Quali Pro Prodiamine Herbicide

Prodiamine 4L is a pre-emergent herbicide, meaning it must be applied before weed seeds germinate. For most regions, the primary application window is in early spring, though it can also be used in the fall to prevent winter annuals.

No, the liquid flowable formulation of Prodiamine 4L is non-staining. It is safe to use around hardscapes, provided you follow the label instructions for proper application.

This product provides long-lasting residual activity for up to 26 weeks. This extended duration helps maintain a weed-free environment throughout the entire growing season.

Yes, Prodiamine 4L is labeled for use in landscapes and nurseries. It is effective at preventing weed emergence around established ornamentals without harming them, provided you apply it according to the specific rates listed on the product label.

No, Prodiamine 4L is a selective pre-emergent herbicide. It is designed to prevent new weeds from emerging from seeds, but it will not eliminate weeds that have already sprouted.

Prodiamine 4L is safe for most established turfgrasses, but it is important to consult the product label for a complete list of compatible grass types. It should not be applied to newly seeded lawns until the grass is well-established, as it can inhibit root development.