Kansas City, MO Lawn Care Calendar
In a typical year, put down crabgrass preventer in Kansas City between Mar 20 and Apr 16. The best time to overseed is between Aug 15 and Oct 4. The last spring frost usually comes around Apr 9. Most lawns here are cool-season grass (tall fescue, Kentucky bluegrass, ryegrass).
Typical lawn care dates in Kansas City
| Task | Typical window |
|---|---|
| Crabgrass preventer (pre-emergent)Crabgrass sprouts once soil stays above 55°F. Apply when soil reaches 50°F, before that happens. | Mar 20 – Apr 16 |
| Spring fertilizerA light feeding once soil warms past 55°F and the grass is actively growing. | Apr 9 – May 14 |
| Overseeding & seedingLate summer to early fall: seedlings need about 6–10 weeks of growth before the first frost. | Aug 15 – Oct 4 |
| Fall fertilizerThe most important feeding for cool-season grass, from early fall until soil cools to about 45°F. | Sep 26 – Nov 11 |
Median dates, 2016–2025, from NOAA weather data for Kansas City. This year's dates can differ by a few weeks.
Month-by-month lawn care in Kansas City
- JanuaryNo treatments due; mow as needed.
- FebruaryNo treatments due; mow as needed.
- MarchCrabgrass preventer (pre-emergent)
- AprilCrabgrass preventer (pre-emergent)Spring fertilizer
- MaySpring fertilizer
- JuneNo treatments due; mow as needed.
- JulyNo treatments due; mow as needed.
- AugustOverseeding & seeding
- SeptemberOverseeding & seedingFall fertilizer
- OctoberOverseeding & seedingFall fertilizer
- NovemberFall fertilizer
- DecemberNo treatments due; mow as needed.
Soil temperature in Kansas City by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 30°F and peaks in July at 80°F. Crabgrass preventer goes down when it reaches 50°F, usually around Mar 20.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 30°F | 34°F | 46°F | 55°F | 65°F | 77°F | 80°F | 78°F | 73°F | 60°F | 47°F | 37°F |
Kansas City lawn timing, year by year
Over the last 10 years, soil in Kansas City reached 50°F, the signal for crabgrass preventer, as early as Feb 18 (2017) and as late as Apr 22 (2018): 63 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 9) and first fall frost (Oct 29), the growing season lasts about 203 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Mar 12 | Apr 8 | Nov 2 |
| 2024 | Mar 4 | Mar 28 | Nov 22 |
| 2023 | Apr 3 | Mar 28 | Oct 29 |
| 2022 | Apr 11 | Apr 9 | Oct 18 |
| 2021 | Mar 8 | Apr 22 | Nov 3 |
| 2020 | Mar 27 | Apr 18 | Oct 26 |
| 2019 | Apr 4 | Apr 1 | Oct 12 |
| 2018 | Apr 22 | Apr 17 | Oct 16 |
| 2017 | Feb 18 | Mar 16 | Oct 28 |
| 2016 | Mar 7 | Apr 9 | Nov 19 |
Estimated from daily temperatures for Kansas City. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Kansas City?
In a typical year, between Mar 20 and Apr 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 Kansas City?
Early fall, typically Aug 15 – Oct 4, while soil cools from 65°F toward 50°F.
When is the last frost in Kansas City?
The median last spring frost is Apr 9 and the median first fall frost is Oct 29 (2016–2025).
How long is the growing season in Kansas City?
About 203 days, from the median last spring frost on Apr 9 to the median first fall frost on Oct 29 (2016–2025).
Lawn care guides
More Missouri lawn calendars
Nearby cities in other states
- Overland Park, KS 10 miles away · crabgrass preventer Mar 21 – Apr 17
- Olathe, KS 20 miles away · crabgrass preventer Mar 21 – Apr 19
- Lawrence, KS 37 miles away · crabgrass preventer Mar 21 – Apr 23
- Topeka, KS 59 miles away · crabgrass preventer Mar 21 – Apr 21