Roundup for lawns ready to use

Pre-Emergent Herbicides Pre-emergent herbicides, like Atrazine and Protek Clear All, prevent weed seeds from germinating. These are often used before planting crops or on lawns in early spring to control annual weeds like crabgrass. Preemergent Herbicide is ideal for preventing weeds from taking root in lawns and gardens, providing a proactive solution to weed management.