
Product Reviews
Best Pasture Weed Killer: The Weed Picks the Product
Arkansas trials give a product, a rate and a month for each weed — and for horsenettle, three consecutive years. Look up the weed before you buy a bottle.

Selective Broadleaf Herbicide for Legumes (2,4-DB)
★★★★☆ 4.4/5
our editor rating how we score4.6/5 from 34 shoppers at Amazon — their number, not ours.
$50–$62
Typical price · 1 gallon concentrate; rates per label by crop and weed stage
Affiliate links — see our disclosure. Commissions never influence verdicts.
Broadleaf weed control in alfalfa and clover — the one thing a normal broadleaf herbicide cannot do, because clover is itself a broadleaf.
This solves a problem that looks impossible. Clover and alfalfa are broadleaf plants, so a broadleaf herbicide kills them along with the weeds — which is exactly why our clover guide warns that seeding clover means giving up whole-lawn broadleaf spraying. 2,4-DB is the exception, and the reason is biochemical rather than a matter of rate: legumes are far slower to convert 2,4-DB into the herbicidally active form, while many broadleaf weeds convert it readily. The weed poisons itself and the legume largely does not. That makes it the key product for a clover or alfalfa food plot, a legume pasture, or an interseeded clover stand you want to keep. Two limits. Selectivity depends on weed and crop stage, so the label's timing is not advisory — spraying outside it is where crop injury comes from. And a gallon is a plot-and-paddock quantity, not a lawn one. If you have clover in a lawn and want it gone rather than kept, this is the opposite of the product you want.
Product type
Selective Broadleaf Herbicide for Legumes (2,4-DB)
Active ingredient
2,4-DB, dimethylamine salt
Price range
$50–$62
Coverage
1 gallon concentrate; rates per label by crop and weed stage
Best for
Broadleaf weeds in a clover or alfalfa stand you intend to keep — food plot, legume pasture or interseeded clover
our editor rating
4.4 out of 5
Label read on EPA's label database
EPA Reg. No. 42750-38
We opened this product's accepted label on EPA's own Pesticide Product Label System — the strongest source available for what a product is registered to do.
Label read 2026-08-02 on EPA PPLS. Butyrac 200, EPA Reg. 42750-38, EPA Est. 42750-MO-1, registered to Albaugh. Crops on the label include ALFALFA (seedling and established), BIRDSFOOT TREFOIL, CLOVER, PEANUT and SOYBEAN — which is what supports the legume-plot use in food-plot-weed-control. The scanned 2010 label OCRs poorly and the active ingredient percentage could not be read cleanly, so it is deliberately not recorded here; the '200' in the name denotes 2 lb 2,4-DB per gallon by convention, which we are not treating as a label reading.
Where this page and the container disagree, the container wins — the label is the legal authority on rates and restrictions. How to read one yourself.
Common questions
Albaugh Butyrac 200 Herbicide, 1 Gallon typically runs $50–$62, covering 1 gallon concentrate; rates per label by crop and weed stage.
Albaugh Butyrac 200 Herbicide, 1 Gallon targets broadleaf weeds in clover, broadleaf weeds in alfalfa, ragweed, cocklebur.
2,4-DB, dimethylamine salt, registered under EPA Reg. No. 42750-38.
Only 34 Amazon ratings — a thin evidence base
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Product Reviews
Arkansas trials give a product, a rate and a month for each weed — and for horsenettle, three consecutive years. Look up the weed before you buy a bottle.

Weed Control
NDSU: most broadleaf herbicides tank mixed with grass herbicides reduce grass control. The fix is sequence — grass herbicide one day before, or seven days after.

Weed Control
Clover is a broadleaf, so broadleaf herbicide kills it. Three chemistries are selective enough not to — and the pre-plant kill is the one that matters most.

Lawn Care Guides
Microclover fixes its own nitrogen and feeds bees. It also ends whole-lawn broadleaf spraying forever, and dies back in winter. Extension seeding rates inside.

Weed Control
Grazing restrictions run from seven days to a year, and beef and dairy differ. UGA: without cultural practices, herbicide use will not be beneficial.

Weed Control
Clover spreads where nitrogen is short — it makes its own. Feed the turf and it recedes. If you still want it out, four actives work and one popular one is absent.
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