Logan, UT Lawn Care Calendar
In a typical year, put down crabgrass preventer in Logan between Apr 25 and May 20. The best time to overseed is between Jul 30 and Sep 18. The last spring frost usually comes around May 6. Most lawns here are cool-season grass (tall fescue, Kentucky bluegrass, ryegrass).
Typical lawn care dates in Logan
| 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 25 – 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. | Jul 30 – Sep 18 |
| Fall fertilizerThe most important feeding for cool-season grass, from early fall until soil cools to about 45°F. | Aug 24 – Oct 25 |
Median dates, 2016–2025, from NOAA weather data for Logan. This year's dates can differ by a few weeks.
Month-by-month lawn care in Logan
- 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
- 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 Logan by month
Average soil temperature 4 inches down, estimated from 2016–2025 weather. It bottoms out in January at 24°F and peaks in July at 73°F. Crabgrass preventer goes down when it reaches 50°F, usually around Apr 25.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 24°F | 27°F | 37°F | 45°F | 54°F | 65°F | 73°F | 71°F | 63°F | 49°F | 38°F | 28°F |
Logan lawn timing, year by year
Over the last 10 years, soil in Logan reached 50°F, the signal for crabgrass preventer, as early as Mar 18 (2017) and as late as May 15 (2022): 58 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 6) and first fall frost (Oct 13), the growing season lasts about 160 days.
| Year | Crabgrass window opened | Last spring frost | First fall frost |
|---|---|---|---|
| 2025 | Apr 24 | Apr 20 | Oct 13 |
| 2024 | Apr 23 | May 25 | Oct 19 |
| 2023 | Apr 30 | Apr 24 | Oct 27 |
| 2022 | May 15 | May 21 | Oct 23 |
| 2021 | May 1 | May 9 | Sep 30 |
| 2020 | Apr 27 | May 7 | Oct 15 |
| 2019 | Apr 21 | May 3 | Oct 1 |
| 2018 | Apr 26 | May 1 | Oct 13 |
| 2017 | Mar 18 | May 18 | Oct 2 |
| 2016 | Apr 9 | Apr 17 | Oct 7 |
Estimated from daily temperatures for Logan. A dash means it didn't happen that year.
Frequently asked questions
When should I apply pre-emergent in Logan?
In a typical year, between Apr 25 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 Logan?
Early fall, typically Jul 30 – Sep 18, while soil cools from 65°F toward 50°F.
When is the last frost in Logan?
The median last spring frost is May 6 and the median first fall frost is Oct 13 (2016–2025).
How long is the growing season in Logan?
About 160 days, from the median last spring frost on May 6 to the median first fall frost on Oct 13 (2016–2025).
Lawn care guides
More Utah lawn calendars
Nearby cities in other states
- Pocatello, ID 84 miles away · crabgrass preventer Apr 29 – May 22
- Idaho Falls, ID 121 miles away · crabgrass preventer May 3 – Jun 6
- Elko, NV 214 miles away · crabgrass preventer May 2 – May 28
- Grand Junction, CO 253 miles away · crabgrass preventer Apr 6 – May 1