Rolling Prairie, IN frost dates
How Rolling Prairie compares
- In 8 years out of 10, the last spring frost in Rolling Prairie falls between April 5 and May 3, a 28-day window. The first fall frost falls between October 14 and November 9.
- The median last frost is 3 days earlier than the Indiana median of Apr 22.
- Its 191-day growing season is longer than 74% of the 733 Indiana places with a regular frost season (state median 182 days).
- The last frost is 10 days earlier than the zone 6a median of Apr 29. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6a chart.
- The weather station records an average of 119 nights a year at or below 32°F.
- Compared with South Bend, IN, 27 km away, the last frost here is 4 days earlier than there and the growing season is 8 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 5 |
| 50% (median) | April 19 |
| 10% (safe for tender plants) | May 3 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 14 |
| 50% (median) | October 27 |
| 90% (late) | November 9 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Rolling Prairie, IN
Rolling Prairie, IN frost dates — last frost Apr 19, first frost Oct 27, zone 6a. whenisthelastfrost.com
When to plant vegetables in Rolling Prairie, IN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 25 – Feb 8 | Mar 22 – Apr 5 | — | — |
| Peppers | Feb 8 – Feb 22 | May 3 – May 17 | — | — |
| Eggplant | Feb 8 – Feb 22 | May 3 – May 17 | — | — |
| Tomatoes | Feb 22 – Mar 8 | Apr 26 – May 10 | — | — |
| Lettuce | Feb 22 – Mar 8 | Mar 29 – Apr 12 | Mar 22 – Apr 26 | Sep 1 – Sep 29 |
| Kale | Feb 22 – Mar 8 | Mar 22 – Apr 5 | Mar 22 – Apr 5 | Aug 18 – Sep 8 |
| Broccoli | Feb 22 – Mar 8 | Apr 5 – Apr 19 | — | Jul 21 – Aug 11 |
| Cabbage | Feb 22 – Mar 8 | Mar 29 – Apr 12 | — | Jul 21 – Aug 11 |
| Cauliflower | Feb 22 – Mar 8 | Apr 5 – Apr 19 | — | Jul 21 – Aug 11 |
| Okra | Mar 8 – Mar 22 | May 10 – May 24 | May 10 – May 24 | — |
| Basil | Mar 8 – Mar 22 | Apr 26 – May 10 | — | — |
| Peas | — | — | Mar 8 – Mar 29 | Aug 4 – Aug 25 |
| Spinach | — | — | Mar 8 – Mar 29 | Sep 1 – Sep 22 |
| Radishes | — | — | Mar 15 – Apr 26 | Sep 15 – Oct 6 |
| Cucumbers | Mar 22 – Mar 29 | May 3 – May 10 | Apr 26 – May 10 | Aug 11 – Aug 25 |
| Zucchini & Summer Squash | Mar 22 – Mar 29 | — | Apr 26 – May 10 | Aug 18 – Sep 1 |
| Winter Squash & Pumpkins | Mar 22 – Mar 29 | — | Apr 26 – May 10 | — |
| Melons & Watermelon | Mar 22 – Mar 29 | May 3 – May 17 | — | — |
| Carrots | — | — | Mar 29 – Apr 26 | Aug 4 – Aug 18 |
| Beets | — | — | Mar 29 – Apr 26 | Aug 18 – Sep 1 |
| Potatoes | — | — | Mar 29 – Apr 19 | — |
| Swiss Chard | — | — | Apr 5 – May 3 | Aug 18 – Sep 1 |
| Cilantro | — | — | Apr 5 – Apr 26 | Sep 1 – Sep 22 |
| Green Beans | — | — | Apr 26 – May 17 | Aug 11 – Aug 25 |
| Sweet Corn | — | — | Apr 26 – May 10 | — |
| Sweet Potatoes | — | May 3 – May 24 | — | — |
| Garlic | — | — | — | Oct 13 – Nov 17 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Laporte, IN weather station, 17 km away (elevation 810 ft (247 m)).
Frost dates near Rolling Prairie
- New Carlisle May 1 · Oct 19
- Mill Creek Apr 19 · Oct 27
- La Porte Apr 19 · Oct 27
- Kingsbury Apr 19 · Oct 27
- North Liberty May 1 · Oct 13
- Michigan City Apr 19 · Oct 27
- South Bend Apr 23 · Oct 23
- Kingsford Heights Apr 19 · Oct 27
- Notre Dame Apr 23 · Oct 23
- Walkerton Apr 25 · Oct 21
Frequently asked questions
When is the last frost in Rolling Prairie, IN?
The median last spring frost in Rolling Prairie, IN is April 19. There is still about a 10% chance of frost after May 3, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Rolling Prairie, IN?
The median first fall frost is October 27, with about a 10% chance of frost before October 14.
How long is the growing season in Rolling Prairie, IN?
About 191 days between the median last spring frost and first fall frost.
What planting zone is Rolling Prairie, IN?
Rolling Prairie, IN is in USDA hardiness zone 6a.