Where’s your lawn?
A nearby city is all we need as a climate reference — nothing is uploaded.
Soil temp Timing Seed scores
Choose a city
PBI-Gordon · Liquid
SpeedZone Southern
Broadleaf weeds in southern turf, including St. Augustine
2,4-D ester 10.49%, mecoprop-p 2.66%, dicamba 0.67%, carfentrazone 0.54%
Post-emergent — broadleaf weeds
In your 2 gal tank1.5 fl oz0.8 fl oz per gallon · covers 1,000 sq ft
Whole lawn7.5 fl oz over 5,000 sq ft
Tanks to mix5.010 gal of water in total
1.5 fl oz per 1,000 sq ft (label range 0.6–2.2). About a third the strength of regular SpeedZone, so the two are not interchangeable at the same fl oz. Nothing broadcast above 85°F, and nothing on St. Augustine during spring green-up.
Label wants 1–5 gal of water per 1,000 sq ft — that puts a 2 gal tank at 400–2,000 sq ft.
- Spot spraying: 1.5 fl oz per gallon on the label — for touch-ups, not for covering the lawn.
- Do not water in — leave it on the leaf.
- Keep off until dry. Rainfast in about 3 hours.
- 2 broadcast treatments a season, 30 days apart.
- Rate is per species: common bermuda 1.1–1.8, hybrid bermuda and zoysia 0.75–1.5, St. Augustine 0.55–1.5 (never Floratam or Bitterblue), cool-season 1.5–2.2.
- Read the label — it governs, not this page.
Jobs that call for it
Where this product shows up in the season — open a job for the full how-to.