Herbicide label
Wildcard Xtra
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.
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Wildcard Xtra label facts
- Product Wildcard Xtra
- EPA Reg. No. 5905-550
- Registrant Helena Agri-Enterprises, LLC, d/b/a Helena Chemical Comp
- Active ingredient bromoxynil and mcpa
- MOA group 4 and 6
Crops on the Wildcard Xtra label
Wildcard Xtra is labeled for these 8 crops and uses, per the EPA label.
- wheat
- barley
- winter wheat
- spring wheat
- durum wheat
- oats
- cereal rye
- flax
Need the rate or timing for one of these? Filter every label by your crop, free.
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
- chamomile, corn
- cocklebur, common
- cockle, cow
- fiddleneck
- gromwell, corn
- groundsel, common
- henbit
- jimsonweed
- knawel
- knotweed, prostrate
- kochia
- ladysthumb
- lambsquarters, common
- marshelder
- morningglory, ivyleaf
- morningglory, tall
- mustard, black
- mustard, blue (purple)
- mustard, tansy
- mustard, tumble
- nightshade, black
- nightshade, cutleaf
- nightshade, eastern black
- nightshade, hairy
- nightshade, silverleaf
- pennycress, field
- pepperweed spp.
- pigweed
- pigweed, redroot
- pigweed, smooth
- pigweed, spiny
- poppy, horned
- puncturevine
- radish, wild
- ragweed, common
- ragweed, giant
- rocket, london
- sage, lanceleaf
- sesbania, hemp
- shepherd's-purse
- smartweed, green
- smartweed, pennsylvania
- sowthistle, annual
- sunflower
- tarweed
- tarweed, common
- velvetleaf
- waterhemp, common
Suppression
suppression4- buckwheat, wild
- mustard, wild
- rocket, yellow
- thistle, canada
Controls with a tank-mix partner
needs partner3- chickweed
- filaree, broadleaf
- wild oats
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
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.
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Wildcard Xtra FAQ
What weeds does Wildcard Xtra control?
The Wildcard Xtra label names 56 weeds, including tartary buckwheat, corn chamomile, common cocklebur, cow cockle, fiddleneck, and corn gromwell. 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.
Can I tank-mix Wildcard Xtra?
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 cites the condition on each, so you can verify it.
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Sources
Last updated 2026-07-10.