Herbicide label
Starane Flex Herbicide Label
Starane Flex (EPA 62719-604) is a Group 2 and 4 florasulam and fluroxypyr 1-methylheptyl ester herbicide labeled for 7 crops. The label lists 32 controlled weeds, plus partial-control, suppression, and partner-control categories.
Starane Flex label facts
- Product Starane Flex
- EPA Reg. No. 62719-604
- Registrant Corteva Agriscience
- Active ingredient florasulam and fluroxypyr 1-methylheptyl ester
- MOA group 2 and 4
Crops on the Starane Flex label
Starane Flex is labeled for these 7 crops and uses, per the EPA label.
Weeds on the Starane Flex label
The Starane Flex label names 44 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 control32- buckwheat, wild
- volunteer canola
- chamomile, corn
- chamomile, false
- mayweed, chamomile
- chamomile, wild
- chickweed, common
- cleavers
- volunteer flax
- flixweed
- knotweed
- kochia
- mallow, venice
- morningglory
- mustard, black
- mustard, blue
- mustard, tansy
- mustard, treacle
- mustard, tumble
- mustard, wild
- pennycress, field
- pineapple-weed
- prickly lettuce
- puncturevine
- purslane, common
- ragweed, common
- rocket, london
- shepherd's-purse
- smartweed, green
- ladysthumb
- smartweed, pennsylvania
- sunflower
Suppression
suppression12- bindweed, field
- canola, volunteer (clearfield)
- dandelion
- hempnettle
- horseweed
- mallow, common
- marshelder
- nightshade, black
- pigweed, redroot
- sowthistle, annual
- sowthistle, perennial
- thistle, russian
Starane Flex 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.
Starane Flex FAQ
What weeds does Starane Flex control?
The Starane Flex label names 44 weeds, including wild buckwheat, volunteer canola, corn chamomile, false chamomile, chamomile mayweed, and wild chamomile. Control varies by crop, rate, and timing.
What crops is Starane Flex labeled for?
Starane Flex is labeled for 7 crops and uses, including wheat, barley, spring wheat, winter wheat, and oats.
What is the active ingredient in Starane Flex? Is it a generic?
Starane Flex's active ingredient is florasulam and fluroxypyr 1-methylheptyl ester (MOA Group 2 and 4). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
Sources
Last updated 2026-09-17.