These products generally are best applied 2-3 weeks prior to the emergence of the targeted weed. In the St. Louis area, for crabgrass, application is usually ...

8 февр. 2013 г. · Typically in Missouri, we recommend those applications take place toward the end of March to the middle of April. Some like to follow the ...

The recommended application dates to prevent crabgrass are mid-March to mid-April. Applying Prevent too early in March can cause a lapse in coverage.

You need to apply pre-emergent weed control in St Peters MO from August to November. For early spring and summer weeds, it is best to apply them by mid-March.

11 сент. 2022 г. · You can apply a crabgrass preventer when the soil temperature reaches 55 to 60 degrees Fahrenheit for a few days in a row because that's when ...

15 мар. 2012 г. · In southern Missouri this may occur as early as mid-March; in central and northern Missouri this may not be until late March or early April.

Many are often referred to as “crabgrass preventor.” These prod- ucts should be applied by April 15 in the northern half of Missouri; by April 1 in the southern ...

15 мар. 2016 г. · Normally, April 15th is a good target date for applying these products because it gives the active ingredient time to evenly disperse in the ...

15 мар. 2024 г. · In Missouri, pre-emergent herbicides should be applied around late March through April.