ScientificName: Paspalum dilatatum
Description: Dallisgrass is a perennial that germinates when the temperature is around 60-65 degrees.
Organic Control: Use an organic preemergent in the fall and in the spring such as corn gluten meal to stop any new germination from occurring. 20% Vinegar or other acid based weed control products can kill the foliage of any currently established weeds.
Interesting Fact: This weed loves the hot and humid conditions of the south and can be highly invasive in these areas.