Appleton, WI Lawn Care Calendar
In a typical year, put down crabgrass preventer in Appleton between Apr 27 and May 20. The best time to overseed is between Aug 2 and Sep 21. The last spring frost usually comes around May 3. Most lawns here are cool-season grass (tall fescue, Kentucky bluegrass, ryegrass).
Typical lawn care dates in Appleton
| 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 27 – May 20 |
| Spring fertilizerA light feeding once soil warms past 55°F and the grass is actively growing. | May 13 – Jun 17 |
| Overseeding & seedingLate summer to early fall: seedlings need about 6–10 weeks of growth before the first frost. | Aug 2 – Sep 21 |
| Fall fertilizerThe most important feeding for cool-season grass, from early fall until soil cools to about 45°F. | Aug 9 – Oct 26 |
Median dates, 2016–2025, from NOAA weather data for Appleton. This year's dates can differ by a few weeks.
Month-by-month lawn care in Appleton
- 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
- OctoberFall fertilizer
- NovemberNo treatments due; mow as needed.
- DecemberNo treatments due; mow as needed.
Soil temperature in Appleton by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 20°F and peaks in July at 72°F. Crabgrass preventer goes down when it reaches 50°F, usually around Apr 27.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20°F | 21°F | 33°F | 43°F | 56°F | 67°F | 72°F | 70°F | 64°F | 52°F | 38°F | 26°F |
Appleton lawn timing, year by year
Over the last 10 years, soil in Appleton reached 50°F, the signal for crabgrass preventer, as early as Apr 6 (2021) and as late as May 16 (2020): 40 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 (May 3) and first fall frost (Oct 16), the growing season lasts about 166 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | May 5 | Apr 16 | Oct 24 |
| 2024 | Apr 14 | Apr 25 | Oct 16 |
| 2023 | Apr 12 | May 1 | Oct 30 |
| 2022 | May 8 | May 4 | Oct 15 |
| 2021 | Apr 6 | May 11 | Oct 22 |
| 2020 | May 16 | May 13 | Oct 2 |
| 2019 | Apr 22 | Apr 28 | Oct 14 |
| 2018 | May 1 | Apr 29 | Oct 13 |
| 2017 | May 11 | May 8 | Oct 29 |
| 2016 | Apr 18 | May 15 | Oct 13 |
Estimated from daily temperatures for Appleton. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Appleton?
In a typical year, between Apr 27 and May 20. 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 Appleton?
Early fall, typically Aug 2 – Sep 21, while soil cools from 65°F toward 50°F.
When is the last frost in Appleton?
The median last spring frost is May 3 and the median first fall frost is Oct 16 (2016–2025).
How long is the growing season in Appleton?
About 166 days, from the median last spring frost on May 3 to the median first fall frost on Oct 16 (2016–2025).
Lawn care guides
More Wisconsin lawn calendars
Nearby cities in other states
- Rockford, IL 142 miles away · crabgrass preventer Apr 19 – May 6
- Traverse City, MI 142 miles away · crabgrass preventer May 6 – May 27
- Grand Rapids, MI 164 miles away · crabgrass preventer Apr 21 – May 13
- Marquette, MI 165 miles away · crabgrass preventer May 22 – May 31