Huron, IN frost dates
Last spring frostApr 10median date
First fall frostOct 30median date
Growing season203 daysfrost-free
Hardiness zone6bZone 6b
How Huron compares
- In 8 years out of 10, the last spring frost in Huron falls between March 25 and April 30, a 36-day window. The first fall frost falls between October 16 and November 11.
- The median last frost is 12 days earlier than the Indiana median of Apr 22.
- Its 203-day growing season is longer than 90% of the 733 Indiana places with a regular frost season (state median 182 days).
- The last frost is 12 days earlier than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 96 nights a year at or below 32°F.
- Compared with Bloomington, IN, 52 km away, the last frost here is 5 days earlier than there and the growing season is 9 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 25 |
| 50% (median) | April 10 |
| 10% (safe for tender plants) | April 30 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 16 |
| 50% (median) | October 30 |
| 90% (late) | November 11 |
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 Huron, IN
Huron, IN frost dates — last frost Apr 10, first frost Oct 30, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Jan 16 to Jan 30Transplant outside: Mar 13 to Mar 27
Start indoors: Jan 30 to Feb 13Transplant outside: Apr 24 to May 8
Start indoors: Jan 30 to Feb 13Transplant outside: Apr 24 to May 8
Start indoors: Feb 13 to Feb 27Transplant outside: Apr 17 to May 1
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 20 to Apr 3Sow outdoors: Mar 13 to Apr 17Plant for fall: Sep 4 to Oct 2
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 13 to Mar 27Sow outdoors: Mar 13 to Mar 27Plant for fall: Aug 21 to Sep 11
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 27 to Apr 10Plant for fall: Jul 24 to Aug 14
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 20 to Apr 3Plant for fall: Jul 24 to Aug 14
Start indoors: Feb 13 to Feb 27Transplant outside: Mar 27 to Apr 10Plant for fall: Jul 24 to Aug 14
Start indoors: Feb 27 to Mar 13Transplant outside: May 1 to May 15Sow outdoors: May 1 to May 15
Start indoors: Feb 27 to Mar 13Transplant outside: Apr 17 to May 1
Sow outdoors: Feb 27 to Mar 20Plant for fall: Aug 7 to Aug 28
Sow outdoors: Feb 27 to Mar 20Plant for fall: Sep 4 to Sep 25
Sow outdoors: Mar 6 to Apr 17Plant for fall: Sep 18 to Oct 9
Start indoors: Mar 13 to Mar 20Transplant outside: Apr 24 to May 1Sow outdoors: Apr 17 to May 1Plant for fall: Aug 14 to Aug 28
Start indoors: Mar 13 to Mar 20Sow outdoors: Apr 17 to May 1Plant for fall: Aug 21 to Sep 4
Start indoors: Mar 13 to Mar 20Sow outdoors: Apr 17 to May 1
Start indoors: Mar 13 to Mar 20Transplant outside: Apr 24 to May 8
Sow outdoors: Mar 20 to Apr 17Plant for fall: Aug 7 to Aug 21
Sow outdoors: Mar 20 to Apr 17Plant for fall: Aug 21 to Sep 4
Sow outdoors: Mar 20 to Apr 10
Sow outdoors: Mar 27 to Apr 24Plant for fall: Aug 21 to Sep 4
Sow outdoors: Mar 27 to Apr 17Plant for fall: Sep 4 to Sep 25
Sow outdoors: Apr 17 to May 8Plant for fall: Aug 14 to Aug 28
Sow outdoors: Apr 17 to May 1
Transplant outside: Apr 24 to May 15
Plant for fall: Oct 16 to Nov 20
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Huron, IN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 16 – Jan 30 | Mar 13 – Mar 27 | — | — |
| Peppers | Jan 30 – Feb 13 | Apr 24 – May 8 | — | — |
| Eggplant | Jan 30 – Feb 13 | Apr 24 – May 8 | — | — |
| Tomatoes | Feb 13 – Feb 27 | Apr 17 – May 1 | — | — |
| Lettuce | Feb 13 – Feb 27 | Mar 20 – Apr 3 | Mar 13 – Apr 17 | Sep 4 – Oct 2 |
| Kale | Feb 13 – Feb 27 | Mar 13 – Mar 27 | Mar 13 – Mar 27 | Aug 21 – Sep 11 |
| Broccoli | Feb 13 – Feb 27 | Mar 27 – Apr 10 | — | Jul 24 – Aug 14 |
| Cabbage | Feb 13 – Feb 27 | Mar 20 – Apr 3 | — | Jul 24 – Aug 14 |
| Cauliflower | Feb 13 – Feb 27 | Mar 27 – Apr 10 | — | Jul 24 – Aug 14 |
| Okra | Feb 27 – Mar 13 | May 1 – May 15 | May 1 – May 15 | — |
| Basil | Feb 27 – Mar 13 | Apr 17 – May 1 | — | — |
| Peas | — | — | Feb 27 – Mar 20 | Aug 7 – Aug 28 |
| Spinach | — | — | Feb 27 – Mar 20 | Sep 4 – Sep 25 |
| Radishes | — | — | Mar 6 – Apr 17 | Sep 18 – Oct 9 |
| Cucumbers | Mar 13 – Mar 20 | Apr 24 – May 1 | Apr 17 – May 1 | Aug 14 – Aug 28 |
| Zucchini & Summer Squash | Mar 13 – Mar 20 | — | Apr 17 – May 1 | Aug 21 – Sep 4 |
| Winter Squash & Pumpkins | Mar 13 – Mar 20 | — | Apr 17 – May 1 | — |
| Melons & Watermelon | Mar 13 – Mar 20 | Apr 24 – May 8 | — | — |
| Carrots | — | — | Mar 20 – Apr 17 | Aug 7 – Aug 21 |
| Beets | — | — | Mar 20 – Apr 17 | Aug 21 – Sep 4 |
| Potatoes | — | — | Mar 20 – Apr 10 | — |
| Swiss Chard | — | — | Mar 27 – Apr 24 | Aug 21 – Sep 4 |
| Cilantro | — | — | Mar 27 – Apr 17 | Sep 4 – Sep 25 |
| Green Beans | — | — | Apr 17 – May 8 | Aug 14 – Aug 28 |
| Sweet Corn | — | — | Apr 17 – May 1 | — |
| Sweet Potatoes | — | Apr 24 – May 15 | — | — |
| Garlic | — | — | — | Oct 16 – Nov 20 |
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 Bedford 5 Wnw, IN weather station, 20 km away (elevation 761 ft (232 m)).
Frost dates near Huron
- Williams Apr 10 · Oct 30
- Shoals Apr 15 · Oct 23
- West Baden Springs Apr 21 · Oct 18
- Mitchell Apr 20 · Oct 20
- Orleans Apr 21 · Oct 18
- French Lick Apr 25 · Oct 15
- Loogootee Apr 15 · Oct 23
- Oolitic Apr 20 · Oct 20
- Bedford Apr 20 · Oct 20
- Avoca Apr 20 · Oct 20
Frequently asked questions
When is the last frost in Huron, IN?
The median last spring frost in Huron, IN is April 10. There is still about a 10% chance of frost after April 30, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Huron, IN?
The median first fall frost is October 30, with about a 10% chance of frost before October 16.
How long is the growing season in Huron, IN?
About 203 days between the median last spring frost and first fall frost.
What planting zone is Huron, IN?
Huron, IN is in USDA hardiness zone 6b.