Preharvest is the best time to control perennial weeds such as Canada Thistle, quackgrass, and sowthistle. But, it's important to get the timing of your application just right to be effective.

Click on the links below for tips on how to better assess weed and crop staging, and how to effectively apply Roundup Transorb(R) HC herbicide.

Tip # : Weed Staging
Tip # : Crop Staging
Tip # : Uniform Drydown
Tip # : Roundup is not a Desiccant