Spring in Central Florida is prime time for lawns to wake up—and for weeds to do the same. With warm temperatures, increasing rainfall, and sandy soils, weeds can quickly take over if not managed early. The key is combining prevention, proper lawn care, and targeted treatment.

Start with prevention. Applying a pre-emergent herbicide helps stop weed seeds like crabgrass and spurge before they germinate. Timing is critical—once weeds are visible, pre-emergents won’t work. Look for products labeled for your specific grass type, whether it’s St. Augustine, Bahia, or Zoysia.

Mowing practices play a bigger role than many homeowners realize. Keep your grass at the recommended height—usually 3.5 to 4 inches for St. Augustine. Taller grass shades the soil, making it harder for weed seeds to sprout. Avoid cutting more than one-third of the blade at a time, and keep mower blades sharp to reduce stress on the turf.

Proper watering is another essential factor. Central Florida lawns generally need about 1 to 1.5 inches of water per week, including rainfall. Water deeply but infrequently to encourage deep root growth. Shallow, frequent watering promotes weak grass and creates ideal conditions for weeds. Early morning watering is best to reduce disease risk.

Fertilization should be done strategically. Apply a slow-release fertilizer in spring after your lawn has fully greened up—usually around April. Avoid over-fertilizing, as this can feed weeds just as much as your grass. A healthy, dense lawn is your best defense against weed invasion.

If weeds have already appeared, post-emergent herbicides can help. Choose a selective herbicide that targets the specific weeds you’re dealing with without harming your grass. Broadleaf weeds like dollarweed and clover respond well to certain formulations, while grassy weeds may require a different approach. Always follow label directions, especially in warm temperatures, to prevent lawn damage.

Hand-pulling can also be effective for small infestations, especially after a rain when the soil is soft. Be sure to remove the entire root to prevent regrowth. For persistent or widespread problems, spot-treat rather than applying herbicide across the entire lawn.

Mulching landscape beds and maintaining clean edges along sidewalks and driveways can further reduce weed spread. Weeds often creep in from these areas, so keeping them under control helps protect your turf.

Lastly, patience and consistency matter. Weed control in Central Florida isn’t a one-time fix—it’s an ongoing process. By staying ahead with pre-emergents, maintaining proper mowing and watering habits, and addressing issues early, you can keep your lawn thick, green, and weed-free throughout the spring season.

If you need help with weeds or anything else, contact your friends at ELT Landscape.