When to plant in Raytown, MO
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Raytown, Missouri — is derived from the closest NOAA station with complete climate normals.
In zone 6b, Raytown gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
LEES SUMMIT MUNI AP · 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 Raytown’s own odds, recorded at LEES SUMMIT MUNI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 4 | Apr 19 | Apr 3 | Oct 2 | Oct 19 | Nov 1 |
| 32°F | Apr 24 | Apr 7 | Mar 21 | Oct 14 | Oct 29 | Nov 12 |
| 28°F | Apr 11 | Mar 28 | Mar 10 | Oct 24 | Nov 7 | Nov 24 |
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 Raytown, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 17 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.
Raytown planting FAQ
When is the last spring frost in Raytown, MO?
Plan for the last spring frost in Raytown around April 7 (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 Raytown, MO?
In Raytown, the first 32°F freeze of fall lands around October 29 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Raytown in?
Raytown 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 Raytown?
Raytown has about 205 frost-free days — a moderate growing season — between the average last spring frost (April 7) and first fall frost (October 29).
When should I plant tomatoes in Raytown?
For Raytown, sow tomatoes indoors about February 10–February 24 and move the seedlings out around April 14, after the last spring frost.
Never miss a window in Raytown
An email when it’s time to start seeds, transplant, and sow — timed to Raytown’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lee's Summit · 10 km
- Grandview · 14 km
- Independence · 14 km
- Prairie Village · 15 km
- Kansas City · 16 km
- Blue Springs · 17 km
- Leawood · 17 km
- Merriam · 20 km
Frost dates recorded at LEES SUMMIT MUNI AP, 9 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 Raytown, MO — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00053879. Retrieved from https://blissgarden.com/missouri/raytown.