One reviewer noted that Preen isn't a crabgrass killer but a preventer. The implication is that this product, even as a sometimes post-emergent treatment, isn't meant to deal with a lawn full of ...

BROAD-SPECTRUM WEED CONTROL: Tenacity herbicide is a liquid lawn weed ... SELECTIVE PRE- AND POST-EMERGENT CONTROL: Based on a naturally occurring compound produced by the bottlebrush plant ...

Crabgrass, also known as Digitaria sanguinalis, is a species of grass that is not considered appropriate for a lawn. It is ...

PRE-EMERGENT HERBICIDE: Quali-Pro's Prodiamine 65 WDG provides pre-emergent grass and broadleaf weed control. Flexible application allows for both spring and fall use providing season long ...

If you apply pre-emergence herbicides too early, the barrier it creates may weaken before the germination window. This leaves ...