Frost dates for Olathe, Kansas
In a typical year, Olathe’s last spring frost lands around Apr 10 and the first fall frost around Oct 29, a growing season of about 202 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 6b.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Mar 27 | Oct 13 |
| 50 percent | Apr 10 | Oct 29 |
| 90 percent | Apr 24 | Nov 12 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Olathe is typically around 77°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Olathe
- Arugula (Astro)
- Beet (Detroit Dark Red)
- Broccoli (Green Magic)
- Tatsoi (Tatsoi)
- Spinach (Space)
- Turnip (Purple Top White Globe)
- Cauliflower (Snow Crown)
- Carrot (Danvers 126)
Timing comes from the same temperature engine the app uses, run against Olathe’s normals for today.
Nearby cities
- Overland Park, KS (around Apr 10 to Oct 29)
- Kansas City, KS (around Apr 4 to Nov 2)
- Kansas City, MO (around Apr 4 to Nov 2)
- Independence, MO (around Apr 10 to Oct 27)
- Topeka, KS (around Apr 16 to Oct 22)
Row & Bed is a plant reference built around your garden: your zone, your frost dates, your forecast, and a cited page for every variety in your beds.
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