New Sod Care • Palm Beach County
The First Four Weeks Determine Everything.
Watering cadence, first mow timing, and early nutrition — done right, roots grab fast and the lawn builds density instead of stalling out.
Care basics
First 3–4 Weeks After Install
Get these three things right and the lawn has a real shot at establishing strong. Get them wrong and even great sod can stall out, thin, or fail to root before the stress window hits.
Watering
Days 0–7: seams and edges stay consistently damp; brief, frequent cycles — how many depends on the season (summer: 3–4×/day; spring: 2–3×; winter: 1–2×).
Days 8–14: shift to fewer, longer sessions — typically 1–2×/day with extended run times — to start pushing roots down rather than just wetting the surface.
Weeks 3–4: deeper and less frequent; every other day or less based on weather and rainfall. See the full season-specific schedule for exact timing by month.
No puddling or runoff; shaded areas need significantly less than full-sun zones.
Mowing & Traffic
First mow when sod resists a firm tug and blades are roughly ⅓ above the target height.
Sharp blade only; bag clippings the first couple of cuts. Keep heavy traffic off for 2–3 weeks while rooting establishes.
Nutrition
Wait at least 14 days before any fertilizer application — new roots aren’t ready for it before that. Avoid high-phosphorus “starter” fertilizers unless a soil test specifically shows a deficiency.
At weeks 3–4, begin a balanced slow-release program with nitrogen, potassium, and micronutrients matched to the variety and season.
What to expect
Week-by-Week: 0–8 Weeks
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Days 0–3 Root start
Short, frequent watering keeps seams consistently damp. No traffic, no mowing — let the roots start making contact with the soil below.
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Days 4–7
Lift at corners — should start to resist slightly. Keep edges moist and check irrigation aim; edges and seams dry out first and lose ground fast if missed.
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Week 2
Tug resistance increases. Transition to fewer, longer watering sessions — typically 1–2× per day with significantly extended run times — to push roots deeper rather than just keeping the surface moist. First light mow when the tug-test confirms the sod is holding.
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Weeks 3–4 Transition
Shift toward deeper, less frequent watering to push roots down. Start the nutrition program if planned and timing is appropriate for the season.
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Weeks 5–8
Normal mowing cadence at the correct height for the variety. Watering moves to weather-driven — deeper and less frequent as the root system matures.
Timing adjusts for wind, extreme heat, heavy shade, or significant rainfall — the schedule is a starting point, not a fixed rule.
Match care to the grass
Quick Reference by Variety
St. Augustine (e.g., Palmetto, ProVista)
- Keep edges extra moist the first 10 days — this variety is prone to chinch bug pressure during the heat of establishment.
- First mow high; never remove more than ⅓ of the blade. Scalping shaded areas sets back recovery significantly.
Zoysia
- Even, deeper watering as roots establish; allow slight surface dry-down between cycles — Zoysia doesn’t want to sit wet.
- Keep blades sharp — Zoysia shows blade fray from dull cuts more visibly than other varieties.
Bermuda (hybrids)
- Frequent, lighter cuts work better than infrequent heavy ones. Recovery once rooted is excellent — it just needs to get there.
- Watch for scalping on uneven grade; level in the shoulder season if the surface isn’t flat.
Controller setup
Sample Watering Program — Adjust for Weather
This example reflects a warm-season (summer/spring) installation. Frequency drops significantly in cooler months. For season-specific schedules, see the full new sod watering guide.
| Window | Start Times | Run Time / Zone | Notes |
|---|---|---|---|
| Days 0–3 | 7am • 11am • 3pm • 6pm | 8–10 min (spray) • 12–15 min (rotor) | Seams and edges stay consistently damp. Water completed sections during install — don’t wait for the whole yard to be laid. |
| Days 4–7 | 7am • 12pm • 5pm | 8–10 min • 12–15 min | Pull back if the surface stays glossy or wet between cycles — overwatering is just as damaging as under. |
| Week 2 | 7am (+ noon if needed) | 25–30 min (spray) • 40–50 min (rotor) | Fewer sessions, much longer runs — this is where the shift from surface moisture to deep root development happens. Tug-test should show increasing resistance. |
| Weeks 3–4 | 7am (every day → every other day) | 25–30 min (spray) • 40–50 min (rotor) | Deep and infrequent; skip after ½”+ of rainfall. Use rain skip if the controller supports it. |
Catch-cup (or tuna-can) test confirms even coverage — rotate or repair mis-aimed heads early before dry zones set in.
Get the heights right
Mowing Heights & Frequency
St. Augustine
- Height: 3.5–4.5″ — go higher in shaded areas.
- Cadence: weekly in season; the one-third rule is non-negotiable — remove more than that at once and recovery stalls.
Zoysia
- Height: 1–2″ — confirm for the specific cultivar. Reel or sharp rotary only.
- Cadence: weekly; increase frequency during growth flushes to avoid clumping and thatch buildup.
Bermuda
- Height: 0.5–1.5″ — depends on the site and how level the surface is.
- Cadence: 1–2×/week during peak growth; light and frequent passes outperform infrequent heavy cuts.
The short version
Do / Don’t
Do
- Run a tug test in 3–5 spots before pulling back on water — don’t assume, confirm.
- Run a catch-cup test and fix mis-aimed heads before dry zones cause permanent damage.
- Keep a sharp blade and bag clippings for the first couple of cuts.
- Spot-treat weeds only after rooting is established; follow all label timing requirements.
Don’t
- Don’t let water puddle or run off — split long cycles into shorter runs if needed.
- Don’t mow if the sod still lifts easily — wait a few more days, not a few more minutes.
- Don’t stress new sod with heavy traffic, parked equipment, or concentrated foot paths while roots are shallow.
- Don’t blanket-spray herbicides until safe for the specific variety and rooting stage.
When something looks off
Troubleshooting Guide
| Symptom | Likely Cause | What to Do |
|---|---|---|
| Edges browning or shrinking | Edges dry out first — poor head-to-head coverage at the perimeter | Add a short dedicated edge cycle; re-aim heads; hand-water seams mid-day for a week until coverage catches up. |
| Gray or olive patches after rain | Fungal activity on tender leaf tissue — wet canopy, poor dry-down | Improve dry-down between cycles; mow on schedule with a sharp blade; reach out if the patches expand instead of stabilizing. |
| Wilting by mid-day | Under-watering or wind exposure pulling moisture faster than the system is replacing it | Add a short mid-day cycle; check the controller time and zone run times to confirm they’re actually running as set. |
| Blades frayed after mowing | Dull blade tearing instead of cutting; too much removed in one pass | Sharpen the blade; stick to the one-third rule; raise the height one notch and work back down gradually. |
The full picture
First 90 Days at a Glance
- 0–2 weeks: frequent moisture matched to the season; no traffic; monitor edges and seams closely — this is the highest-risk window.
- Weeks 3–4: shift to regular mowing cadence; begin the nutrition plan at the 14-day mark or later when timing and season allow.
- Weeks 5–8: deeper, less frequent watering; spot-treat weeds only after rooting is confirmed and the variety clears for treatment.
- By 90 days: transition to the established lawn watering schedule — 2–3×/week in the growing season, 1×/week in the dry season, within Palm Beach County restriction days.
Questions we get most
Sod Care FAQs
Anything not answered here gets covered during the walkthrough — every lawn is different enough that a site-specific answer beats a general one.
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When should the first mow happen?
When the sod resists a firm tug and the grass is roughly ⅓ taller than the target height. Sharp blade only — bag clippings for the first couple of cuts to keep from smothering newly rooted turf.
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How much water is the right amount?
Evenly moist, not soupy — and the right amount depends significantly on the season. Summer installations typically need 3–4 short cycles per day in week one; winter installations need just 1–2. In both cases, week two shifts to fewer sessions with much longer run times to push roots deeper. The sample irrigation program above reflects warm-season conditions. For complete month-by-month guidance, see the full new sod watering guide.
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When does fertilizer start?
Wait at least 14 days — new roots aren’t ready for fertilizer before then, and applying too soon can burn them. When timing is right (typically weeks 3–4), use a balanced slow-release formula with nitrogen, potassium, and micronutrients. Avoid high-phosphorus “starter” fertilizers unless a soil test specifically shows a deficiency. Rate and product get matched to the variety and season.
Want a care plan built for your specific lawn?
Watering schedule, mowing height, and nutrition dialed in for the actual light, soil, and variety on the property.