Myrtle Beach, SC Lawn Care Calendar
In a typical year, put down crabgrass preventer in Myrtle Beach between Feb 8 and Mar 1. Seed or sod warm-season grass between Apr 17 and Sep 16. The last spring frost usually comes around Mar 5. Most lawns here are warm-season grass (Bermuda, zoysia, St. Augustine, centipede).
Typical lawn care dates in Myrtle Beach
| Task | Typical window |
|---|---|
| Crabgrass preventer (pre-emergent)Crabgrass sprouts once soil stays above 55°F. Apply when soil reaches 50°F, before that happens. | Feb 8 – Mar 1 |
| FertilizerFeed after green-up once soil stays above 65°F; stop about 6 weeks before the first frost. | Apr 17 – Oct 19 |
| Seeding, sodding & pluggingWarm-season grass needs soil above 65°F and about 10 weeks to establish before frost. | Apr 17 – Sep 16 |
| Fall pre-emergent (winter weeds)Stops annual bluegrass (Poa annua) and winter weeds; apply as soil drops below 70°F. | Oct 12 – Nov 2 |
Median dates, 2016–2025, from NOAA weather data for Myrtle Beach. This year's dates can differ by a few weeks.
Month-by-month lawn care in Myrtle Beach
- JanuaryNo treatments due; mow as needed.
- FebruaryCrabgrass preventer (pre-emergent)
- MarchCrabgrass preventer (pre-emergent)
- AprilFertilizerSeeding, sodding & plugging
- MayFertilizerSeeding, sodding & plugging
- JuneFertilizerSeeding, sodding & plugging
- JulyFertilizerSeeding, sodding & plugging
- AugustFertilizerSeeding, sodding & plugging
- SeptemberFertilizerSeeding, sodding & plugging
- OctoberFertilizerFall pre-emergent (winter weeds)
- NovemberFall pre-emergent (winter weeds)
- DecemberNo treatments due; mow as needed.
Soil temperature in Myrtle Beach by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 48°F and peaks in July at 81°F. Crabgrass preventer goes down when it reaches 50°F, usually around Feb 8.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 48°F | 51°F | 57°F | 64°F | 72°F | 78°F | 81°F | 80°F | 77°F | 68°F | 58°F | 51°F |
Myrtle Beach lawn timing, year by year
Over the last 10 years, soil in Myrtle Beach reached 50°F, the signal for crabgrass preventer, as early as Jan 14 (2017) and as late as Mar 4 (2020): 49 days apart. A fixed calendar date can't follow that, which is why the report above uses this year's soil temperature. Between the typical last spring frost (Mar 5) and first fall frost (Nov 30), the growing season lasts about 270 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Feb 1 | Feb 23 | Nov 11 |
| 2024 | Jan 25 | Jan 23 | Nov 30 |
| 2023 | Jan 19 | Feb 5 | Nov 29 |
| 2022 | Feb 18 | Mar 14 | Dec 24 |
| 2021 | Feb 25 | Mar 8 | Nov 24 |
| 2020 | Mar 4 | Mar 1 | Dec 2 |
| 2019 | Feb 6 | Mar 7 | Nov 13 |
| 2018 | Feb 10 | Mar 16 | Nov 28 |
| 2017 | Jan 14 | Mar 17 | Dec 10 |
| 2016 | Feb 21 | Feb 16 | Dec 10 |
Estimated from daily temperatures for Myrtle Beach. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Myrtle Beach?
In a typical year, between Feb 8 and Mar 1. Put it down when soil reaches 50°F, before it stays above 55°F and crabgrass starts sprouting. Early springs move this up by a week or more, so check this year's soil temperature above.
When is the best time to plant grass seed in Myrtle Beach?
Once soil stays above 65°F, typically Apr 17 – Sep 16, leaving about 10 weeks before the first frost.
When is the last frost in Myrtle Beach?
The median last spring frost is Mar 5 and the median first fall frost is Nov 30 (2016–2025).
How long is the growing season in Myrtle Beach?
About 270 days, from the median last spring frost on Mar 5 to the median first fall frost on Nov 30 (2016–2025).
Lawn care guides
More South Carolina lawn calendars
Nearby cities in other states
- Wilmington, NC 66 miles away · crabgrass preventer Feb 10 – Mar 7
- Fayetteville, NC 94 miles away · crabgrass preventer Feb 11 – Mar 15
- Raleigh, NC 145 miles away · crabgrass preventer Feb 20 – Mar 20
- Cary, NC 145 miles away · crabgrass preventer Feb 18 – Mar 20