SpeedZone Southern Herbicide is labeled to control lawn burweed.
You can mix and apply other herbicides with SpeedZone Southern Herbicide as long as you first perform a small jar test for compatability. You also need to be sure to follow the most restrictive label when mixing products, and be sure that you are using the correct rates for each product. Keep in mind, also, that pre-emergent herbicides will need to be watered in with rainfall or irrigation within the amount of time specified on the label, while a post-emergent like the SpeedZone Southern should have at least 24 hours without rainfall or irrigation for best results.
Please note that Speedzone Southern has been discontinued and replaced with Speedzone Southern Herbicide EW.
According to the product label, SpeedZone Southern Herbicide should not be applied to susceptible crops or other desirable broadleaf plants including but not limited to cotton, tomatoes, legumes, tomatoes, or other vegetables, and ornamentals (such as flowers, trees, and shrubs).
SpeedZone Southern Herbicide is not specifically labeled for lady’s thumb (redshank). Please provide your desired turf for an alternate recommendation.
SpeedZone Southern Herbicide treated areas are safe to walk on once dry. A few hours after application should have been enough time for this to happen. Just be sure no areas are wet before allowing contact.
According to the SpeedZone Southern Herbicide product label: The turf tolerance to this product may vary and temporary turf grass yellowing may occur on St Augustine. Do not apply Speedzone Southern to Floratam, Bitterblue or other improved species of St Augustine. Do not broadcast or spot spray St Augustine during the fall to winter transition or if temperatures are expected to fall below 40F within 10 days of the application.
Speedzone Southern is labeled for Dollarweed and for use on St Augustine grass. According to the Speedzone Southern product label: The turf tolerance to this product may vary and temporary turf grass yellowing may occur on St Augustine. Do not apply Speedzone Southern to Floratam, Bitterblue or other improved species of St Augustine. Do not broadcast or spot spray St Augustine during the fall to winter transition or if temperatures are expected to fall below 40F within 10 days of the application.
Please take a few moments to read through the product label completely for full instructions and other precautions.
SpeedZone Southern Herbicide should not be applied in an irrigation system per product label instructions.
As long as the two labels are not competing on where you are allowed to use them, and you follow the more restrictive label for application you should be able to tank mix the two with no problem. Always do a tank mix text first to ensure no adverse reactions and spot treat an area before treating the whole yard with the mixture.