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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 ...

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: 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, ...

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 ...