Erie, PA Lawn Care Calendar
In a typical year, put down crabgrass preventer in Erie between Apr 20 and May 14. The best time to overseed is between Aug 26 and Oct 15. The last spring frost usually comes around Apr 27. Most lawns here are cool-season grass (tall fescue, Kentucky bluegrass, ryegrass).
Typical lawn care dates in Erie
| 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 20 – May 14 |
| Spring fertilizerA light feeding once soil warms past 55°F and the grass is actively growing. | May 7 – Jun 11 |
| Overseeding & seedingLate summer to early fall: seedlings need about 6–10 weeks of growth before the first frost. | Aug 26 – Oct 15 |
| Fall fertilizerThe most important feeding for cool-season grass, from early fall until soil cools to about 45°F. | Aug 19 – Nov 17 |
Median dates, 2016–2025, from NOAA weather data for Erie. This year's dates can differ by a few weeks.
Month-by-month lawn care in Erie
- 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 Erie by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 29°F and peaks in July at 73°F. Crabgrass preventer goes down when it reaches 50°F, usually around Apr 20.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29°F | 30°F | 37°F | 46°F | 57°F | 68°F | 73°F | 72°F | 67°F | 57°F | 44°F | 35°F |
Erie lawn timing, year by year
Over the last 10 years, soil in Erie reached 50°F, the signal for crabgrass preventer, as early as Mar 24 (2021) and as late as May 2 (2022): 39 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 27) and first fall frost (Nov 9), the growing season lasts about 196 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Apr 19 | Apr 17 | Oct 27 |
| 2024 | Apr 15 | Apr 25 | Nov 13 |
| 2023 | Apr 13 | Apr 27 | Nov 1 |
| 2022 | May 2 | Apr 29 | Oct 28 |
| 2021 | Mar 24 | Apr 26 | Nov 6 |
| 2020 | Apr 30 | May 13 | Nov 18 |
| 2019 | May 2 | Apr 29 | Nov 8 |
| 2018 | May 2 | Apr 30 | Nov 10 |
| 2017 | Apr 16 | Apr 8 | Nov 9 |
| 2016 | Apr 19 | Apr 14 | Nov 23 |
Estimated from daily temperatures for Erie. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Erie?
In a typical year, between Apr 20 and May 14. 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 Erie?
Early fall, typically Aug 26 – Oct 15, while soil cools from 65°F toward 50°F.
When is the last frost in Erie?
The median last spring frost is Apr 27 and the median first fall frost is Nov 9 (2016–2025).
How long is the growing season in Erie?
About 196 days, from the median last spring frost on Apr 27 to the median first fall frost on Nov 9 (2016–2025).
Lawn care guides
More Pennsylvania lawn calendars
Nearby cities in other states
- Buffalo, NY 81 miles away · crabgrass preventer Apr 28 – May 20
- Cleveland, OH 93 miles away · crabgrass preventer Apr 20 – May 3
- Akron, OH 104 miles away · crabgrass preventer Apr 13 – Apr 27
- Rochester, NY 145 miles away · crabgrass preventer Apr 22 – May 22