Rock Hill, SC Lawn Care Calendar
In a typical year, put down crabgrass preventer in Rock Hill between Feb 17 and Mar 19. Seed or sod warm-season grass between Apr 29 and Aug 25. The last spring frost usually comes around Mar 28. Most lawns here are warm-season grass (Bermuda, zoysia, St. Augustine, centipede).
Typical lawn care dates in Rock Hill
| 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 17 – Mar 19 |
| FertilizerFeed after green-up once soil stays above 65°F; stop about 6 weeks before the first frost. | Apr 29 – Sep 27 |
| Seeding, sodding & pluggingWarm-season grass needs soil above 65°F and about 10 weeks to establish before frost. | Apr 29 – Aug 25 |
| Fall pre-emergent (winter weeds)Stops annual bluegrass (Poa annua) and winter weeds; apply as soil drops below 70°F. | Sep 25 – Oct 16 |
Median dates, 2016–2025, from NOAA weather data for Rock Hill. This year's dates can differ by a few weeks.
Month-by-month lawn care in Rock Hill
- 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
- SeptemberFertilizerFall pre-emergent (winter weeds)
- OctoberFall pre-emergent (winter weeds)
- NovemberNo treatments due; mow as needed.
- DecemberNo treatments due; mow as needed.
Soil temperature in Rock Hill by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 43°F and peaks in July at 81°F. Crabgrass preventer goes down when it reaches 50°F, usually around Feb 17.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 43°F | 48°F | 53°F | 61°F | 69°F | 76°F | 81°F | 79°F | 74°F | 64°F | 53°F | 45°F |
Rock Hill lawn timing, year by year
Over the last 10 years, soil in Rock Hill reached 50°F, the signal for crabgrass preventer, as early as Jan 14 (2017) and as late as Mar 11 (2020): 56 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 28) and first fall frost (Nov 8), the growing season lasts about 225 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Feb 5 | Mar 7 | Nov 11 |
| 2024 | Jan 26 | Mar 20 | Nov 22 |
| 2023 | Feb 21 | Mar 21 | Nov 2 |
| 2022 | Feb 23 | Apr 10 | Oct 19 |
| 2021 | Mar 1 | Apr 22 | Nov 14 |
| 2020 | Mar 11 | Mar 9 | Nov 3 |
| 2019 | Feb 6 | Apr 3 | Nov 4 |
| 2018 | Feb 12 | Apr 17 | Nov 11 |
| 2017 | Jan 14 | Mar 20 | Oct 30 |
| 2016 | Mar 9 | Apr 10 | Nov 20 |
Estimated from daily temperatures for Rock Hill. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Rock Hill?
In a typical year, between Feb 17 and Mar 19. 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 Rock Hill?
Once soil stays above 65°F, typically Apr 29 – Aug 25, leaving about 10 weeks before the first frost.
When is the last frost in Rock Hill?
The median last spring frost is Mar 28 and the median first fall frost is Nov 8 (2016–2025).
How long is the growing season in Rock Hill?
About 225 days, from the median last spring frost on Mar 28 to the median first fall frost on Nov 8 (2016–2025).
Lawn care guides
More South Carolina lawn calendars
Nearby cities in other states
- Charlotte, NC 24 miles away · crabgrass preventer Feb 14 – Mar 16
- Winston-Salem, NC 93 miles away · crabgrass preventer Mar 8 – Mar 30
- Asheville, NC 98 miles away · crabgrass preventer Mar 5 – Apr 11
- Greensboro, NC 106 miles away · crabgrass preventer Mar 8 – Mar 29