If you have Bermuda, Zoysia, St. Augustine, Centipede, or even Bahiagrass and you’re tired of dollarweed, clover, dayflower, dogfennel, chamberbitter, or any of the other 90+ broadleaf weeds that plague Southern lawns, one of the best tools in your arsenal is Image for Southern Lawns (the one with the purple text on the new midnight-blue bottle).
Meet the New Bottle: Image Weed Killer for Southern Lawns
So what has changed in 2025: Only the packaging!
The formula is 100 % identical to the old “Purple Top” bottle that the lawn care community has loved for years. Same four active ingredients, same killer results, just a sleek new look.
Why It’s Still one of the Best
Most store-bought weed killers have one active ingredient and one mode of action.
Image for Southern Lawns has 4 active ingredients and 3 modes of action:
| Active Ingredient | % | Group | Mode of Action | What You’ll See |
| 2,4-D + Dicamba | 1.87% | 4 | Synthetic auxins (growth regulators) | Twisting, cupping, curling so weeds explode from the inside |
| Sulfentrazone | 0.14 % | 14 | PPO inhibitor (contact burn) | Rapid browning/necrosis of leaf tissue |
| Penoxsulam | 0.14% | 2 | ALS inhibitor (stops amino-acid production) | Slow yellowing for death over 2-4 weeks |
Three kill pathways = almost no weed gets away.
Safe on Every Major Warm-Season Grass
- Bermuda
- Zoysia
- St. Augustine
- Centipede
- Bahiagrass
Mixing & Application
Rate that works on every warm season grass without guessing:
- 6.2 fl oz of concentrate per 1 gallon of water
- Spot spraying: spray weeds until dripping wet
- Blanket spraying: 1 gallon of mixed spray covers 1,000 sq ft
A hose-end ready-to-use version exists for zero mixing, just hook and go (covers up to ~6,000 sq ft).
Advanced users with heavy infestations can go up to the max labeled rate (usually 8 - 8.6 oz/gal), but 6.2 oz is plenty for 95 % of homeowners and keeps you safely in the middle of the label.
Step-by-Step Instructions
- Fill backpack sprayer halfway with water
- Add 6.2 oz per gallon you plan to mix (Example: 2 gallons = 12.4 oz total)
- Top off with water and shake
- Use a fine-mist tip (The red fan tip if you have the Yard Mastery sprayer)
- Spray weeds until thoroughly wet, coverage is everything with systemic products
Application & Safety Rules
- Do NOT mow 2 days before OR 2 days after application
- Keep people & pets off until spray is dry (15 - 60 min)
- Do NOT apply if air temp is 85 °F or higher (spray early morning or evening instead)
- Visible results start in 3 - 7 days with full kill in 14 - 28 days
- Re-application interval: minimum 30 days between applications
- Personal Protective Equipment: rubber gloves, long sleeves, long pants, socks, and closed toed shoes.
Bottom Line
If you can only buy one broadleaf weed killer this year for your warm-season lawn, make it Image for Southern Lawns (purple text, midnight-blue bottle). It’s still the most effective, safest, homeowner-friendly option on the shelf in 2025. Grab it at Home Depot, Lowe’s, Ace, or your local garden center, follow the 6.2 oz/gallon rate above, and watch dollarweed, clover, dayflower, and everything else melt away.
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