When to plant in Kirksville, MO
USDA Zone 6aKirksville, Missouri frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 6a means Kirksville sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
The average first fall frost in Kirksville is now 8 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
KIRKSVILLE · 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 Kirksville’s own odds, recorded at KIRKSVILLE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 13 | May 2 | Apr 17 | Sep 22 | Oct 7 | Oct 21 |
| 32°F | May 5 | Apr 21 | Apr 7 | Oct 2 | Oct 19 | Oct 31 |
| 28°F | Apr 27 | Apr 10 | Mar 25 | Oct 15 | Oct 29 | Nov 10 |
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 Kirksville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 36 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.
Kirksville planting FAQ
When is the last spring frost in Kirksville, MO?
Kirksville's average last spring frost falls near April 21 — 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 Kirksville, MO?
In Kirksville, the first 32°F freeze of fall lands around October 19 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Kirksville in?
Kirksville is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Kirksville?
There are roughly 181 frost-free days in Kirksville (a moderate growing season), running from the average last frost around April 21 to the first fall frost near October 19.
When should I plant tomatoes in Kirksville?
In Kirksville, start tomato seeds indoors around February 24–March 10, then transplant seedlings outdoors around April 28 once the danger of frost has passed.
Never miss a window in Kirksville
An email when it’s time to start seeds, transplant, and sow — timed to Kirksville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at KIRKSVILLE, 1 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 Kirksville, MO — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00234544. Retrieved from https://blissgarden.com/missouri/kirksville.