Weedmaster is labeled for juniper but not Pinion trees per the label. You should only spot treat weeds directly around trees.
Weedmaster would not injure tolerant grass unless the product was over applied, applied at time when temperatures were over 90 degrees or if it was applied at a time the sun was directly over your yard.
There are no listed wait times for fertilizer applications after applying Weedmaster. Per the product label, "Apply with water or sprayable fluid fertilizer as a carrier. Sprayable fluid fertilizer may be used as the carrier in preplant or pre-emergence uses. Post-emergence uses with sprayable fluid fertilizer may be made only on pasture, hayland, or wheat crops."
For further product inquires, you may wish to contact the manufacturer Nufarm directly at 855-280-6609, or via their website's contact page here.
Weedmaster should be used within 24 hours of mixing with water.
Weedmaster should not be applied by aerial application when sensitive crops are growing in the vicinity. Please refer to page 4 of the product label where Wind Speed, Susceptible Plants and Equipment are discussed.
Weedmaster will be applied at the rate of 2.75 - 5.5 qts in 20 - 100 gallons of water per acre. Please review the product label for more information.
There is not a waiting period between grazing and treating with Weedmaster for non-lactating animals. For animals for slaughter, there is a waiting time of 30 days. Lactating animals should not graze for 7 days after application.
According to the manufacturer's product label, Weedmaster may cause injury to desirable plants and trees, and caution should be used to avoid applying near anything desirable and to stay well outside of the root zones of such plants.
We reached out to the manufacturer, and they felt that due to the way Weedmaster targets weeds and its formulation, it should not have a negative impact on beneficial microbes. In this case, a complete test has not been done, so we cannot give any more detailed information than what the manufacturer has provided.
Weedmaster is labeled for use in corn fields for preplant and pre-emergence applications only, so if you apply when the corn or maize is newly emerged, then you may get injury to the crops or they may be unsafe to consume. Please refer to page 14 of the product label for instructions for use around corn.
Weedmaster will only affect those weeds that are sprayed directly. Applications should be made on a non-windy day to prevent drift to non-target areas.
Per the product label, rainfall or irrigation should be avoided for atleast 4 hrs following an application Weedmaster for best results.
Unfortunately, Weedmaster is not labeled to help control coffeeweed. Instead, you can use Nufarm Weedar 64, which is labeled to help control coffeeweed and it can be used at a rate of 1/4 to 3 pints per acre. Please read the product label for complete application instructions.
