Ronstar FLO
Product Overview
Key Benefits
Works on warm-season grasses
- One pre-emergent application – even in cold weather, or weeks before seed germination – controls weeds all season long
- Offers an environment conducive to sprigging
- Doesn’t inhibit turf root growth or recovery from damage
- Doesn’t prevent roots from tacking dow
Use & Control
Bittergrass, bristly oxtongue, carpetweed, cheeseweed, common groundsel, common purslane, evening primrose ragwort, lambsquarters, liverwort, oxalis, Pennsylvania smartweed, prostrate spurge, redroot pigweed, sow thistle, speedwell, spotted catsear, swinecress, yellow woodsorrel
Grassy weeds:
Annual bluegrass, barnyardgrass, carpetgrass, crabgrass, fall panicum, goose grass, green foxtail, wild oats
Please see the product label for a full list of pests
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Related Resources
White Papers
Label
SDS
Use & Safety
Additional Information
State Approvals
Ronstar FLO has been federally approved and registered in all continental US states. Contact your Envu representative to learn more.
This map was most recently updated June 2, 2025
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