When to Apply Preemergent Herbicides for Turfgrasses
When to Apply Preemergent Herbicides for Turfgrass in North Carolina It is well documented that our winter temperatures are rising …
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NC State Extension, NC State University
Winter Injury on Warm-Season Grasses
There is little question, the cool spring has been a challenge for warm-season grasses. They have been slow to …
Timing of Preemergent (PRE) Herbicide Applications for 2023 – Apply Earlier - Like Now!!!
From previous research, we know that crabgrass germinates with 24-hour mean soil temperatures average about 53-55 degrees at a …
Cool Spring Has Slowed Growth of Warm-Season Turfgrasses
Lots of homeowners have been expressing concern over the appearance of various warm-season turfgrasses this spring. Bermudagrass, centipedegrass, zoysiagrass, …
Winter Glyphosate Applications to Bermudagrass
Glyphosate applications to dormant bermudagrass in winter are excellent for general weed control. Many weeds, including Poa annua, can …
EPA Issues Review of Glyphosate
EPA just issued a review of glyphosate. Here is the most significant statement “As part of this action, EPA …
Annual Bluegrass (Poa Annua) Spring Invasion
Fred Yelverton, PhD …
Effect of Excessive Rainfall on Preemergent Herbicides
A preemergent herbicide application is an effective, commonly performed practice for annual weed control in many established turfgrass systems. …
Pesticide Persistence in Turfgrass Clippings
Turfgrass clippings are collected during mowing and may be composted or used as garden mulch, where they may provide …
Winter Damage of Warm Season Grasses
In an earlier Alert I wrote that green-up of our warm-season grasses was late in 2014. At that time …
Cold Winter Could Impact Pre Herbicide Decision
The cold weather this winter is reminiscent of the winters we had during the early 1990’s. From 1990 to …
Fall Weed Control Options for Home Lawns
Fall is a great time for postemergence winter weed control. Each year is unique so there is no magical …