Lawn Maintenance Schedule for St. Augustine, FL

Zone 9a lawn care fundamentals

St. Augustine, FL sits squarely in USDA Hardiness Zone 9a, where winters are mild but not frost-free and summers are long, hot, and intensely humid. The dominant turfgrass in the region — Floratam St. Augustine — thrives in these conditions when managed correctly, but it is also sensitive to mowing mistakes, overwatering, and temperature swings at the seasonal transitions. Understanding the climate calendar is the first step toward a consistently healthy lawn.

Sandy coastal soils are the rule here. They drain quickly, which is good for avoiding root rot, but they also require more targeted irrigation than heavier soils farther inland. According to UF/IFAS Extension, St. Augustine grass on sandy soils often shows drought stress sooner than homeowners expect, making calibrated irrigation scheduling essential rather than optional.

Seasonality in zone 9a is real but compressed compared to northern states. Rather than a sharp dormant winter, St. Augustine grass enters a semi-dormant or reduced-growth phase during December through February, then signals green-up as soil temperatures rise through March. Tracking that soil temperature — not just the calendar — is the best cue for adjusting your mowing and irrigation schedule, a recommendation consistently reinforced by UF/IFAS publications for the region.

• Soil type: Sandy loam; drains well but requires consistent irrigation attention.
• Primary grass: Floratam St. Augustine; some homes in older neighborhoods may have Palmetto or Seville varieties.
• Average first frost: December or January in most years, though many winters pass without one near the coast.
• Growing season: Approximately 10 months, with peak growth June through August.

Spring (March–May): green-up and momentum

Spring is the most important season to get right. As soil temperatures climb above 60°F — typically in late February to early March in St. Augustine — Floratam begins breaking dormancy and pushing new lateral growth. The decisions you make in March and April set the density and health trajectory for the entire growing season ahead.

Mowing in Spring: Resume mowing as soon as the lawn shows consistent green growth, not before. Start at 3.5 inches and move toward 4 inches as temperatures rise into May. Never remove more than one-third of the blade in a single mow. In March, mowing frequency may be every 10–14 days; by May, expect to be on a weekly or near-weekly schedule as growth accelerates. Keep mower blades sharp — dull blades tear the wide Floratam leaf blade and create entry points for disease.

Edging in Spring: After a winter of slow growth, St. Augustine commonly encroaches into beds and along driveways and sidewalks. Early Spring is the time to reestablish a clean edge. For homeowners in communities like Palencia, Shearwater, and Silverleaf, crisp edges are often part of HOA visual standards, so staying ahead of overgrowth avoids issues before summer density kicks in.

Bed care in Spring: Refresh pine straw or mulch in planting beds before the summer rains begin. Spring is a good time to edge beds cleanly and remove winter-dead annual material. Well-mulched beds conserve soil moisture and suppress weed pressure during the warm months ahead.

Cleanup in Spring: Remove accumulated leaf litter, especially under live oaks — which drop leaves in late winter and early spring — and clean out gutters and downspout splash zones before the rainy season arrives in June. Debris left on the lawn can smother recovering turf and hold moisture against the soil, creating conditions favorable for fungal disease.

• Mow height: 3.5–4 inches, increasing as temps rise.
• Mow frequency: Every 10–14 days in March; weekly by May.
• Irrigation: Follow SJRWMD two-day-per-week schedule; supplement only if turf shows drought curl or blue-gray color.
• Pest watch: Begin scouting for sod webworm larvae and early chinch bug activity in warm, sunny areas.

Summer (June–August): peak growth and storm prep

Summer is peak season for St. Augustine grass in zone 9a — and also peak season for everything that can go wrong. High heat, afternoon thunderstorms, and elevated humidity create ideal conditions for both rapid turf growth and the pests and diseases that exploit any weakness in lawn health. A disciplined summer maintenance routine keeps you ahead of both.

Mowing in Summer: Maintain a 4-inch mowing height through the summer months. The higher cut shades the soil, reduces moisture evaporation, and discourages weed germination. With Floratam's aggressive summer growth, weekly mowing is standard; during the peak of June and July, some lawns may push toward every 5–6 days. Mow in the morning or early afternoon when possible to avoid leaving cut grass sitting in humid evening conditions, which can encourage fungal development.

Irrigation in Summer: June typically marks the beginning of Florida's rainy season, and a properly calibrated rain sensor or smart controller should reduce or eliminate supplemental irrigation during weeks with adequate rainfall. NOAA data consistently shows St. Augustine and St. Johns County average well over 7 inches of rain per month in June, July, and August — meaning irrigation systems left on fixed schedules often overwater, creating shallow roots and waterlogged conditions. Audit your system at the start of June and confirm rain sensors are functioning.

Edging and detail in Summer: Weekly edging at mow visits keeps St. Augustine's aggressive runners from creeping into beds, along driveways, and into neighboring turf zones. Beds benefit from a mid-summer mulch check — pine straw and wood mulch break down quickly in Florida heat, and a refresher layer helps retain moisture during any dry spells between storms.

Storm prep in Summer: Hurricane season begins June 1. Summer storm prep for lawns includes keeping tree canopies properly trimmed so branches don't become projectiles, maintaining clear drainage paths in yards so stormwater doesn't back up and saturate the root zone, and having a plan for post-storm debris cleanup. Saturated soils after a tropical storm or hurricane are especially vulnerable — avoid mowing or heavy foot traffic on waterlogged turf for at least 24–48 hours after major events.

• Mow height: 4 inches consistently.
• Mow frequency: Weekly; every 5–6 days during peak growth.
• Irrigation: Rain sensor active; follow SJRWMD two-day restriction; skip weeks with sufficient rain.
• Pest watch: Chinch bugs are highest risk July–August; also watch for tropical sod webworm and armyworm feeding damage.
• Disease watch: Gray leaf spot thrives in hot, humid, wet conditions — look for small lesions with a yellow halo on blades.

Fall (September–November): transition and recovery

Fall in St. Augustine, FL is subtler than northern autumns, but it is a real seasonal transition. Daytime temperatures begin easing in October, nights cool noticeably by November, and soil temperatures gradually approach the threshold below which St. Augustine grass slows its growth and begins conserving energy. This is a season for consolidating summer's growth, addressing any stress from heat or storm damage, and preparing the lawn to carry a good root reserve into winter.

Mowing in Fall: Continue at 4 inches through September and into October. As growth slows in November, reduce mowing frequency from weekly to every 10–14 days. Avoid the temptation to scalp or cut very low heading into winter — taller blades insulate the crown from the occasional cold snap and support the photosynthetic activity the plant needs to build carbohydrate reserves. UF/IFAS consistently recommends against low-cut scalping of St. Augustine before winter.

Irrigation in Fall: September and October often still bring occasional tropical moisture, but by November irrigation needs rise as rainfall decreases and evapotranspiration drops. Adjust controllers as days shorten and temperatures fall. SJRWMD restrictions remain in effect year-round, so continue following the two-day-per-week rule and only apply water when turf shows signs of stress. Sandy soils can dry out faster than homeowners expect during dry November periods.

Bed care in Fall: Fall is an excellent time to define and refresh bed edges before winter. Cleaning up summer annuals, thinning overgrown perennials, and adding a fresh layer of pine straw before December helps beds look tidy through the slower months and reduces weed pressure. In neighborhoods like Trailmark and Beacon Lake, fall bed cleanups are a common service request as homeowners want the yard looking sharp for the holiday season.

Cleanup in Fall: Hurricane season officially ends November 30. By late November, confirm your yard has been cleared of any storm debris accumulated during the season. Remove any dead palm fronds, broken branches, and piles of debris that could harbor pests or block drainage. This is also a good time to clean out gutters before winter rains and check that drainage swales are clear.

• Mow height: 4 inches; do not scalp before winter.
• Mow frequency: Weekly in September; taper to every 10–14 days in November.
• Irrigation: Reduce as rainfall decreases; maintain SJRWMD compliance.
• Pest watch: Large patch fungus risk rises as soil temperatures drop below 70°F in October–November — watch for expanding circular brown patches in the lawn.

Winter (December–February): semi-dormancy

Floratam St. Augustine does not go fully dormant the way warm-season grasses do in colder climates, but it does slow dramatically during December through February in zone 9a. Growth essentially stops or becomes minimal, the lawn loses some vibrancy, and the plant shifts its energy underground. Proper winter management is about protection and patience — not stimulation.

Mowing in Winter: Mow only as needed during winter, which may mean once every 3–4 weeks or even less. Keep the height at 3.5–4 inches — do not scalp. If a brief warm spell pushes a flush of growth, mow it at the same height rather than trying to cut the lawn shorter to “get ahead of it.” The most common winter lawn mistake in St. Augustine, FL is scalping during a January warm spell, which removes the leaf canopy the grass needs when cold returns.

Irrigation in Winter: Irrigation needs drop significantly in winter. Many weeks will require no supplemental irrigation at all, especially with normal December–January rainfall. SJRWMD restrictions still apply, but the practical target is to water only if drought stress is visible — look for the characteristic blue-gray color and footprint persistence on blades. Overwatering in cool weather is one of the primary triggers for large patch fungus.

Bed care and cleanup in Winter: Winter is the lowest-maintenance period for beds, but it is a good time for structural tasks: resetting edging, laying fresh pine straw, and removing any debris that accumulated under live oaks, which continue dropping leaves and branches through winter. Clean, mulched beds insulate plant roots during the occasional cold nights that arrive in January and February.

Pest watch in Winter: Most insect pest activity is minimal during the cooler months, but large patch fungus can be actively spreading if irrigation is excessive or if prolonged wet weather occurs. Walk the lawn periodically and note any expanding brown or tan circular patches — catching large patch early limits the spread into spring green-up. If you suspect active disease, note the pattern, size, and rate of spread and share that information with a licensed applicator.

• Mow height: 3.5–4 inches; mow only as needed.
• Mow frequency: Every 3–4 weeks or less.
• Irrigation: Water only when visible drought stress appears; follow SJRWMD rules.
• Pest watch: Monitor for large patch fungus; minimal insect pest activity expected.

Irrigation targets and SJRWMD restrictions

The St. Johns River Water Management District (SJRWMD) sets the irrigation rules for St. Johns County, and those rules are not seasonal — they apply year-round. The standard residential rule allows irrigation on two assigned days per week, and watering is prohibited between 10 a.m. and 4 p.m. to minimize evaporation. Checking the current SJRWMD schedule for your address at the start of each season is essential, as rules can be modified during drought declarations.

For Floratam St. Augustine on sandy coastal soil, the general irrigation target is approximately 0.5–0.75 inches of water per application event, applied at the root zone level (roughly 4–6 inches deep). The practical way to calibrate this is the tuna-can test: place empty cans in the irrigation zones and measure how much water they collect during a full cycle. If your system delivers the target amount in one cycle, a twice-weekly application on allowed days is typically sufficient through the growing season when rain is not supplementing.

NOAA historical data for the St. Augustine area shows distinct seasonal rainfall patterns: the rainy season (June–September) typically delivers more than enough water for turf health without supplemental irrigation most weeks; the dry season (November–April) is when irrigation becomes genuinely necessary to prevent drought stress. Smart irrigation controllers that adjust based on local ET (evapotranspiration) data or rainfall sensors are strongly recommended by both UF/IFAS and SJRWMD to prevent overwatering.

• Year-round rule: Two days per week maximum; no watering 10am–4pm.
• Rainy season target: Run system only in weeks where natural rainfall falls short of 0.5–0.75 inch per application event.
• Dry season target: Irrigate on both allowed days unless rainfall exceeds targets; watch for drought curl and blue-gray color as stress signals.
• System check: Test rain sensors and timer settings at the start of each season — a stuck sensor or broken head can silently overwater or underwater a zone for months.

Overwatering is a common cause of shallow root systems, increased disease pressure, and nutrient leaching in St. Augustine lawns. If your lawn consistently looks lush after minimal rainfall, your irrigation system may be running more than the turf actually needs. A professional irrigation audit can identify over-spray, broken heads, and miscalibrated runtimes — issues that are especially common in older systems throughout St. Augustine, Vilano Beach, and Anastasia Island neighborhoods.

Pest and disease watch by season

One of the most important things a homeowner can do for their St. Augustine lawn is learn what to look for — not necessarily how to treat it. Because applying insecticides and fungicides requires a licensed applicator under Florida law, your role is to identify signs of trouble early and route the information to the right professional. Catching a pest or disease outbreak early almost always limits damage and keeps remediation costs lower.

Chinch bugs are the most destructive insect pest of St. Augustine grass in Florida. They are most active in hot, dry, sunny conditions — peak risk is July through August. Signs include expanding patches of yellowing or browning grass, often starting near driveways, curbs, or south-facing areas where heat accumulates. Chinch bug damage is frequently mistaken for drought stress, so if drought-stress areas do not recover within 48 hours of irrigation, look more closely at the turf-soil interface for the small insects.

Tropical sod webworm and armyworm feeding damage typically appears as closely-grazed or “scalped” patches of turf, often occurring rapidly overnight. Moths are frequently spotted flying in front of lawn mowers or in the grass at dusk — this is a behavioral cue to watch for during late summer and early fall. Armyworm infestations can be dramatic and fast-moving, so prompt identification and contact with a licensed applicator matters.

Gray leaf spot is a fungal disease that thrives during hot, humid summer weather, particularly when lawns receive excess irrigation or nitrogen stress. It appears as small tan or brown spots with a gray center and yellow halo on leaf blades. Affected areas may first look like drought stress or light deficiency. Gray leaf spot is most common in June through September in zone 9a.

Large patch (previously called brown patch) is a fungal disease that affects St. Augustine grass during cooler, wet periods — primarily October through April. It appears as circular or irregularly shaped patches of tan, brown, or orange grass, with a distinct darker border at the active edge. Large patch can spread significantly if conditions remain favorable and is one of the more visually striking lawn diseases in St. Johns County.

• Spring: Watch for sod webworm, early chinch bug in sunny zones, and new large patch activity as soil warms unevenly.
• Summer: Highest risk for chinch bugs, armyworms, and gray leaf spot.
• Fall: Rising large patch risk as temperatures cool; armyworm activity can extend into October.
• Winter: Low insect activity; watch for large patch continuing to spread in wet or overwatered areas.

If you observe any of these signs, document with photos and note the size, location, and rate of change. Share that information with a licensed pest or lawn care applicator. Lawnshark Landscaping can connect you with licensed applicators in St. Johns County who handle treatments — see the service note below.

Hurricane season lawn prep (June 1–Nov 30)

Hurricane season officially spans June 1 through November 30, and St. Augustine's coastal position makes storm preparedness a genuine part of the seasonal lawn maintenance calendar. NOAA tracks Atlantic storm activity annually, and in active seasons, the St. Johns County area can face threats ranging from tropical moisture and high winds to direct landfalls. A lawn that is well-maintained heading into a storm event recovers faster and poses fewer hazards.

Tree and palm trimming: Properly maintained trees are the single most important storm-preparedness step in landscaping. Overgrown canopies act as sails in high winds; dead branches and weak crotches become airborne projectiles. UF/IFAS recommends structural pruning rather than excessive “hurricane haircut” trimming — the goal is to remove dead and weak material, not to strip trees of leaf canopy. In neighborhoods like World Golf Village and Murabella, where mature live oaks are common, tree trimming before peak storm season is a standard annual task.

Clearing debris and loose materials: Before each hurricane warning, walk the property and secure or store anything that could become a projectile: pots, decorative stones, outdoor furniture, and hose caddies. On the lawn maintenance side, ensure no large limbs or dead palm fronds are waiting to be blown into structures or vehicles.

Drainage and soil prep: A lawn with unobstructed drainage swales and beds that are not over-mulched handles storm surge and flooding better than one with blocked paths. Inspect drainage swales along property lines in June and again in September to ensure they are clear. If low-lying areas of your yard already pool water after heavy rain, make note of those spots — they will need attention and potentially longer recovery time after a major storm event.

Post-storm recovery: After a tropical storm or hurricane, saturated soils are common. Wait 24–48 hours before mowing or walking heavily on the lawn to avoid compaction and tearing of recovering turf. Remove debris promptly — debris piled on turf for more than a few days can suffocate and kill the grass underneath. If significant amounts of sod or topsoil have been displaced or washed, document the damage before attempting repair. Lawnshark Landscaping provides yard cleanup and storm cleanup services for St. Johns County homeowners who need professional help with post-storm recovery.

• June: Confirm tree canopies are trimmed; test drainage swales; verify rain sensors are active.
• Active storm threat: Secure loose items; clear gutters and downspouts.
• Post-storm: Wait 24–48 hours before mowing saturated turf; remove debris promptly; document damage.
• End of season (November): Clear accumulated storm debris before winter; check drainage paths are still open.

Month-by-month quick reference

Use this compact calendar as a quick planning reference. Adjust timing based on actual weather conditions in your area — a warm February or a rainy October can shift tasks by two to three weeks in either direction. Always follow current SJRWMD irrigation rules regardless of the month.

• January: Mow only as needed (3.5–4 in.); water only if drought stress visible; watch for large patch; no major bed work needed.
• February: Begin watching for signs of green-up; continue minimal mowing; prepare to shift irrigation schedule as soil warms; clean up live oak leaf drop.
• March: Resume regular mowing at 3.5–4 in. as green-up begins; reestablish bed edges; refresh pine straw; resume twice-weekly irrigation if rain is insufficient; scout for early chinch bug activity.
• April: Increase mowing to weekly cadence as growth builds; edge driveways and walkways; audit irrigation system heads and sensors; watch for sod webworm.
• May: Weekly mowing at 4 in.; beds mulched and edged; irrigation system calibrated for summer; pest scouting active; confirm drainage paths clear before rainy season.
• June: Weekly to near-weekly mowing; rain sensor active — reduce irrigation on rainy weeks; hurricane season begins: trim trees and palms, check drainage; watch for chinch bug and gray leaf spot.
• July: Peak growth and peak pest risk; mow weekly at 4 in.; skip irrigation weeks with adequate rainfall; highest chinch bug watch; check for armyworm moth activity at dusk.
• August: Continue peak-season mowing and irrigation management; tropical storm season active — maintain debris-free yard; continued chinch bug and gray leaf spot vigilance.
• September: Begin watching for armyworm and large patch as temperatures ease; maintain mowing at 4 in.; adjust irrigation as rain patterns shift; hurricane season continues through November 30.
• October: Taper mowing frequency as growth slows; large patch risk rising — inspect for brown circular patches; refresh bed edges and pine straw; reduce irrigation as temperatures fall.
• November: Mow every 10–14 days; water only when stress is visible; hurricane season ends November 30 — clear any accumulated storm debris; clean gutters before winter rains.
• December: Minimal mowing; low irrigation need; monitor for large patch in wet periods; rest and plan for next spring's green-up.

For homeowners in areas like Palencia, Nocatee, and St. Augustine Shores who manage larger lots with more established landscaping, this calendar pairs well with a professional maintenance schedule — consistent mowing, edging, and bed care throughout the year reduces the amount of corrective work needed each spring and keeps turf in the strongest possible condition heading into each new season.

Putting your schedule into action

A well-planned lawn maintenance schedule is most effective when it is executed consistently. The lawns that hold up best through St. Augustine's heat, humidity, tropical storms, and occasional cold snaps are almost always the ones that receive regular, season-appropriate care rather than reactive bursts of attention after something goes wrong. Establishing a rhythm — weekly mowing and edging during the growing season, calibrated irrigation, timely bed care, and proactive pest scouting — makes each season's transition easier and each problem smaller.

If managing the full calendar feels like a lot to coordinate, professional St. Augustine lawn maintenance service can take the weekly tasks off your plate while you focus on the seasonal decisions. Lawnshark Landscaping serves homeowners across St. Johns County, from Palencia and World Golf Village to Anastasia Island and Vilano Beach, with recurring mowing, edging, and bed care. If you are looking for lawn care in Palencia specifically, we are familiar with the HOA standards and turf conditions common in that community.

For pest and disease concerns or fertilizer timing, we can refer you to licensed applicators in St. Johns County who hold the appropriate FDACS credentials. For irrigation adjustments, our team can assess head placement, coverage, and sensor function as part of a maintenance visit. And when a tropical storm leaves debris across your yard, our storm cleanup service is available to help with rapid recovery.

To schedule a maintenance visit or ask about recurring service, call Lawnshark Landscaping at 806-464-2771, Monday through Saturday, 7 a.m. to 6 p.m., or email lawnshark904@gmail.com. We are happy to walk through your current lawn condition and build a plan that fits your property, your schedule, and your goals for the year.

How this applies to your St. Augustine yard

Every piece of advice above has to be filtered through the reality of North Florida — USDA hardiness zone 9a, humid subtropical climate, sandy coastal soils, a long growing season, and an Atlantic hurricane season that runs June through November. A tactic that works in Atlanta or Dallas often falls apart in St. Johns County because the climate is genuinely different. The calendar works differently, the grass species work differently, the pests work differently, and the irrigation needs are wildly different from inland Southern lawns.

On the coast — St. Augustine Beach, Vilano Beach, Anastasia Island, Crescent Beach — salt-laden air is a factor that inland yards never deal with. Salt tolerance matters for every plant selection. West of I-95 in the master-planned communities (World Golf Village, Palencia, TrailMark, Shearwater, SilverLeaf, Murabella, Beacon Lake, Nocatee) the big factor is HOA standards and tree canopy from mature oaks and pines. In older St. Augustine and St. Augustine Shores, live oak canopy and established beds create their own micro-conditions. One size does not fit all across the 15-mile service radius we work inside.

Why a local St. Johns County crew matters

There is a real gap between a national or regional lawn company running generic playbooks and a local St. Augustine crew that knows which streets flood first in a summer downpour, which HOA in Palencia wants dark brown mulch versus which section of Nocatee approves pine straw, and which homes on Anastasia Island have well-water irrigation that stains driveways if the heads are misaimed. That local knowledge is the difference between a yard that looks okay and a yard that looks genuinely cared for.

Lawnshark Landscaping Inc. is based in St. Augustine, FL. Our trucks park here, our crews live here, and our 15-mile service radius is strict so we can actually run a tight schedule. We are fully licensed and insured, and certificates of insurance are emailed directly to HOA property managers before the first visit on any HOA property. That single detail removes a lot of friction for homeowners in World Golf Village, Palencia, Beacon Lake, Nocatee, SilverLeaf, Murabella, TrailMark, and Shearwater.

Related services worth combining

Most questions about seasonal overlap with other services. Weekly lawn maintenance pairs naturally with quarterly mulch and pine straw refresh, semiannual palm tree trimming, and an annual irrigation audit. Sod installations almost always make more sense when combined with a full bed refresh and an irrigation tune-up because a new lawn is only as good as the water delivery behind it. Hardscape projects (paver patios, walkways, retaining walls) usually trigger a landscape design refresh on the surrounding beds because newly finished hardscape highlights every tired planting it sits next to.

We run all nine of our services under one crew with one invoice, which means you are not juggling three contractors who each blame the others when something slips. One call, one accountable team. If you want to bundle we will quote it as a single flat rate — a common bundle for a St. Johns County home is weekly lawn maintenance, quarterly mulch refresh, and palm trim twice a year, which is enough to keep a property at HOA standard year round without any additional scheduling effort from you.

What a free estimate looks like

Every estimate is free, on-site, written, and flat-rated before any work begins. There are no deposits required, no trip fees, and no obligation after the quote lands in your inbox. We walk the property with you (or alone, if you prefer), measure the lawn, count the bed linear feet, identify the grass cultivar, check irrigation coverage, and note any HOA requirements for the property. The written quote typically lands in your email within 48 hours of the visit.

If you move forward, recurring services can usually start within 3–7 days of approval and we lock a fixed day of the week for your property. One-time projects (sod installs, paver patios, landscape design) are scheduled based on current queue — fall (October through February) is our fastest hardscape window because the lawn-maintenance load drops. Call 806-464-2771 or email lawnshark904@gmail.com to schedule an estimate. For snowbird, seasonal, or out-of-state owners we run photo-documented service so you have full visibility into property condition without needing to visit.

The St. Augustine seasonal calendar in plain English

Because our climate runs on a different rhythm than most of the country, it helps to have a simple month-by-month frame for how St. Johns County yards behave. January and February are cool and dormant — St. Augustine grass goes semi-dormant below 55°F and you will see color fade, which is normal, not a problem. This is the right window for hardscape work, tree trimming, bed refresh, and landscape design because the lawn is quiet. March is the wake-up: first mow of the season. A licensed chemical lawn company (not us — fertilizer and pre-emergent are a separate FDACS license) will typically want to apply pre-emergent crabgrass control and the first light fertilization once nighttime temps hold above 65°F. April and May are the strong growth window — weekly mowing, sharp blades, and the first real irrigation tune-up of the year.

June through September is the hard season. Daily afternoon storms, high humidity, and soil temperatures over 85°F create perfect conditions for chinch bugs, gray leaf spot, take-all root rot, and fungal pressure on St. Augustine grass. Mowing frequency stays weekly, sometimes every five days on irrigated lawns. Irrigation should run early morning only — never evening — to avoid leaf wetness overnight. Hurricane season is also live, so homeowners need a plan for pre-storm yard prep and post-storm debris cleanup. October and November are recovery months — a last fertilization of the year is typical before the winterizer cutoff (handled by your licensed applicator, not us), plus gutter and leaf cleanup under live oak canopy, and prepping irrigation for cooler nights. December is quiet maintenance mode.

Common mistakes we see on St. Augustine properties

A handful of mistakes show up on almost every new estimate we walk. Mowing too short is the most common — St. Augustine grass should be cut at 3.5 to 4 inches, never lower. Scalping a Floratam lawn opens the door to weeds, chinch bugs, and fungal disease within one or two mow cycles. Watering every day on a timer is the second most common error — deep, infrequent watering (roughly 3/4 inch twice a week) produces far stronger roots than daily light watering, which trains roots to stay shallow and makes the lawn fragile the first time a timer fails or a storm knocks out power.

Over-fertilizing in summer is the third — a mistake we see on estimate walkthroughs, though the fertilization itself is done by a separately licensed applicator, not by us. Heavy nitrogen applications when soil temperatures are high push fast top growth that chinch bugs and fungal disease love. Applying mulch too thick against tree trunks and plant bases (volcano mulching) is the fourth — two to three inches total is plenty, pulled back from trunks by a few inches. Ignoring irrigation coverage gaps is the fifth — most yards we audit have at least one zone with a head that has drifted, clogged, or been clipped by a mower. A thirty-minute irrigation walk once per quarter catches all of that before a brown patch appears in the wrong place.