Frost dates for Sioux City, Iowa
In a typical year, Sioux City’s last spring frost lands around Apr 29 and the first fall frost around Oct 7, a growing season of about 161 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 5a.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Apr 15 | Sep 24 |
| 50 percent | Apr 29 | Oct 7 |
| 90 percent | May 11 | Oct 21 |
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 Sioux City is typically around 73°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Sioux City
- Chinese cabbage (Bilko)
- Mustard greens (Red Giant)
- Arugula (Astro)
- Tatsoi (Tatsoi)
- Dill (Bouquet)
- Cilantro (Santo)
- Sweet alyssum (Snow Crystals)
- Mâche (Vit)
Timing comes from the same temperature engine the app uses, run against Sioux City’s normals for today.
Nearby cities
- Sioux Falls, SD (around Apr 26 to Oct 13)
- Omaha, NE (around Apr 18 to Oct 21)
- Bellevue, NE (around Apr 17 to Oct 19)
- Lincoln, NE (around Apr 24 to Oct 13)
- Brookings, SD (around May 6 to Oct 1)
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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