When to plant in Ozark, MO
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Ozark, Missouri — all computed from Ozark's nearest NOAA weather station.
In zone 6b, Ozark gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
OZARK · 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 Ozark’s own odds, recorded at OZARK.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 10 | Apr 27 | Apr 12 | Oct 1 | Oct 14 | Oct 27 |
| 32°F | Apr 30 | Apr 15 | Mar 31 | Oct 10 | Oct 23 | Nov 4 |
| 28°F | Apr 18 | Apr 3 | Mar 18 | Oct 19 | Nov 1 | Nov 15 |
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 Ozark, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
Ozark planting FAQ
When is the last spring frost in Ozark, MO?
Plan for the last spring frost in Ozark around April 15 (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 Ozark, MO?
Expect Ozark's first fall frost near October 23 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Ozark in?
Ozark 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 Ozark?
Ozark has about 191 frost-free days — a moderate growing season — between the average last spring frost (April 15) and first fall frost (October 23).
When should I plant tomatoes in Ozark?
For Ozark, sow tomatoes indoors about February 18–March 4 and move the seedlings out around April 22, after the last spring frost.
Never miss a window in Ozark
An email when it’s time to start seeds, transplant, and sow — timed to Ozark’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at OZARK, 2 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 Ozark, MO — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00236452. Retrieved from https://blissgarden.com/missouri/ozark.