Prevent Weeds
Prodiamine 65WGDProdiamine 65WGD
Quali-Pro
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At a glance
- Grass types
- St. Augustine · Bermuda
Why use it—and how?
AI automatically looks up why and how to use Prodiamine 65WGD for St. Augustine, using product and lawn-care sources.
Prodiamine 65WGD is a pre-emergent herbicide designed to prevent specific grassy and broadleaf weeds from germinating in your lawn. It does not kill existing weeds; it only stops new ones from sprouting.
Is it right for St. Augustine?
According to manufacturer information, this product is labeled for use on established St. Augustine grass. However, you must consult the specific product label for any restrictions regarding specific cultivars, such as Floratam, as label requirements can vary.
Why use it?
You would use this product to create a barrier in the soil that prevents weed seeds from developing into mature plants. It is unnecessary if you do not have a history of weed issues or if you are planning to overseed your lawn, as the product will also prevent your desired grass seed from germinating.
How to approach using it
- Read the entire product label to confirm it is appropriate for your specific lawn conditions and to understand all safety requirements.
- Identify the correct timing for application based on soil temperatures, as pre-emergents must be applied before target weed seeds begin to germinate.
- Measure your lawn area accurately to ensure you apply the product at the rate specified on the label for your grass type.
- Apply the product evenly across the lawn, following all label instructions regarding watering-in requirements and personal protective equipment (PPE).
Before you apply
This is a pre-emergent only; it will not control weeds that have already emerged. Always refer to the physical product label for exact application rates, environmental precautions, and safety instructions. Do not apply until you have verified the label instructions for your specific situation.
Sources to review
AI can make mistakes. This is educational guidance—not a diagnosis or an application prescription. Always follow your exact product label for rates, restrictions, and safety.
AI guidance ready. Review the sources above and your product label.
Grass compatibility
How I’d Use It
Use the sourced guidance below for application context. Confirm rates, timing, watering, and grass restrictions on your exact product label before applying.
View how-to guidanceTools I’d Use With This Product
Where to buy
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Product details
- Full product name
- Prodiamine 65WGD
- Manufacturer
- Quali-Pro
- Category
- Prevent Weeds
- Application unit
- lb
Always follow the product label. Label rates, grass restrictions, timing, and safety precautions take priority over this guide.