The Best Thistledown Weed Killer of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Thistledown Weed Killer of 2022. Check our ranking below.

2,958 Reviews Scanned

SaleRank No. #1

Monterey Thistledown Bundled with Measuring Spoon - Weed Killer Thistle and Clover Control Concentrate - 8 oz

POST-EMERGENT CONTROL - Thistledown is a full-strength herbicide based on the active ingredient clopyralid and is designed to control actively growing broadleaf weeds and thistle in a range, pasture, and other non-crop areas.
SELECTIVE WEED KILLER - Weeds controlled by Thistledown include Canada thistle, musk thistle, star thistle, and knapweed. It can also be used to control kudzu, dandelion, and Oxalis.
USE SITES - Avoid ornamentals and vegetables. Most vegetable plants and ornamentals are susceptible, so be wary of where you are using the product. Do not apply Thistledown on ditches containing irrigation water.
NO GRAZING RESTRICTIONS - Use this product on ranges, pastures, ranchette pastures, and non-crop areas. There are no grazing restrictions on the use of this product. Legumes in treated pastures will be injured or killed.
FOLLOW THE LABEL - this product must be applied as directed on the label. Avoid contact with clothing or skin. Mix the concentrated product as instructed, and do not apply to crop areas.

SaleRank No. #2

Roundup Weed & Grass Killer₄ with Sure Shot Wand, Use in and Around Flower Beds, Trees, and Driveways, 1 gal.

Roundup Weed & Grass Killer₄ kills tough weeds and grasses to the root, including dandelion, crabgrass, poison ivy, clover (red & white), spotted spurge, and other broadleaf weeds
It is rainproof in as fast as 30 minutes and produces visible results in hours
Allows for planting 1 to 30 days after application (see booklet for details)
Use in or around flower beds and perennial landscape plants, around trees and shrubs, on patios, walkways, and driveways, gravel, or mulch beds, along fences and foundations, and edging around foundations and retaining walls
The Sure Shot Wand extends 2 feet and features a shield to help target the spray on the weeds and protect desirable plants from drift

SaleRank No. #3

Liquid Harvest Mesotrione - 8oz - Mesotrione Concentrate (Compare to Tenacity) - Pre and Post-Emergent Weed Killer for Lawn and Turf Grasses

Mesotrione, a potent herbicide, immediately absorbs and starts working upon application, yet it may take 2-3 weeks for full weed death. Activation requires water; if no rainfall occurs within 10 days, apply 0.15 inches of water.
Targeting 46 broadleaf species and grasses, including Barnyard grass, Carpetweed, Chickweed, Clover, Crabgrass, and Dandelion, Mesotrione is versatile.
Suitable for Kentucky Bluegrass, Centipede grass, Buffalo grass, Tall Fescue, Perennial Ryegrass, Fine Fescue, and St. Augustine Grass (sod only). Avoid Bentgrass, Poa annua, kikuyugrass, zoysiagrass, seashore paspalum, and bermudagrass. Apply Mesotrione on dormant bermudagrass to eliminate weeds.
Mesotrione inhibits photosynthesis in susceptible plants, distributing throughout the plant via roots and leaves. It's an effective herbicide preventing crabgrass seed germination and eliminating broadleaf weeds on contact, encouraging the growth of certain cool-season turfgrass in a weed-free environment.

SaleRank No. #4

BioAdvanced Brush Killer Plus, Concentrate Weed Killer, 32 oz â€“ Kills Tough Brush Roots & Poison Ivy

POISON IVY KILLER SPRAY: Kills poison ivy, poison oak, blackberry, and over 75 other types of weeds when used as a concentrate
KILLS TOUGH BRUSH: Uses a special penetrating formula to kill listed roots and vine weeds, including poison ivy and oak
WEED KILLER: Start seeing visual results in 1-6 weeks
RAINPROOF PROTECTION: Rainproof in only 4 hours
USAGE: Concentrate 32-ounce treats up to 4,000 square feet for actively growing weed targets like poison ivy and poison oak

Rank No. #5

Monterey - Weed Whacker Weed Killer - Selective Broadleaf Weed Killer for Lawns - Kills 140+ Weed Types - Apply Using Sprayer - 1 Quart Concentrate

KILLS OVER 140 WEEDS - Including dandelions; oxalis; poison oak; spurge; rush; clover;aster and thistle. Consider these hard-to-control weeds as good as gone.
FOR RESIDENTIAL TURF - Our 3-way herbicide is designed for warm & cool season turf. It's safe to use on Bluegrass; Fescue; Rye; St. Augustine; Bahia; Common Bermuda; Centipede; Zoysia and bent.
YEAR-ROUND USE - Weed Whacker herbicide can be used all year long. It works best when weeds are young and actively growing. You should only use weed whacker twice per year in the same area.
EASY TO USE - Simply dilute weed whacker with water and apply using a spray tank. Carefully read label directions before use.
VAST COVERAGE - One quart of Weed Whacker covers up to 20,000 square feet of lawn.

SaleRank No. #6

Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Refill, Kills & Prevents for up to 1 Year, 1.25 gal.

Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer provides one-step weed protection for up to 12 months
Our weed control kills and prevents many types of tough weeds and grasses for up to 12 months, including clover, dandelion, large and smooth crabgrass, poison ivy, and other broadleaf weeds, grassy weeds and brush
Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Refill is rainproof in as fast as 30 minutes and produces visible results in hours
Use this weed preventer where you want to kill existing weeds AND prevent new weeds for up to 1 year, such as cracks and crevices in driveways, sidewalks, and walkways, patios, paths, and under decks, gravel areas, and other non-lawn areas
The Roundup Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer Refill is the fast and easy way to refill your Dual Action 365 Weed & Grass Killer Plus 12 Month Preventer

Rank No. #7

Spruce Weed Killer Refill - Versatile Weed & Grass Killer₂ for Flower Beds, Driveways & Mulch Beds - No Pour, No Mix, No Mess Refill - Kills Dandelions, Crabgrass & More (64 Oz)

Worry-Free Formula - This versatile weed killer spray is made with water, essential oils and surfactant. Spruce is safe to use around people and pets when used as directed, and one bottle can treat up to 400 weeds.
Visible Results in One Hour - Spruce is designed to break down plant cells so weeds die from dehydration. The hardworking weed spray can kill all types of broadleaf and grassy weeds including dandelions, large crabgrass, white clover, dollarweed and morning glories.
Great For - This formula is a great weed and grass killer spray for mulch beds, driveways, pavers and walkways. It can also be used for spot-treating weeds in landscape areas, raised beds and gardens. For best results, use at the first sign of weed growth.
How to Use - Begin by squeezing the buttons on the top of your old bottle to remove the weed sprayer handle. Then, remove the cap from your new refill, and snap the handle onto your new bottle. From there, the grass and weed killer is ready to spray.
One Bottle for 400 Weeds - This weed killer refill can be used to replenish the liquid in your Snap and Spray Kit. One 64 oz bottle can tackle up to 400 weeds. Make sure to also try EZ-AIM for tough cracks and edges.

Rank No. #8

Liquid Harvest Concentrated Brush Killer (Comparable to Leading Triclopyr Brands) - 8oz - Formulated to Control Over 70 Types of Brush, Vines, Harmful Weeds, and Woody Plants – Also Kills Stumps

Liquid Harvest Trio controls over 70+ types of brush, vines, brambles, and woody plants. For best results, apply when plants are fully bloomed and actively growing.
For stump use: Completely cover freshly cut stump with undiluted product using a paintbrush for best results
Mix 4-8oz of Liquid Harvest Trio per gallon of water for regular use on vines & hard to control plants in a hand sprayer and apply
Apply anywhere tough brush grows. Including thorny and harmful weeds that can be dangerous to pull by hand.
This is a systemic weed killer; results may be seen between 1 & 6 weeks. Systemic weed killers are weed killers that are applied directly to the foliage of the plant. Once these weed killers are placed on the foliage, the plant absorbs them. The weed killer is then transported throughout the plant and works against the plant's internal structures.

SaleRank No. #9

Natural Armor Weed and Grass Killer All-Natural Concentrated Formula. Contains No Glyphosate (128 OZ. Gallon)

CONTAINS NO GLYPHOSATE - Natural, Concentrated Formula STOPS Weeds and Grasses Right in Their Tracks. Weeds and Grass Will Look Like You Took A Torch To Them.
EASY TO USE - Friendly for People & Pets. Ready To Use, Just Spray and Go. No Messy Mixing or Diluting.
PLACES TO USE - Use Anywhere You Don't Want Weeds and Grass Growing Such As, Around Flower Beds, Shrubs and Trees, Barns, Driveways, Edging, Fence Lines, Foundations, Gravel Areas, Mulch Beds, Overgrown Weed Areas, Parking Areas, Patios, Pavers, Pool Areas, Rock Walls and Pathways, Walkways, Wells & Water Systems. Any Location Where No Vegetation is Wanted
FAST ACTING - See Results In Hours and Even Greater Results Shortly Thereafter.

Last update on 2025-10-14 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Thistledown Weed Killer?

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We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Thistledown Weed Killer that you consider buying. Your questions might include the following:

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We’re convinced that you likely have far more questions than just these regarding Thistledown Weed Killer, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Thistledown Weed Killer, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Thistledown Weed Killer. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Thistledown Weed Killer buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Thistledown Weed Killer currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Thistledown Weed Killer has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Thistledown Weed Killer?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Thistledown Weed Killer.
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Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Thistledown Weed Killer.
Product Quality: You don’t always get what you pay for with an Thistledown Weed Killer, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Thistledown Weed Killer is should be an indication of how long it will work out for you.

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The Best Thistledown Weed Killer of 2022 – Reviews & Buying Guide

How Do You Buy The Best Thistledown Weed Killer?

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