St. Cloud, MN Lawn Care Calendar
In a typical year, put down crabgrass preventer in St. Cloud between May 5 and May 16. The best time to overseed is between Jul 27 and Sep 15. The last spring frost usually comes around May 2. Most lawns here are cool-season grass (tall fescue, Kentucky bluegrass, ryegrass).
Typical lawn care dates in St. Cloud
| Task | Typical window |
|---|---|
| Crabgrass preventer (pre-emergent)Crabgrass sprouts once soil stays above 55°F. Apply when soil reaches 50°F, before that happens. | May 5 – May 16 |
| Spring fertilizerA light feeding once soil warms past 55°F and the grass is actively growing. | May 9 – Jun 13 |
| Overseeding & seedingLate summer to early fall: seedlings need about 6–10 weeks of growth before the first frost. | Jul 27 – Sep 15 |
| Fall fertilizerThe most important feeding for cool-season grass, from early fall until soil cools to about 45°F. | Jul 28 – Oct 24 |
Median dates, 2016–2025, from NOAA weather data for St. Cloud. This year's dates can differ by a few weeks.
Month-by-month lawn care in St. Cloud
- JanuaryNo treatments due; mow as needed.
- FebruaryNo treatments due; mow as needed.
- MarchNo treatments due; mow as needed.
- AprilNo treatments due; mow as needed.
- MayCrabgrass preventer (pre-emergent)Spring fertilizer
- JuneSpring fertilizer
- JulyOverseeding & seedingFall fertilizer
- AugustOverseeding & seedingFall fertilizer
- SeptemberOverseeding & seedingFall fertilizer
- OctoberFall fertilizer
- NovemberNo treatments due; mow as needed.
- DecemberNo treatments due; mow as needed.
Soil temperature in St. Cloud by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 13°F and peaks in July at 71°F. Crabgrass preventer goes down when it reaches 50°F, usually around May 5.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 13°F | 14°F | 29°F | 40°F | 56°F | 67°F | 71°F | 69°F | 63°F | 49°F | 34°F | 20°F |
St. Cloud lawn timing, year by year
Over the last 10 years, soil in St. Cloud reached 50°F, the signal for crabgrass preventer, as early as Apr 14 (2024) and as late as May 14 (2021): 30 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 2) and first fall frost (Oct 10), the growing season lasts about 161 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | May 5 | May 3 | Oct 8 |
| 2024 | Apr 14 | Apr 21 | Oct 14 |
| 2023 | May 5 | Apr 27 | Oct 10 |
| 2022 | May 7 | Apr 28 | Sep 28 |
| 2021 | May 14 | May 12 | Oct 17 |
| 2020 | Apr 28 | May 12 | Sep 10 |
| 2019 | May 14 | May 10 | Oct 12 |
| 2018 | May 1 | Apr 28 | Sep 29 |
| 2017 | May 6 | May 1 | Oct 10 |
| 2016 | Apr 16 | May 15 | Oct 8 |
Estimated from daily temperatures for St. Cloud. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in St. Cloud?
In a typical year, between May 5 and May 16. 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 St. Cloud?
Early fall, typically Jul 27 – Sep 15, while soil cools from 65°F toward 50°F.
When is the last frost in St. Cloud?
The median last spring frost is May 2 and the median first fall frost is Oct 10 (2016–2025).
How long is the growing season in St. Cloud?
About 161 days, from the median last spring frost on May 2 to the median first fall frost on Oct 10 (2016–2025).
Lawn care guides
More Minnesota lawn calendars
Nearby cities in other states
- Eau Claire, WI 140 miles away · crabgrass preventer Apr 23 – May 15
- Fargo, ND 155 miles away · crabgrass preventer May 5 – May 17
- Sioux Falls, SD 188 miles away · crabgrass preventer Apr 19 – May 15
- La Crosse, WI 188 miles away · crabgrass preventer Apr 20 – May 10