Frost dates for Indianapolis, Indiana
In a typical year, Indianapolis’s last spring frost lands around Apr 20 and the first fall frost around Oct 21, a growing season of about 184 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 | Apr 6 | Oct 7 |
| 50 percent | Apr 20 | Oct 21 |
| 90 percent | May 5 | Nov 3 |
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 Indianapolis is typically around 72°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Indianapolis
- Radish (Cherry Belle)
- Lettuce (Buttercrunch)
- Mustard greens (Red Giant)
- Arugula (Astro)
- Tatsoi (Tatsoi)
- Spinach (Space)
- Dill (Bouquet)
- Cilantro (Santo)
Timing comes from the same temperature engine the app uses, run against Indianapolis’s normals for today.
Nearby cities
- Cincinnati, OH (around Apr 17 to Oct 26)
- Dayton, OH (around Apr 18 to Oct 25)
- Fort Wayne, IN (around Apr 24 to Oct 21)
- Louisville, KY (around Apr 3 to Nov 3)
- South Bend, IN (around Apr 23 to Oct 23)
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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