Pre-emergent herbicides stop weeds by attacking roots and shoots before they sprout. They also kill grass seed, so space seeding and spraying at least 12 weeks apart. Plan carefully to time both tasks ...

In most cases, herbicide application should not be considered as a first option for weed control. Hand weeding, hoeing, and mulching are tedious but effective methods of weed control. Sometimes, ...

A: The three pre-emergents most used and recommended by OSU for homeowners are prodiamine, pendimethalin and dithiopyr. These are the generic chemical names, and they all are sold by several companies ...

It's important to understand the proper timing for this herbicide to work correctly. Pre-emergent herbicides are truly the unsung heroes of weed prevention because they form an invisible barrier in ...