When to plant in Maryville, MO
USDA Zone 5bMaryville, Missouri frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 5b means Maryville 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 Maryville is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
MARYVILLE 2E · 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 Maryville’s own odds, recorded at MARYVILLE 2E.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 12 | Apr 29 | Apr 14 | Sep 22 | Oct 7 | Oct 20 |
| 32°F | May 3 | Apr 19 | Apr 4 | Oct 2 | Oct 17 | Oct 30 |
| 28°F | Apr 22 | Apr 8 | Mar 24 | Oct 14 | Oct 27 | Nov 9 |
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 Maryville, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 34 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.
Maryville planting FAQ
When is the last spring frost in Maryville, MO?
Plan for the last spring frost in Maryville around April 19 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Maryville, MO?
The first fall frost in Maryville typically arrives around October 17 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Maryville in?
Maryville is in USDA hardiness zone 5b. In zone 5b, winters are cold — pick cold-hardy varieties and protect tender crops.
How long is the growing season in Maryville?
There are roughly 181 frost-free days in Maryville (a moderate growing season), running from the average last frost around April 19 to the first fall frost near October 17.
When should I plant tomatoes in Maryville?
In Maryville, start tomato seeds indoors around February 22–March 8, then transplant seedlings outdoors around April 26 once the danger of frost has passed.
Never miss a window in Maryville
An email when it’s time to start seeds, transplant, and sow — timed to Maryville’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- St. Joseph · 65 km
- Atchison · 90 km
- Smithville · 108 km
- Leavenworth · 113 km
- Kearney · 118 km
- Lansing · 122 km
- Excelsior Springs · 124 km
- Bellevue · 127 km
Frost dates recorded at MARYVILLE 2E, 3 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 Maryville, MO — Frost Dates & Zone 5b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00235340. Retrieved from https://blissgarden.com/missouri/maryville.