How to Control Lawn Nematodes in Florida
How to Control Lawn Nematodes in Florida
If you live in South Florida, you’ve probably dealt with your fair share of lawn issues—from persistent weeds to brown patches that no amount of watering seems to cure. One of the silent but most damaging culprits in these cases? Lawn nematodes. These microscopic roundworms are difficult to see with the naked eye but can wreak havoc on even the most well-maintained Florida lawns.
Understanding Lawn Nematodes
Nematodes are soil-dwelling roundworms that feed on plant roots. In Florida—especially in hotter, humid climates like those in Palm Beach, Broward, and Miami-Dade counties—parasitic nematodes like root-knot, sting, and lance nematodes are common. Unlike beneficial nematodes that help with pest control, these varieties negatively impact grass roots, causing them to shrink, discolor, or die.
As their numbers grow, nematodes reduce your lawn’s ability to absorb water and nutrients, even if you’re watering and fertilizing regularly. The result? Sparse grass, yellow patches, and a lawn that looks stressed no matter how much love you give it.
Signs Your South Florida Lawn Has a Nematode Problem
Because nematodes operate underground, homeowners often confuse their damage with drought or poor soil conditions. Here are some telltale signs to watch for:
– Irregular patches of thinning, yellow grass
– Grass that doesn’t improve with water or fertilizer
– A discolored lawn, even during the growing season
– Spongy turf with weakened root systems
– Stunted grass growth
If your lawn shows these signs, it’s time to take a closer look—and maybe even reach out for a professional soil analysis, which many landscaping and lawn care specialists offer.
Why South Florida Lawns Are More Vulnerable
Florida’s sandy soils and year-round warmth create the perfect breeding ground for nematodes. Unlike colder climates where winter can reduce nematode populations, Florida’s mild temperatures allow them to survive and multiply throughout the year.
Additionally, the grass species most commonly used in South Florida landscaping, such as St. Augustinegrass and Bermuda grass, are particularly susceptible to infestation.
Best Practices for Controlling Nematodes
Although it’s nearly impossible to eliminate nematodes entirely, smart landscape management can help reduce their impact and keep your lawn looking lush.
1. Choose the Right Grass Species
Some grass types are more tolerant of nematode activity. Ask your landscaper about alternatives if your current lawn is prone to persistent issues. While St. Augustine is common, it may not be ideal for every yard. Zoysia and Bahia grasses tend to be more nematode-resistant.
2. Improve Soil Health
Healthy, organic-rich soils support beneficial microorganisms that can help keep nematode populations in check. Adding organic matter such as compost or mulch enriches the soil and helps turf recover from damage.
3. Enhance Lawn Care Practices
Proper mowing, watering, and fertilization play a huge role in reducing stress on your grass. A well-maintained lawn is more resilient and less susceptible to nematode damage.
– Mow at the proper height for your grass type
– Water deeply but infrequently to encourage deeper roots
– Use fertilizers based on soil test results, not guesswork
4. Apply Nematode-Deterring Treatments
There are a few treatment options that can reduce nematode activity. Bionematicides made from natural or organic compounds are safer for the environment and can be incorporated into routine lawn treatments.
Beneficial nematodes can also be applied to attack the harmful varieties. However, this treatment plan should be handled by professionals who understand the soil composition and pest behavior specific to South Florida.
5. Regular Soil Testing and Monitoring
Since visual diagnosis of nematodes is tough, regular soil sampling can help you catch problems early. Many South Florida landscaping companies offer testing as part of their lawn maintenance services. Catching a nematode issue in its early stages saves time, money, and a lot of stress.
South Florida Landscaping Professionals Can Help
At Horsemans Landscaping, we understand the unique challenges of maintaining a healthy lawn in Florida’s tropical climate. With over two decades of experience in South Florida, our team of experts stays updated on the latest treatments and lawn care techniques to keep your landscape pest-free and beautiful.
We start with a full evaluation of your lawn, including soil testing when needed, to determine if nematodes are impacting your grass. Then, we tailor a treatment plan that’s safe, effective, and designed to work with Florida’s natural ecosystem.
Whether you’re dealing with nematode damage or want to prevent future infestations, our lawn care programs are customized to fit the needs of your property—whether residential or commercial.
Looking for dependable landscaping help in Coral Springs, Parkland, Boca Raton, or surrounding areas? You don’t have to go it alone. Work with a local team that knows the ins and outs of Florida lawns.
Schedule your free consultation with our experts today. Learn more at
https://horsemanslandscape.com
More Resources From Horseman’s Landscaping
If you’re trying to achieve a flawless outdoor space in South Florida, our blog and resources are packed with practical tips for year-round care. Be sure to read our guide on The Best Grass Types for South Florida Lawns for insight into what turf varieties are best suited for nematode-prone areas.
At Horsemans Landscaping, we believe your lawn should be a place you’re proud to show off—not a source of stress. Let us help you improve its health from the roots up.