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Product questions and answers

    How long does Roundup ProMax take to work?
  1. 0 votes
    Q How long does Roundup ProMax take to work? answer now
    Asked on December 18, 2025 3:19 PM
    A Roundup ProMax begins working within hours after application, but visible results develop over time. Most weeds show initial symptoms—such as wilting or yellowing—within 2–4 days, while complete weed death typically occurs within 7–14 days, depending on weed species, size, and growing conditions. Roundup ProMax contains glyphosate with an enhanced surfactant system that improves absorption into plant leaves. As a systemic, non-selective herbicide, it moves throughout the plant to the roots, shutting down essential growth processes. Because it kills weeds from the inside out, plants do not die immediately—this slower action is necessary for complete root kill and to prevent regrowth. For best results, apply Roundup ProMax to actively growing weeds, avoid mowing or disturbing treated plants for several days, and allow adequate time for the product to fully translocate through the plant.
  2. What makes Roundup Pro Max different from regular Roundup?
  3. 0 votes
    Q What makes Roundup Pro Max different from regular Roundup? answer now
    Asked on August 20, 2025 9:43 PM
    A Roundup Pro Max contains a higher concentration of glyphosate (48.7%), is rainfast in just 30 minutes, and features an advanced surfactant system for faster, more reliable absorption compared to homeowner-grade Roundup products.
  4. What types of weeds does Roundup Pro Max control?
  5. 0 votes
    Q What types of weeds does Roundup Pro Max control? answer now
    Asked on August 20, 2025 9:42 PM
    A Roundup Pro Max provides broad-spectrum, systemic control of more than 100 annual, perennial, and woody weeds, including crabgrass, foxtail, pigweed, ragweed, Johnsongrass, Canada thistle, and poison ivy.

Roundup ProMax Herbicide

(2 customer reviews)

Order Before 2:00pm PST For Same Day Shipping!
Most Items are received within 2-4 days of ordering!
FOR LARGE ORDERS, PLEASE EMAIL: [email protected] OR CALL 877-708-1974

Original price was: $135.97.Current price is: $120.97.

CUSTOMERS ALSO BOUGHT:
-
+
Original price was: $213.49.Current price is: $193.49.
-
+
$99.49
-
+
Original price was: $198.79.Current price is: $129.97.

Fast Free Shipping!

The ultimate in weed control. With over 40 years of backed science, Roundup ProMax has been tested and has been proven to offer unsurpassed weed control in a concentrated formula.  Roundup Pro Concentrate is a post-emergent herbicide which means it kills on contact, destroying the leaves and stem of a weed so it cannot continue to photosynthesize.

Product Features:

  • 30-minute rain fast warranty
  • Penetrates weed leaf surfaces faster
  • Quick results (usually within 2-4 days)

Size:

1.67 Gallon

Product questions and answers

    How long does Roundup ProMax take to work?
  1. 0 votes
    Q How long does Roundup ProMax take to work? answer now
    Asked on December 18, 2025 3:19 PM
    A Roundup ProMax begins working within hours after application, but visible results develop over time. Most weeds show initial symptoms—such as wilting or yellowing—within 2–4 days, while complete weed death typically occurs within 7–14 days, depending on weed species, size, and growing conditions. Roundup ProMax contains glyphosate with an enhanced surfactant system that improves absorption into plant leaves. As a systemic, non-selective herbicide, it moves throughout the plant to the roots, shutting down essential growth processes. Because it kills weeds from the inside out, plants do not die immediately—this slower action is necessary for complete root kill and to prevent regrowth. For best results, apply Roundup ProMax to actively growing weeds, avoid mowing or disturbing treated plants for several days, and allow adequate time for the product to fully translocate through the plant.
  2. What makes Roundup Pro Max different from regular Roundup?
  3. 0 votes
    Q What makes Roundup Pro Max different from regular Roundup? answer now
    Asked on August 20, 2025 9:43 PM
    A Roundup Pro Max contains a higher concentration of glyphosate (48.7%), is rainfast in just 30 minutes, and features an advanced surfactant system for faster, more reliable absorption compared to homeowner-grade Roundup products.
  4. What types of weeds does Roundup Pro Max control?
  5. 0 votes
    Q What types of weeds does Roundup Pro Max control? answer now
    Asked on August 20, 2025 9:42 PM
    A Roundup Pro Max provides broad-spectrum, systemic control of more than 100 annual, perennial, and woody weeds, including crabgrass, foxtail, pigweed, ragweed, Johnsongrass, Canada thistle, and poison ivy.

You might also like...

Description

Product Alternatives: Ranger Pro Herbicide
EPA Reg. No. 524-579
Active Ingredient: Glyphosate  – 48.7%
Product Information:

This product is a postemergence, systemic herbicide with no soil residual activity. It gives broad-spectrum control of many annual weeds, perennial weeds, woody brush and trees. It is formulated as a water-soluble liquid containing surfactant and no additional surfactant is needed or recommended.

Mixing Instructions:

NOTE: PRODUCT PERFORMANCE MAY BE SIGNIFICANTLY REDUCED IF WATER CONTAINING SOIL SEDIMENT IS USED AS CARRIER. DO NOT MIX THIS PRODUCT WITH
WATER FROM PONDS AND DITCHES THAT IS VISIBLY MUDDY OR MURKY.
This product mixes readily with water. Mix spray solutions of this product as follows: Begin filling the mixing tank or spray tank with clean water. Add the proper amount of this product near the end of the filling process and mix gently. During mixing and application, foaming of the spray solution may occur. To prevent or minimize foaming, mix gently, terminate by-pass and return lines at the bottom of the tank and, if necessary, use an anti-foam or defoaming agent.

Tank Mixing:

When tank mixing, read and carefully observe label directions, cautionary statements and all information on the labels of all products used. Add the tank-mix product to the tank
as directed by the label. Maintain agitation and add the specified amount of this product. Maintain good agitation at all times until the contents of the tank are sprayed. If the spray
mixture is allowed to settle, thorough agitation may be required to resuspend the mixture before spraying is resumed. Keep by-pass line on or near the bottom of the tank to minimize foaming. Screen size in nozzle or line strainers should be no finer than 50-mesh. Always predetermine the compatibility of labeled tank mixtures of this product with water carrier by mixing small proportional quantities in advance. Ensure that the specific tank mixture product is registered for application at the desired site.

Mixing Table:

Desired                           Amount of Roundup PROMAX herbicide
Volume            0.4%              0.7%              1.0%           1.5%             4%               7%

1 gal                 0.5 oz            1 oz               1.3 oz            2 oz             5 oz             9 oz
25 gal              0.8 pt            0.7 qt            1 qt               1.5 qt          4 qt              7 qt
100 gal           1.6 qt             2.8 qt            1 gal             1.5 gal         4 gal            7 gal
2 tablespoons = 1 fluid ounce

For use in backpack, knapsack or pump-up sprayers, add the appropriate amount of t, mixed with water in a larger container and then filling sprayer with the solution.

Additional information

Size

Manufacturer

  • Bayer
  • UPC: 883580384520

Active Ingredient

Glyphosate ……….48.7%

For Use In

Non-crop areas such as airports, apartment complexes, commercial sites, driveways, dry ditches, dry canals, golf courses, greenhouses, industrial sites, landscape areas. lumberyards, parks, parking areas, residential areas and other listed areas

Controlled Pests

Post Emergent Herbicide:

Controlled Weeds:  Corn, Panicum, Shattercane, Sicklepod, Spanishneedles, Starbur, Beggarweed, Bermudagrass, Dogbane, Dogfenne, Guineagrass, Johnsongrass, Milkweed, Nightshade, Pigweed, Ragweed, Smutgrass Sunflower, Thistle, Vaseygrass, Velvetleaf

See Label For Complete List

2 reviews for Roundup ProMax Herbicide

Powered byCusRev
3.5
Based on 2 reviews
5 star
50
50%
4 star
0%
3 star
0%
2 star
50
50%
1 star
0%
  1. Anonymous (verified owner)

    USCalifornia, United States

    (0) (0)
  2. Brad D. (verified owner)

    USWashington, United States

    Weak formula for the cost

    (0) (0)

Only logged in customers who have purchased this product may leave a review.

Product questions and answers

    How long does Roundup ProMax take to work?
  1. 0 votes
    Q How long does Roundup ProMax take to work? answer now
    Asked on December 18, 2025 3:19 PM
    A Roundup ProMax begins working within hours after application, but visible results develop over time. Most weeds show initial symptoms—such as wilting or yellowing—within 2–4 days, while complete weed death typically occurs within 7–14 days, depending on weed species, size, and growing conditions. Roundup ProMax contains glyphosate with an enhanced surfactant system that improves absorption into plant leaves. As a systemic, non-selective herbicide, it moves throughout the plant to the roots, shutting down essential growth processes. Because it kills weeds from the inside out, plants do not die immediately—this slower action is necessary for complete root kill and to prevent regrowth. For best results, apply Roundup ProMax to actively growing weeds, avoid mowing or disturbing treated plants for several days, and allow adequate time for the product to fully translocate through the plant.
  2. What makes Roundup Pro Max different from regular Roundup?
  3. 0 votes
    Q What makes Roundup Pro Max different from regular Roundup? answer now
    Asked on August 20, 2025 9:43 PM
    A Roundup Pro Max contains a higher concentration of glyphosate (48.7%), is rainfast in just 30 minutes, and features an advanced surfactant system for faster, more reliable absorption compared to homeowner-grade Roundup products.
  4. What types of weeds does Roundup Pro Max control?
  5. 0 votes
    Q What types of weeds does Roundup Pro Max control? answer now
    Asked on August 20, 2025 9:42 PM
    A Roundup Pro Max provides broad-spectrum, systemic control of more than 100 annual, perennial, and woody weeds, including crabgrass, foxtail, pigweed, ragweed, Johnsongrass, Canada thistle, and poison ivy.

Roundup ProMax Herbicide

(2 customer reviews)

Order Before 2:00pm PST For Same Day Shipping!
Most Items are received within 2-4 days of ordering!
FOR LARGE ORDERS, PLEASE EMAIL: [email protected] OR CALL 877-708-1974

Fast Free Shipping!

The ultimate in weed control. With over 40 years of backed science, Roundup ProMax has been tested and has been proven to offer unsurpassed weed control in a concentrated formula.  Roundup Pro Concentrate is a post-emergent herbicide which means it kills on contact, destroying the leaves and stem of a weed so it cannot continue to photosynthesize.

Product Features:

  • 30-minute rain fast warranty
  • Penetrates weed leaf surfaces faster
  • Quick results (usually within 2-4 days)

Size:

1.67 Gallon

Original price was: $135.97.Current price is: $120.97.

CUSTOMERS ALSO BOUGHT:
-
+
Original price was: $213.49.Current price is: $193.49.
-
+
$99.49
-
+
Original price was: $198.79.Current price is: $129.97.

Description

Product Alternatives: Ranger Pro Herbicide
EPA Reg. No. 524-579
Active Ingredient: Glyphosate  – 48.7%
Product Information:

This product is a postemergence, systemic herbicide with no soil residual activity. It gives broad-spectrum control of many annual weeds, perennial weeds, woody brush and trees. It is formulated as a water-soluble liquid containing surfactant and no additional surfactant is needed or recommended.

Mixing Instructions:

NOTE: PRODUCT PERFORMANCE MAY BE SIGNIFICANTLY REDUCED IF WATER CONTAINING SOIL SEDIMENT IS USED AS CARRIER. DO NOT MIX THIS PRODUCT WITH
WATER FROM PONDS AND DITCHES THAT IS VISIBLY MUDDY OR MURKY.
This product mixes readily with water. Mix spray solutions of this product as follows: Begin filling the mixing tank or spray tank with clean water. Add the proper amount of this product near the end of the filling process and mix gently. During mixing and application, foaming of the spray solution may occur. To prevent or minimize foaming, mix gently, terminate by-pass and return lines at the bottom of the tank and, if necessary, use an anti-foam or defoaming agent.

Tank Mixing:

When tank mixing, read and carefully observe label directions, cautionary statements and all information on the labels of all products used. Add the tank-mix product to the tank
as directed by the label. Maintain agitation and add the specified amount of this product. Maintain good agitation at all times until the contents of the tank are sprayed. If the spray
mixture is allowed to settle, thorough agitation may be required to resuspend the mixture before spraying is resumed. Keep by-pass line on or near the bottom of the tank to minimize foaming. Screen size in nozzle or line strainers should be no finer than 50-mesh. Always predetermine the compatibility of labeled tank mixtures of this product with water carrier by mixing small proportional quantities in advance. Ensure that the specific tank mixture product is registered for application at the desired site.

Mixing Table:

Desired                           Amount of Roundup PROMAX herbicide
Volume            0.4%              0.7%              1.0%           1.5%             4%               7%

1 gal                 0.5 oz            1 oz               1.3 oz            2 oz             5 oz             9 oz
25 gal              0.8 pt            0.7 qt            1 qt               1.5 qt          4 qt              7 qt
100 gal           1.6 qt             2.8 qt            1 gal             1.5 gal         4 gal            7 gal
2 tablespoons = 1 fluid ounce

For use in backpack, knapsack or pump-up sprayers, add the appropriate amount of t, mixed with water in a larger container and then filling sprayer with the solution.

Additional information

Size

Manufacturer

  • Bayer
  • UPC: 883580384520

Active Ingredient

Glyphosate ……….48.7%

For Use In

Non-crop areas such as airports, apartment complexes, commercial sites, driveways, dry ditches, dry canals, golf courses, greenhouses, industrial sites, landscape areas. lumberyards, parks, parking areas, residential areas and other listed areas

Controlled Pests

Post Emergent Herbicide:

Controlled Weeds:  Corn, Panicum, Shattercane, Sicklepod, Spanishneedles, Starbur, Beggarweed, Bermudagrass, Dogbane, Dogfenne, Guineagrass, Johnsongrass, Milkweed, Nightshade, Pigweed, Ragweed, Smutgrass Sunflower, Thistle, Vaseygrass, Velvetleaf

See Label For Complete List

2 reviews for Roundup ProMax Herbicide

Powered byCusRev
3.5
Based on 2 reviews
5 star
50
50%
4 star
0%
3 star
0%
2 star
50
50%
1 star
0%
  1. Anonymous (verified owner)

    USCalifornia, United States

    (0) (0)
  2. Brad D. (verified owner)

    USWashington, United States

    Weak formula for the cost

    (0) (0)

Only logged in customers who have purchased this product may leave a review.

Product questions and answers

    How long does Roundup ProMax take to work?
  1. 0 votes
    Q How long does Roundup ProMax take to work? answer now
    Asked on December 18, 2025 3:19 PM
    A Roundup ProMax begins working within hours after application, but visible results develop over time. Most weeds show initial symptoms—such as wilting or yellowing—within 2–4 days, while complete weed death typically occurs within 7–14 days, depending on weed species, size, and growing conditions. Roundup ProMax contains glyphosate with an enhanced surfactant system that improves absorption into plant leaves. As a systemic, non-selective herbicide, it moves throughout the plant to the roots, shutting down essential growth processes. Because it kills weeds from the inside out, plants do not die immediately—this slower action is necessary for complete root kill and to prevent regrowth. For best results, apply Roundup ProMax to actively growing weeds, avoid mowing or disturbing treated plants for several days, and allow adequate time for the product to fully translocate through the plant.
  2. What makes Roundup Pro Max different from regular Roundup?
  3. 0 votes
    Q What makes Roundup Pro Max different from regular Roundup? answer now
    Asked on August 20, 2025 9:43 PM
    A Roundup Pro Max contains a higher concentration of glyphosate (48.7%), is rainfast in just 30 minutes, and features an advanced surfactant system for faster, more reliable absorption compared to homeowner-grade Roundup products.
  4. What types of weeds does Roundup Pro Max control?
  5. 0 votes
    Q What types of weeds does Roundup Pro Max control? answer now
    Asked on August 20, 2025 9:42 PM
    A Roundup Pro Max provides broad-spectrum, systemic control of more than 100 annual, perennial, and woody weeds, including crabgrass, foxtail, pigweed, ragweed, Johnsongrass, Canada thistle, and poison ivy.

1

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