Worcester, MA Lawn Care Calendar
In a typical year, put down crabgrass preventer in Worcester between Apr 25 and May 13. The best time to overseed is between Aug 12 and Oct 1. The last spring frost usually comes around Apr 25. Most lawns here are cool-season grass (tall fescue, Kentucky bluegrass, ryegrass).
Typical lawn care dates in Worcester
| Task | Typical window |
|---|---|
| Crabgrass preventer (pre-emergent)Crabgrass sprouts once soil stays above 55°F. Apply when soil reaches 50°F, before that happens. | Apr 25 – May 13 |
| Spring fertilizerA light feeding once soil warms past 55°F and the grass is actively growing. | May 6 – Jun 10 |
| Overseeding & seedingLate summer to early fall: seedlings need about 6–10 weeks of growth before the first frost. | Aug 12 – Oct 1 |
| Fall fertilizerThe most important feeding for cool-season grass, from early fall until soil cools to about 45°F. | Aug 21 – Nov 9 |
Median dates, 2016–2025, from NOAA weather data for Worcester. This year's dates can differ by a few weeks.
Month-by-month lawn care in Worcester
- JanuaryNo treatments due; mow as needed.
- FebruaryNo treatments due; mow as needed.
- MarchNo treatments due; mow as needed.
- AprilCrabgrass preventer (pre-emergent)
- MayCrabgrass preventer (pre-emergent)Spring fertilizer
- JuneSpring fertilizer
- JulyNo treatments due; mow as needed.
- AugustOverseeding & seedingFall fertilizer
- SeptemberOverseeding & seedingFall fertilizer
- OctoberOverseeding & seedingFall fertilizer
- NovemberFall fertilizer
- DecemberNo treatments due; mow as needed.
Soil temperature in Worcester by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 28°F and peaks in July at 74°F. Crabgrass preventer goes down when it reaches 50°F, usually around Apr 25.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 28°F | 29°F | 37°F | 47°F | 58°F | 67°F | 74°F | 72°F | 65°F | 54°F | 42°F | 32°F |
Worcester lawn timing, year by year
Over the last 10 years, soil in Worcester reached 50°F, the signal for crabgrass preventer, as early as Apr 11 (2017) and as late as May 10 (2022): 29 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 (Apr 25) and first fall frost (Oct 26), the growing season lasts about 184 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Apr 20 | Apr 13 | Nov 2 |
| 2024 | Apr 29 | Apr 26 | Oct 17 |
| 2023 | Apr 12 | May 18 | Nov 2 |
| 2022 | May 10 | Apr 18 | Oct 20 |
| 2021 | Apr 28 | Apr 23 | Nov 3 |
| 2020 | May 3 | May 10 | Oct 18 |
| 2019 | Apr 19 | Apr 29 | Nov 2 |
| 2018 | Apr 26 | Apr 22 | Oct 19 |
| 2017 | Apr 11 | Apr 9 | Nov 1 |
| 2016 | Apr 22 | Apr 28 | Oct 15 |
Estimated from daily temperatures for Worcester. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Worcester?
In a typical year, between Apr 25 and May 13. 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 Worcester?
Early fall, typically Aug 12 – Oct 1, while soil cools from 65°F toward 50°F.
When is the last frost in Worcester?
The median last spring frost is Apr 25 and the median first fall frost is Oct 26 (2016–2025).
How long is the growing season in Worcester?
About 184 days, from the median last spring frost on Apr 25 to the median first fall frost on Oct 26 (2016–2025).
Lawn care guides
More Massachusetts lawn calendars
Nearby cities in other states
- Providence, RI 36 miles away · crabgrass preventer Apr 14 – May 13
- Nashua, NH 39 miles away · crabgrass preventer Apr 25 – May 21
- Warwick, RI 43 miles away · crabgrass preventer Apr 14 – May 10
- Manchester, NH 53 miles away · crabgrass preventer Apr 25 – May 21