When To Apply Crabgrass Preventer In Nc

For best results apply the herbicide in the morning after the dew has dried.
When to apply crabgrass preventer in nc. These products form a layer of protection on or near the surface of the soil. Crabgrass preventer should be applied when soil temperatures reach 50 to 55 degrees. Here is how to use a soil thermometer correctly to take this reading you will be using a screwdriver first to make a pilot hole. Crabgrass germinates fairly early in the spring.
Crabgrass germination continues over a 10 to 12 week period. If you wait until late afternoon dew or a shower may prevent maximum absorption. Rainfall shortly after application will wash the product away before the crabgrass has a chance to absorb it. That s the right time to apply scotts halts crabgrass preventer which contains the herbicide pendimethalin.
Early march is the time to apply pre emergent herbicides to lawns in southeastern north carolina. Around here it usually happens in march. Pre emergent herbicides control summer annual grassy weeds such as crabgrass. Crabgrass is best controlled using pre emergence weed management products.
When the soil temperature rises above 50 degrees fahrenheit which is about the time the first flowers and bushes start to bloom crabgrass seeds begin to germinate. The best time to apply a crabgrass preventer will be when the soil temperature reaches 55 60 degrees fahrenheit and holds that reading for a few days in a row.