Herbicide label
Hat Trick Three Way Herbicide Label
Hat Trick Three Way (EPA 34704-1017) is a Group 4 clopyralid, fluroxypyr 1-methylheptyl ester, and mcpa herbicide labeled for 5 crops. The label lists 87 controlled weeds, plus partial-control, suppression, and partner-control categories.
Hat Trick Three Way label facts
- Product Hat Trick Three Way
- EPA Reg. No. 34704-1017
- Registrant Loveland Products, Inc.
- Active ingredient clopyralid, fluroxypyr 1-methylheptyl ester, and mcpa
- MOA group 4
Crops on the Hat Trick Three Way label
Hat Trick Three Way is labeled for these 5 crops and uses, per the EPA label.
Weeds on the Hat Trick Three Way label
The Hat Trick Three Way label names 99 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 control87- alfalfa
- jerusalem artichoke
- beans, volunteer
- bedstraw, catchweed
- bindweed, hedge
- buckwheat, wild
- burcucumber
- burdock
- buttercup
- volunteer canola
- chamomile, false
- mayweed, chamomile
- chickweed
- clover, black medic
- clover, hop
- clover, red
- sweetclover
- clover, white
- cocklebur, common
- coffeeweed
- cornflower
- hoary cress
- croton
- daisy, oxeye
- dandelion
- devilsclaw
- dock, perennial
- dock, seedling
- dogbane, hemp
- fiddleneck
- fleabane, hairy
- flixweed
- volunteer flax
- galinsoga
- grape species
- groundcherry
- groundsel, common
- hawksbeard, narrowleaf
- hawkweed, orange
- hawkweed, yellow
- horseweed
- jimsonweed
- knapweed, diffuse
- knapweed, spotted
- knotweed
- kochia
- lambsquarters
- lentil, volunteer
- prickly lettuce
- locoweed, Lambert
- locoweed, white
- mallow, common
- mallow, venice
- marshelder
- morningglory
- mustard
- nettle, burning
- nightshade, black
- nightshade, cutleaf
- nightshade, hairy
- pea, volunteer
- pennycress, field
- pigweed
- pineapple-weed
- plantain, narrow-leaved
- puncturevine
- purslane, common
- ragweed, common
- ragweed, giant
- rocket, london
- salsify, meadow
- shepherd's-purse
- sicklepod
- sorrel, red
- sowthistle, annual
- sowthistle, perennial
- starthistle, yellow
- sunflower
- teasel, common
- thistle, bull
- thistle, canada
- thistle, musk
- velvetleaf
- vetch
- whitebush
- carrot, wild
- radish, wild
Suppression
suppression12- horsetail, field
- filaree, broadleaf
- knapweed, russian
- knotweed, ladysthumb
- mallow
- oxalis
- potato, volunteer
- smartweed
- smartweed, ladysthumb
- spurge, prostrate
- thistle, russian
- wormwood, biennial
Hat Trick Three Way 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.
Hat Trick Three Way FAQ
What weeds does Hat Trick Three Way control?
The Hat Trick Three Way label names 99 weeds, including alfalfa, jerusalem artichoke, volunteer beans, catchweed bedstraw, hedge bindweed, and wild buckwheat. Control varies by crop, rate, and timing.
What crops is Hat Trick Three Way labeled for?
Hat Trick Three Way is labeled for 5 crops and uses, including wheat, barley, durum wheat, oats, and grass seed.
What is the active ingredient in Hat Trick Three Way? Is it a generic?
Hat Trick Three Way's active ingredient is clopyralid, fluroxypyr 1-methylheptyl ester, and mcpa (MOA Group 4). 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.