To get rid of these painful Bur Weeds from FL lawns they need to be hoed NOT pulled during the cool season. It is important that this type of weed gets removed from the grass before the warm weather in Florida arrives. This is when the seeds drop into the ground & produce more sticky weeds in the lawn.Pre-emergent herbicides sometimes aren't effective on this weed as other species are wiped out allowing the bur weed to thrive in the lawn. Ideally, these type of weeds should be removed before they mature & they are easier to manage.
Steps To Prevent Weeds in Your Lawn:
A HEALTHY lawn prevents this issue of pesky weeds. Lawns in SWFL should be Fertilized in March, May and September but NEVER during summer months. The proper fertilizer used by your lawn care company in Naples,FL should be 15-0-15, Nitrogen, Phosphorous, Potassium to maintain balance.
Lawns should be watered ideally between 6am & 10am no more than 1" of water. To be sure that your lawn is getting the proper amount of water irrigation should be ran for about 20 minutes. Measure the amount of water in a container it should measure between 1/3-1".
Remember to remove the weeds before they mature next season. September is the best time of the year to remove Bur Weeds in Naples,FL. Apply herbicide mostly on dead grass where these types of weeds thrive. It's best not to apply chemicals directly to healthy grass because it may kill the green areas of lawn. Use chemicals only during late winter early spring. You can buy spray to kill Crabgrass which will also kill the weeds at your local garden center in Naples,FL. Don't spray Round Up as it will kill everything green along with the weeds.