Last spring's pre-emergent window, largest Mississippi cities
Each bar runs from the day the soil held 50°F to the day it held 55°F (2026).
- 50°F to 55°F
Every Mississippi city
Spring 2026 dates and today's verdict.
| City | Held 50°F (2026) | Held 55°F (2026) | Soil today | Today |
|---|---|---|---|---|
| Jackson, MS | Feb 9 | Feb 11 | 68°F | Season over |
| Gulfport, MS | Feb 7 | Feb 11 | 66°F | Season over |
| Hattiesburg, MS | Feb 10 | Feb 11 | 66°F | Season over |
| Meridian, MS | Feb 10 | Feb 13 | 64°F | Season over |
| Tupelo, MS | Feb 12 | Mar 2 | 59°F | Season over |
| Greenville, MS | Feb 10 | Feb 12 | 66°F | Season over |
| Starkville, MS | Feb 11 | Mar 1 | 62°F | Season over |
| Columbus, MS | Feb 11 | Mar 1 | 62°F | Season over |
| Vicksburg, MS | Feb 10 | Feb 11 | 66°F | Season over |
| Oxford, MS | Feb 11 | Mar 1 | 60°F | Season over |
| Pascagoula, MS | Feb 7 | Feb 11 | 65°F | Season over |
| Laurel, MS | Feb 10 | Feb 12 | 65°F | Season over |
| Ocean Springs, MS | Feb 8 | Feb 11 | 65°F | Season over |
| Clarksdale, MS | Feb 11 | Mar 1 | 63°F | Season over |
| Hernando, MS | Feb 11 | Mar 1 | 60°F | Season over |
| Greenwood, MS | Feb 10 | Feb 13 | 63°F | Season over |
| Natchez, MS | Feb 9 | Feb 11 | 67°F | Season over |
Crabgrass seeds start to germinate once the top 2 to 4 inches of soil stay near 55°F for several days. A pre-emergent works as a barrier in the soil, so it has to be down and watered in before that: the usual advice is to apply it while the soil holds 50 to 55°F. The dates here are when the modelled soil began to hold each temperature last spring; this year's window will move with the weather, which is why each city page shows today's reading and the 7-day forecast.
Questions
- When should I put down crabgrass preventer in Mississippi?
- When the soil holds 50 to 55°F. Last spring that was around Feb 10 to Feb 12 across 17 Mississippi cities, earlier in the south and in cities.
- Is it too late to apply pre-emergent?
- Once the soil has held 55°F for a week or more, crabgrass is germinating and a pre-emergent will not stop the seedlings already up. Each city page says which side of that line it is on today.
Soil temperature today in Mississippi →
Data: Global Forecast System (GFS) 0.25°, soil temperature 0–10 cm (TSOIL) (NOAA National Centers for Environmental Prediction (NCEP)); GeoNames gazetteer (cities15000) (GeoNames).