Sonora (Clopyralid 3 Herbicide)
Sonora (Clopyralid 3 Herbicide) Sonora (Clopyralid 3 Herbicide)

Sonora (Clopyralid 3 Herbicide)

ALLIGARE

Sonora (Clopyralid 3 Herbicide)

Sonora Herbicide is a post-emergent herbicide that completely controls tough broadleaf weed infestations and brush in pastures, rangelands, conifer sites, and more. Easy to use and has no grazing or haying restrictions when following application rates. Formerly named Clopyralid 3 Herbicide.
As low as $155.24
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SKU
Clopyralid 3 Product Page
Min : 155.24 - Max : 350.19
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Sonora Herbicide (formerly named Clopyralid 3), manufactured by Alligare, is a effective post-emergent herbicide that controls difficult broadleaf weeds and brush to clear various terrains in a couple of days after application.

This effective emulsifiable concentrate contains the powerful active ingredient clopyralid 40.9%, to get rid of many noxious and invasive weeds and woody plants such as mesquite in rangelands, conifer sites, and more.

Sonora Herbicide is compatible with surfactants and adjuvants to boost control. It offers excellent and dependable control of emerged weeds like knapweeds before and after planting in forest sites or other terrains.

Tools Needed

To apply Sonora Herbicide, you will need a backpack sprayer, handheld pump sprayer, or skid sprayer. For large rangelands, the skid sprayer is suggested. When making smaller applications or spot treatments, we suggest a handheld or backpack sprayer.

How to Use

applying herbicide

  • Step 1: Determine how much Sonora you will need by first calculating the square footage of the treatment area. To do this you will need to measure and multiply the length and width of the target area. Sonara can be applied at a rate of 3/32 fl/ oz. to 1/4 fl. oz. in 1 gallon of water to cover 1,000 sq. ft. So, for example, if you had a 2,000 sq. ft. area to treat, you will need to mix 0.1875 to 0.5 fl. oz. of product in 2 gallons of water.
  • Step 2: Fill your sprayer tank halfway with water and then add the required amount of Sonora Herbicide based on your calculations to the sprayer and mix. You can then add any compatible surfactants, adjuvants, or drift control agents to the spray tank. Shake well until mixed and you are ready to apply.
  • Step 3: Spray the mixture to the target weeds or brush until wet but not to the point of runoff. Use a fan spray nozzle setting to evenly cover all of the targeted vegetation.

Where to Use

Applying Sonara Herbicide to railway

Sonora Herbicide is for use on non-cropland, non-turf, and non-residential areas. It is formulated to use on rangelands, job sites, construction sites, storage sites, along roadways, and other rights-of-way. It is ideal for use on areas that need to be bare ground.

When to Use

The ideal time when Sonora Herbicide should be applied is during healthy growth or flowering seasons. For the best results, Sonora should be applied no sooner than 3 to 4 days before unwanted vegetation emerges from the ground so the product makes contact with the leaf tissue.

Safety Information

Sonora Herbicide is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product.

Do not allow children and pets to enter treated areas until 24 hours have passed after application.

Special Considerations

Do not transfer livestock from treated grazing areas, or from feeding of treated hay, to sensitive broadleaf crop areas without first allowing 3 days of grazing on an untreated pasture (or feeding of untreated hay). If livestock are transferred within less than 3 days of grazing untreated pasture or eating untreated hay, urine and manure may contain enough clopyralid to cause injury to sensitive broadleaf plants.

AvailabilityOnline
Restricted UseNo
Shipping RestrictionsAK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA
BrandALLIGARE
Keith's Pro Tips"For the best results when applying Sonora, have a minimum of 3 to 4 days of vegetation growth, to ensure there is enough leaf surface for the herbicide to penetrate."
Product DrawbacksSonora Herbicide can affect susceptible broadleaf plants directly through foliage and indirectly by root uptake from treated soil. Therefore, do not apply this product directly to, or allow spray drift to come in contact with, vegetables, flowers or other
Target PestsAcacias, Annual Sowthistle, Artichoke Thistle, Black Medic Clover, Buffalobur, Bull Thistle, Canada Thistle, Coffeeweed, Common Burdock, Common Cocklebur, Common Groundsel, Common Ragweed, Common Sunflower, Common Teasel, Cornflower, Curly Dock, Cutleaf Nightshade, Daisy Oxeye, Dandelion, Diffuse Knapweed, Eastern Black Nightshade, Eastern Redbud, False Chamomile, Giant Ragweed, Green Smartweed, Hairy Nightshade, Hawksbeard, Hop Clover, Horseweed, Italian Thistle, Jerusalem Artichoke, Jimsonweed, Kudzu, Ladysthumb, Lambert Locoweed, Locust, Marshelder, Mayweed Chamomile, Meadow Salsify, Mesquite, Mimosa, Musk Thistle, Narrowleaf, Orange Hawkweed, Pineappleweed, Prickly Lettuce, Red Clover, Red Sorrel, Russian Knapweed, Sicklepod, Spotted Knapweed, White Clover, White Locoweed, Wild Buckwheat, Wild Sunflower, Wisteria, Yellow Hawkweed, Yellow Starthistle
Application EquipmentBackpack Sprayer, Gloves, Pump Sprayer, Respirator Mask, Spray Rig
Application MethodsBroadcast Spray, Spot Treatment
Active IngredientClopyralid- 40.9%
Product TypeHerbicide
FormulationEmulsifiable Concentrate (EC)
Application RateFor general applications made with a handheld pump sprayer mix 3/32 fl. oz. (2.8 mL) to 1/4 fl. oz. (7.3 mL) of Sonora Herbicide per 1 gallon of water. For more specific application rates please refer to the label.
Shelf LifeSonora Herbicide will last for up to 1 to 2 years when stored according to the product label. Store Sonora Herbicide in the original container in a cool, dry storage area.
YieldA 32 ounce bottle of Sonora can treat up to 64,000 sq. ft. when applied at a rate of 0.5 oz per 1,000 square feet.
Use SitesOutdoors
Time to KillSonora Herbicide Herbicide begins to kill target weeds within 3 to 5 days after contact. It can take up to several weeks for complete control all depending on the treatment area, targeted plants, and application method.
Comparable ProductsTransline Herbicide
Incompatible Home SidingBrick, Hardie Plank, Stone Veneer, Wood, Vinyl
EPA Registration #81927-69
4.6/5
Based on 14 reviews
  • 57%(8)
  • 43%(6)
  • 0%(0)
  • 0%(0)
  • 0%(0)
100%
5/31/23
Ted Waters
Verified Buyer
Great customer service
Great personal service, spoke with an actual person who checked availability before we ordered. Fast shipping. Thanks for making this easy!!! Have not used product yet so not rating it.
100%
6/7/22
Karen H.
Verified Buyer
Good company, good product
Sonora killed most of the invasive weeds on our farm without harming any of our young evergreens. Wish it could help with the St. Johnswort but it’s a tough weed and wasn’t affected at all, as reported on the label. Best of all, Solutions Pest & Lawn was fairly priced and shipped the 10 gallons we ordered quickly and affordably. I will definitely check them out the next time noxious invasive become a problem, which we’re required by law to address.
100%
7/12/19
Billy F.
Verified Buyer
Good company to do business with! Will order again when I need more product.
100%
6/23/19
Ron
Verified Buyer
Great on knapweed
This is the first Herbicide to put a dent in our knapweed. Killed the knapweed and yarrow and left the grass alone. Does seem like the price doubled from last year, but maybe I’m remembering wrong.
80%
5/17/19
Vicki Van Vynckt
Verified Buyer
Clopyrid
We have just started using Clopyrid on our property to kill Kudzu on a steep slope. We have used it twice and see some die off of the leaves / vines. We will continue to use it to see how often to get rid of it completely. It is very established Kudzu so it may take awhile. I do feel some relief that Clopyrid is legume - specific because I don't want to hurt any other plants around it in our woods. I had been hand digging out crowns but it is very hard work (and not safe on steep slopes) and not all of them can be accessed so I'm hoping this is our answer. We normally are very holistic when it comes to the environment but when I think about the choice of losing our property to Kudzu as opposed to using an herbicide sparingly and carefully, I think it's more important at this point to keep the Kudzu from ruining everything.
100%
9/21/18
Maria Peterson
Verified Buyer
Kudzu be gone!
I needed a herbicide that I could spray on Kudzu that was actively growing up, on and over other trees. Most of the hardwoods were unaffected but it will kill Black Locust. If something makes a pod and belongs in the pea family, this herbicide will kill it. It takes about 2 weeks before you see the kudzu give up the ghost. What a feast for the eyes to see the small hardwoods unaffected. I used a ionic surfactant and sprayed 1 oz per gallon in a backpack sprayer. I think you could get away with less but I wasn't taking any chances. I wore protective clothing and glasses - highly recommended - to keep spray drift out of your eyes and off of your skin.
It said to only use this from June through August. It's not as effective when the kudzu isn't actively growing. For kudzu going into dormancy, it's best to follow the shoots to the mother vine, cut or slash the root ball and treat the wounds with Triclopyr diluted 50% with ionic surfactant and no water. This two pronged approach gives me hope for eradicating kudzu on 4 acres in the near future! I will be sizing up to one gallon from 32 oz in 2019! Great service and value plus fast shipping from Solution Stores as always.
100%
7/9/17
Michael M
Verified Buyer
Kudzu Killer
I have been fighting kudzu on 3 acres and finally tackled it with clopyralid. I used 4 oz Kudzu killer, 4 oz dish soap and 4 gallons water in my back pack sprayer and I now have a clear field. BOOM
80%
8/29/15
Jake
Verified Buyer
Seems to be doing the trick
I have been spraying kudzu with this product, and it seems to be working pretty good.
80%
8/16/15
Luis
Verified Buyer
Waiting results
Sprayed last week and it appears the vetch I was tackling is browning up nicely. The adjacent grass and evergreens appear to be unharmed.
80%
8/1/15
Lola
Verified Buyer
Kudzu
Seems to be working on my kudzu without affecting trees and grass.
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More Information
Restricted Use No
Shipping Restrictions AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA
Availability Online
Signal Word CAUTION
Keith's Pro Tip "For the best results when applying Sonora, have a minimum of 3 to 4 days of vegetation growth, to ensure there is enough leaf surface for the herbicide to penetrate."
Target Pests Multi Ageratum, Annual Sowthistle, Artichoke Thistle, Beggarweed, Black Medic, Buffalobur, Bull Thistle, Canada Thistle, Chamomile Mayweed, Coffeeweed, Common Burdock, Common Cocklebur, Common Groundsel, Common Ragweed, Common Sunflower, Common Teasel, Curly Dock, Dandelion, Diffuse Knapweed, Eastern Black Nightshade, False Chamomile, Fireweed, Giant Ragweed, Goatsbeard, Green Smartweed, Hairy Nightshade, Hawkweed, Hop Clover, Horseweed/Marestail, Italian Thistle, Jerusalem Artichoke, Jimsonweed, Kudzu, Ladysthumb, Lambert Locoweed, Marshelder, Meadow Salsify, Mimosa, Musk Thistle, Narrowleaf Hawksbeard, Orange Hawkweed, Oxeye Daisy, Perennial Sowthistle, Pineapple_Weed, Prickly Lettuce, Prickly Pear, Red Clover, Red Sorrel, Russian Knapweed, Sicklepod, Spotted Knapweed, Thickhead, White Clover, Wild Buckwheat, Wild Sunflower, Wisteria, Yellow Hawkweed, Yellow Starthistle, Acacias, Blackbrush, Catclaw Acacia, Cornflower, Dogfennel, Eastern Redbud, Granjeno, Guajillo, Locust, Mesquite, Twisted Acacia, Vetch
Time to Kill Sonora Herbicide Herbicide begins to kill target weeds within 3 to 5 days after contact. It can take up to several weeks for complete control all depending on the treatment area, targeted plants, and application method.
Chemical Type Herbicide
Formulation Emulsifiable Concentrate (EC)
Application Methods Broadcast Spray, Spot Treatment
Product Drawbacks Sonora Herbicide can affect susceptible broadleaf plants directly through foliage and indirectly by root uptake from treated soil. Therefore, do not apply this product directly to, or allow spray drift to come in contact with, vegetables, flowers or other
Active Ingredient Clopyralid- 40.9%
Application Equipment Backpack Sprayer, Gloves, Pump Sprayer, Respirator Mask, Spray Rig
Mix Rate For general applications made with a handheld pump sprayer mix 3/32 fl. oz. (2.8 mL) to 1/4 fl. oz. (7.3 mL) of Sonora Herbicide per 1 gallon of water. For more specific application rates please refer to the label.
Low Use Rate 0.09 fl. oz./1,000 sq. ft.
High Use Rate 0.25 fl. oz./1,000 sq. ft.
Use Sites Outdoors
Yield A 32 ounce bottle of Sonora can treat up to 64,000 sq. ft. when applied at a rate of 0.5 oz per 1,000 square feet.
EPA Registration No. 81927-69
Shelf Life Sonora Herbicide will last for up to 1 to 2 years when stored according to the product label. Store Sonora Herbicide in the original container in a cool, dry storage area.
Comparable Products Transline Herbicide
Children or pets? No
Property Characteristics None
Questions and Answers
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  1. Q:Do you currently have this in stock? Is it safe to use for broadleaf control on tillage radish? Will winter rye grow if sown 2 weeks after this is sprayed?
    8/7/22
    A:Do not apply Sonora (Clopyralid 3 Herbicide) directly to, or allow spray drift to come in contact with, vegetables, flowers, tomatoes, potatoes, beans, lentils, peas, alfalfa, sunflowers, soybeans, safflower, or other desirable broadleaf crops or ornamental plants. For specific sown application rates, it would be best to speak with the manufacturer, ALLIGARE, as this is not directly stated on the product label. https://alligare.com/contact-us/#:~:text=334%2D741%2D9393%20or%20888%2DALLIGARE&text=To%20navigate%2C%20press%20the%20arrow%20keys.

    Amanda Chavez

    8/8/22
    Certified Buyer
  2. Q:Can this be used for broadleaf control on rape & turnip fall planting? What is the recommended ounces per acre? If used on rape & turnip planting this fall for broadleaf control, would there be residual that would effect a buckwheat planting next spring & winter rye/field pea planting next fall.
    8/7/22
    A:Do not apply Sonora (Clopyralid 3 Herbicide) directly to, or allow spray drift to come in contact with, vegetables, flowers, tomatoes, potatoes, beans, lentils, peas, alfalfa, sunflowers, soybeans, safflower, or other desirable broadleaf crops or ornamental plants.

    Amanda Chavez

    8/8/22
    Certified Buyer
  3. Q:Will this product kill Canada thistle?
    7/30/22
    A:Yes extremely effective. In some cases two applications may be needed

    Michael Strobel

    8/1/22
    Certified Buyer
  4. Q:Is this safe to use with grazing cattle on the property?
    6/2/22
    A:There are no grazing or haying restrictions following Alligare Sonora Herbicide applications when used at labeled rates except for export hay from California, Nevada, Oregon and Washington. Do not transfer livestock from treated grazing areas, or from feeding of treated hay, to sensitive broadleaf crop areas without first allowing 3 days of grazing on an untreated pasture (or feeding of untreated hay). If livestock are transferred within less than 3 days of grazing untreated pasture or eating untreated hay, urine and manure may contain enough clopyralid to cause injury to sensitive broadleaf plants

    Amanda Chavez

    6/3/22
    Certified Buyer
  5. Q:is this safe for strawberries ?
    5/26/22
    A:No

    Deloy Oberlin

    6/26/21
    Certified Buyer
  6. Q:Does this product kill fleabane?
    1/28/22
    A:Sonora (Clopyralid 3 Herbicide) is not labeled to treat fleabane. We recommend using 2,4-D Amine Selective Post-Emergent Herbicide, which is labeled to treat fleabane. https://www.solutionsstores.com/2-4-d-amine-selective-weed-killer

    Amanda Chavez

    1/28/22
    Certified Buyer
  7. Q:Do I need a license to buy Sonora?
    6/3/21
    A:No. This chemical is not a restricted use product.

    Myron Martin

    6/3/21
    Certified Buyer
  8. Q:Will this kill yucca?
    12/20/20
    A:Don’t know.I use mine for kudzu

    Stan Schmidt

    1/5/21
    Certified Buyer
  9. Q:reccomended dose per ha ?
    7/19/18
    A:Label says ½ to 2/3 pints to the acre, which would be 16 or less acres per the gallon.

    Dennis Gibbs

    7/19/18
    Certified Buyer
  10. Q:Does Clopyralid 3 eradicate mugwort, Artemesia regalis?
    6/18/18
    A:I was asked to respond to this and will say; if it's not mentioned on the label, probably not. It's very selective and not at all like 2,4-D.

    Dennis Gibbs

    6/18/18
    Certified Buyer
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