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Treflan Granular Herbicide
PCP #20836 · Gowan Company, LLC · Herbicide
Group 3
Group 3 preemergence granular herbicide containing 5% trifluralin for control of annual grasses and broadleaf weeds in woody ornamental plantings and nursery stock. Controls susceptible weeds by killing seedlings as they germinate.
Registered uses (20)
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI |
|---|---|---|---|
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
| Ornamentals | Annual grasses and broadleaf weeds | 36.4 kg/acre | — |
About this content. This page presents the official PMRA label as published by Health Canada's Pest Management Regulatory Agency, the source of record. Always read the official label and consult your provincial pesticide- application authority before use. Report an error.