When to plant in Warrensburg, MO
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Warrensburg, Missouri — all computed from Warrensburg's nearest NOAA weather station.
In zone 6b, Warrensburg gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
WARRENSBURG 4NW · 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 Warrensburg’s own odds, recorded at WARRENSBURG 4NW.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 12 | Apr 27 | Apr 10 | Sep 27 | Oct 10 | Oct 23 |
| 32°F | May 4 | Apr 14 | Mar 31 | Oct 6 | Oct 21 | Nov 3 |
| 28°F | Apr 23 | Apr 3 | Mar 18 | Oct 17 | Oct 31 | Nov 14 |
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 Warrensburg, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 31 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.
Warrensburg planting FAQ
When is the last spring frost in Warrensburg, MO?
Warrensburg's average last spring frost falls near April 14 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Warrensburg, MO?
In Warrensburg, the first 32°F freeze of fall lands around October 21 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Warrensburg in?
Warrensburg 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 Warrensburg?
Warrensburg has about 190 frost-free days — a moderate growing season — between the average last spring frost (April 14) and first fall frost (October 21).
When should I plant tomatoes in Warrensburg?
For Warrensburg, sow tomatoes indoors about February 17–March 3 and move the seedlings out around April 21, after the last spring frost.
Never miss a window in Warrensburg
An email when it’s time to start seeds, transplant, and sow — timed to Warrensburg’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Sedalia · 43 km
- Grain Valley · 51 km
- Blue Springs · 55 km
- Lee's Summit · 60 km
- Marshall · 60 km
- Raymore · 64 km
- Independence · 65 km
- Raytown · 69 km
Frost dates recorded at WARRENSBURG 4NW, 7 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 Warrensburg, MO — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00238712. Retrieved from https://blissgarden.com/missouri/warrensburg.