Herbicide label

Wildcard Xtra Herbicide Label

Wildcard Xtra (EPA 5905-550) is a Group 4 and 6 bromoxynil and mcpa herbicide labeled for 8 crops. The label lists 49 controlled weeds, plus partial-control, suppression, and partner-control categories.

Wildcard Xtra label facts

Crops on the Wildcard Xtra label

Wildcard Xtra is labeled for these 8 crops and uses, per the EPA label.

Weeds on the Wildcard Xtra label

The Wildcard Xtra label names 56 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 control49
  • buckwheat, tartary
  • cocklebur, common
  • cockle, cow
  • fiddleneck
  • jimsonweed
  • ladysthumb
  • lambsquarters, common
  • marshelder
  • mustard, black
  • mustard, tumble
  • nightshade, black
  • nightshade, cutleaf
  • nightshade, eastern black
  • nightshade, hairy
  • nightshade, silverleaf
  • pennycress, field
  • pepperweed spp.
  • pigweed, redroot
  • pigweed, smooth
  • pigweed, spiny
  • poppy, horned
  • rocket, london
  • sage, lanceleaf
  • shepherd's-purse
  • smartweed, green
  • smartweed, pennsylvania
  • sowthistle, annual
  • sunflower
  • tarweed, common
  • waterhemp, common
  • chamomile, corn
  • gromwell, corn
  • groundsel, common
  • henbit
  • knawel
  • knotweed, prostrate
  • kochia
  • morningglory, ivyleaf
  • morningglory, tall
  • mustard, blue (purple)
  • mustard, tansy
  • pigweed
  • puncturevine
  • radish, wild
  • ragweed, common
  • ragweed, giant
  • sesbania, hemp
  • tarweed
  • velvetleaf

Suppression

suppression4
  • buckwheat, wild
  • mustard, wild
  • rocket, yellow
  • thistle, canada

Controls with a tank-mix partner

needs partner3
  • chickweed
  • filaree, broadleaf
  • wild oats

Wildcard Xtra 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.

Wildcard Xtra FAQ

What weeds does Wildcard Xtra control?

The Wildcard Xtra label names 56 weeds, including tartary buckwheat, common cocklebur, cow cockle, fiddleneck, jimsonweed, and ladysthumb. Control varies by crop, rate, and timing.

What crops is Wildcard Xtra labeled for?

Wildcard Xtra is labeled for 8 crops and uses, including wheat, barley, winter wheat, spring wheat, and durum wheat.

What is the active ingredient in Wildcard Xtra? Is it a generic?

Wildcard Xtra's active ingredient is bromoxynil and mcpa (MOA Group 4 and 6). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.

Sources

Last updated 2026-09-30.