Aberdeen, SD Lawn Care Calendar
In a typical year, put down crabgrass preventer in Aberdeen between May 1 and May 15. The best time to overseed is between Jul 24 and Sep 12. The last spring frost usually comes around May 7. Most lawns here are cool-season grass (tall fescue, Kentucky bluegrass, ryegrass).
Typical lawn care dates in Aberdeen
| 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 1 – May 15 |
| Spring fertilizerA light feeding once soil warms past 55°F and the grass is actively growing. | May 8 – Jun 12 |
| Overseeding & seedingLate summer to early fall: seedlings need about 6–10 weeks of growth before the first frost. | Jul 24 – Sep 12 |
| Fall fertilizerThe most important feeding for cool-season grass, from early fall until soil cools to about 45°F. | Aug 6 – Oct 25 |
Median dates, 2016–2025, from NOAA weather data for Aberdeen. This year's dates can differ by a few weeks.
Month-by-month lawn care in Aberdeen
- 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 & seeding
- AugustOverseeding & seedingFall fertilizer
- SeptemberOverseeding & seedingFall fertilizer
- OctoberFall fertilizer
- NovemberNo treatments due; mow as needed.
- DecemberNo treatments due; mow as needed.
Soil temperature in Aberdeen by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 14°F and peaks in July at 73°F. Crabgrass preventer goes down when it reaches 50°F, usually around May 1.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 14°F | 16°F | 29°F | 41°F | 57°F | 70°F | 73°F | 70°F | 63°F | 48°F | 33°F | 21°F |
Aberdeen lawn timing, year by year
Over the last 10 years, soil in Aberdeen reached 50°F, the signal for crabgrass preventer, as early as Apr 14 (2024) and as late as May 7 (2022): 23 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 7) and first fall frost (Oct 7), the growing season lasts about 153 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | May 1 | Apr 30 | Oct 14 |
| 2024 | Apr 14 | Apr 24 | Oct 14 |
| 2023 | May 4 | May 3 | Oct 7 |
| 2022 | May 7 | May 22 | Oct 7 |
| 2021 | May 1 | May 11 | Oct 16 |
| 2020 | Apr 24 | May 12 | Sep 9 |
| 2019 | Apr 21 | May 10 | Oct 11 |
| 2018 | Apr 30 | May 2 | Sep 29 |
| 2017 | May 5 | May 2 | Oct 4 |
| 2016 | May 4 | May 15 | Oct 6 |
Estimated from daily temperatures for Aberdeen. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Aberdeen?
In a typical year, between May 1 and May 15. 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 Aberdeen?
Early fall, typically Jul 24 – Sep 12, while soil cools from 65°F toward 50°F.
When is the last frost in Aberdeen?
The median last spring frost is May 7 and the median first fall frost is Oct 7 (2016–2025).
How long is the growing season in Aberdeen?
About 153 days, from the median last spring frost on May 7 to the median first fall frost on Oct 7 (2016–2025).
Lawn care guides
More South Dakota lawn calendars
Nearby cities in other states
- Fargo, ND 127 miles away · crabgrass preventer May 5 – May 17
- Bismarck, ND 144 miles away · crabgrass preventer May 5 – May 19
- Grand Forks, ND 184 miles away · crabgrass preventer May 5 – May 18
- St. Cloud, MN 210 miles away · crabgrass preventer May 5 – May 16