When to plant in Republic, MO
USDA Zone 6bRepublic, Missouri frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 6b means Republic sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
SPRINGFIELD · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Republic’s own odds, recorded at SPRINGFIELD.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 6 | Apr 22 | Apr 4 | Oct 4 | Oct 18 | Oct 29 |
| 32°F | Apr 27 | Apr 9 | Mar 26 | Oct 14 | Oct 27 | Nov 9 |
| 28°F | Apr 14 | Mar 30 | Mar 13 | Oct 21 | Nov 4 | Nov 20 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Republic, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Republic planting FAQ
When is the last spring frost in Republic, MO?
On average, the last spring frost in Republic is around April 9 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Republic, MO?
The first fall frost in Republic typically arrives around October 27 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Republic in?
Republic is in USDA hardiness zone 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Republic?
There are roughly 201 frost-free days in Republic (a moderate growing season), running from the average last frost around April 9 to the first fall frost near October 27.
When should I plant tomatoes in Republic?
In Republic, start tomato seeds indoors around February 12–February 26, then transplant seedlings outdoors around April 16 once the danger of frost has passed.
Never miss a window in Republic
An email when it’s time to start seeds, transplant, and sow — timed to Republic’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at SPRINGFIELD, 8 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Republic, MO — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013995. Retrieved from https://blissgarden.com/missouri/republic.