Herbicide label

Roundup Custom

Roundup Custom (EPA 524-343) is a Group 9 glyphosate herbicide labeled for 4 crops. The label lists 187 controlled weeds, plus partial-control, suppression, and partner-control categories.

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Official EPA label (PDF)

“Product Description: This product is a postemergence, systemic herbicide that, when mixed in the spray tank with a surfactant that is approved for aquatic use, may be used for both aquatic and terrestrial weed control.”

— Roundup Custom EPA label, Reg. No. 524-343

Roundup Custom label facts

Crops on the Roundup Custom label

Roundup Custom is labeled for these 4 crops and uses, per the EPA label.

Need the rate or timing for one of these? Filter every label by your crop, free.

Weeds on the Roundup Custom label

The Roundup Custom label names 210 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.

Controls

full control187
  • anoda, spurred
  • apple, balsam
  • bahiagrass
  • barley
  • barley, little
  • barnyardgrass, common
  • bassia, fivehook
  • beachgrass, European
  • bermudagrass
  • bermudagrass, water
  • bindweed, field
  • bittercress
  • bittersweet, Oriental
  • blackberry
  • blackgum
  • bluegrass, annual
  • bluegrass, bulbous
  • bluegrass, kentucky
  • blueweed, texas
  • brackenfern
  • brome, downy
  • brome, japanese
  • bromegrass, smooth
  • bursage, woolly-leaf
  • buttercup
  • canarygrass, reed
  • castor bean
  • cattail
  • mallow
  • chervil
  • chickweed
  • clover, red
  • clover, white
  • cocklebur, common
  • cogongrass
  • copperleaf, hophornbeam
  • copperleaf, virginia
  • cordgrass
  • coreopsis, plains
  • corn
  • cottonwood, eastern
  • crabgrass
  • cupgrass, woolly
  • cypress, bald
  • cypress, swamp
  • dallisgrass
  • dandelion
  • dwarf dandelion
  • false dandelion
  • deerweed
  • dewberry
  • dock, curly
  • dogbane, hemp
  • eclipta
  • eucalyptus, blue gum
  • false flax, small-seed
  • fescue
  • fescue, tall
  • fiddleneck
  • filaree, broadleaf
  • fleabane, annual
  • fleabane, hairy
  • fleabane, rough
  • foxtail
  • foxtail, carolina
  • gallberry
  • carolina geranium
  • goatgrass, jointed
  • goosegrass
  • groundsel, common
  • hackberry, western
  • hazel
  • poison hemlock
  • henbit
  • hogweed, giant
  • honeysuckle
  • horsenettle
  • horseradish
  • horseweed
  • horsetail, field
  • huckleberry
  • iris, yellow flag
  • itchgrass
  • ivy, cape
  • ivy, German
  • poison ivy
  • jerusalem artichoke
  • johnsongrass
  • johnsongrass, seedling
  • junglerice
  • knapweed
  • knotweed
  • knotweed, Bohemian
  • knotweed, giant
  • kochia
  • lambsquarters
  • lespedeza
  • prickly lettuce
  • loosestrife, purple
  • magnolia, sweetbay
  • maidencane
  • mannagrass, eastern
  • mayweed
  • medusahead
  • milkweed, common
  • morning glory
  • muhly, wirestem
  • mullein, common
  • mustard, blue
  • mustard, tansy
  • mustard, tumble
  • mustard, wild
  • needles, spanish
  • nightshade, black
  • nightshade, silverleaf
  • nutsedge, purple
  • nutsedge, yellow
  • oak, red
  • oats
  • wild oats
  • orchardgrass
  • panicum, browntop
  • panicum, fall
  • panicum, texas
  • pennycress, field
  • pepperweed
  • pepperweed, virginia
  • pigweed
  • prunus
  • puncturevine
  • purslane, common
  • pusley, florida
  • quackgrass
  • ragweed, common
  • ragweed, giant
  • brambles
  • redcedar, eastern
  • reed, common
  • reed, giant
  • red rice
  • rocket, london
  • rocket, yellow
  • cereal rye
  • ryegrass
  • ryegrass, perennial
  • sage, black
  • saltbush
  • salvinia, giant
  • sandbur, field
  • sea myrtle
  • sesbania, hemp
  • shattercane
  • shepherd's-purse
  • sicklepod
  • sida, prickly
  • signalgrass, broadleaf
  • smartweed, ladysthumb
  • smartweed, pennsylvania
  • smartweed, swamp
  • grain sorghum
  • sowthistle, annual
  • speedwell, corn
  • speedwell, purslane
  • sprangletop
  • spurge, annual
  • spurge, prostrate
  • spurge, spotted
  • spurry, umbrella
  • starthistle, yellow
  • stinkgrass
  • sunflower
  • sweetgum
  • thistle, artichoke
  • thistle, canada
  • thistle, russian
  • timothy
  • trumpetcreeper
  • tules, common
  • vaseygrass
  • velvetgrass
  • velvetleaf
  • virginia creeper
  • waterlettuce
  • water primrose
  • wheat
  • wheatgrass, western
  • witchgrass

Partial control

partial23
  • alfalfa
  • alligatorweed
  • bearclover
  • bentgrass
  • buckwheat, california
  • catsclaw
  • chamise
  • cutgrass, giant
  • hasardia
  • monkey flower
  • oak, scrub
  • peppertree, Brazilian
  • phragmites
  • redvine
  • sage, white
  • spurge, leafy
  • sumac, laurel
  • sumac, sugarbush
  • sweet potato, wild
  • torpedograss
  • toyon
  • waxmyrtle, southern
  • yerba santa, California

Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.

Roundup Custom rates and plant-back

The label answers both with a table, not a single number. Here is what drives each answer.

Application rate

Your rate depends on your crop.

Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.

Plant-back and rotation

Your interval depends on your application rate and the rotational crop.

Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.

Roundup Custom FAQ

What weeds does Roundup Custom control?

The Roundup Custom label names 210 weeds, including spurred anoda, balsam apple, bahiagrass, barley, little barley, and common barnyardgrass. Control varies by crop, rate, and timing.

What crops is Roundup Custom labeled for?

Roundup Custom is labeled for 4 crops and uses, including sugarcane, grass seed, annual ryegrass, and fallow.

What is the active ingredient in Roundup Custom? Is it a generic?

Roundup Custom's active ingredient is glyphosate (MOA Group 9). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

What's the plant-back interval after Roundup Custom?

It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.

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Can I tank-mix Roundup Custom?

It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.

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Sources

Last updated 2026-07-14.