills only the broadleaf weeds while not only sparing the desired turf but adding essential nourishment to your lawn.  Using a specially formulated iron solution, Fiesta is a game changer in the organic lawn care industry, the first effective weed killer that does not contain toxic synthetic compounds.  The choice of professional applicators, Fiesta Weed & Feed 8-0-0 leaves lawns healthy and weed-free plus adds healthier growth and a great green-up.

For weeds, Fiesta works quickly by delivering visible same-day results, even in cool weather. With a unique ground breaking iron-based formulation, Fiesta 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 applications (an entire lawn) or spot treatment, Fiesta helps your lawn look its best without toxic, environmentally-harsh synthetic chemicals. 

Fiesta is also available as a Liquid Version:

CLICK HERE for Ready-To-Use and smaller concentrates (Labelled as Captain Jack's Lawnweed Brew).

CLICK HERE for concentrate versions for larger lawns and professionals.

Branch Creek Safer Play 10-0-2 is a granular fertilizer with a pre-emergent herbicide that provides superior control of crab grass and other grassy and broadleaf weeds. Branch Creek Safer Play with Weed Control is a novel, natural weed control product that is not comprised of toxic synthetic chemistries.
Branch Creek Safer Play with Weed Control has two novel modes of action:

1. Burns seed hairs of weeds without affecting desired turf grass.
2. Proteins and Polypeptides restrict the germination of seeds

This unique double action gives Branch Creek Safer Play with Weed Control superior pre-emergent control over other organic products.

Spreader Settings

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Torocity® is both a pre-emergent and post-emergent weed killer that provides control of more than 45 broadleaf weeds and grasses in turf grass. Torocity inhibits photosynthesis in targeted plants and is absorbed systemically through leaves and roots. It can be effectively used for weed control prior to and when seeding of specific types of turf grasses.  Compare to exact ingredients in Tenacity® Weed Killer.  

*NOTE: Pallets and bulk orders are available, please call (866) 299-5165 for pricing and estimates.  Our experts will personally work with you on larger orders to reduce product and shipping costs.  

McGeary Organics 8-0-0 Corn Gluten Meal Fertilizer is a fertilizer made with natural corn gluten. Corn Gluten is amongst the highest natural nitrogen source that provides a great green-up product for lawns when applied in the spring.