Frost dates for 46803 — Fort Wayne, IN
How Fort Wayne compares
- In 8 years out of 10, the last spring frost in Fort Wayne falls between April 10 and May 10, a 30-day window. The first fall frost falls between October 8 and November 1.
- The median last frost is 2 days later than the Indiana median of Apr 22.
- Its 180-day growing season is longer than 43% of the 733 Indiana places with a regular frost season (state median 182 days).
- The last frost is 5 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 124 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 10 |
| 50% (median) | April 24 |
| 10% (safe for tender plants) | May 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 8 |
| 50% (median) | October 21 |
| 90% (late) | November 1 |
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 Fort Wayne, IN
Frost dates for 46803 — Fort Wayne, IN — last frost Apr 24, first frost Oct 21, zone 6a. whenisthelastfrost.com
When to plant vegetables in Fort Wayne, IN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 30 – Feb 13 | Mar 27 – Apr 10 | — | — |
| Peppers | Feb 13 – Feb 27 | May 8 – May 22 | — | — |
| Eggplant | Feb 13 – Feb 27 | May 8 – May 22 | — | — |
| Tomatoes | Feb 27 – Mar 13 | May 1 – May 15 | — | — |
| Lettuce | Feb 27 – Mar 13 | Apr 3 – Apr 17 | Mar 27 – May 1 | Aug 26 – Sep 23 |
| Kale | Feb 27 – Mar 13 | Mar 27 – Apr 10 | Mar 27 – Apr 10 | Aug 12 – Sep 2 |
| Broccoli | Feb 27 – Mar 13 | Apr 10 – Apr 24 | — | Jul 15 – Aug 5 |
| Cabbage | Feb 27 – Mar 13 | Apr 3 – Apr 17 | — | Jul 15 – Aug 5 |
| Cauliflower | Feb 27 – Mar 13 | Apr 10 – Apr 24 | — | Jul 15 – Aug 5 |
| Okra | Mar 13 – Mar 27 | May 15 – May 29 | May 15 – May 29 | — |
| Basil | Mar 13 – Mar 27 | May 1 – May 15 | — | — |
| Peas | — | — | Mar 13 – Apr 3 | Jul 29 – Aug 19 |
| Spinach | — | — | Mar 13 – Apr 3 | Aug 26 – Sep 16 |
| Radishes | — | — | Mar 20 – May 1 | Sep 9 – Sep 30 |
| Cucumbers | Mar 27 – Apr 3 | May 8 – May 15 | May 1 – May 15 | Aug 5 – Aug 19 |
| Zucchini & Summer Squash | Mar 27 – Apr 3 | — | May 1 – May 15 | Aug 12 – Aug 26 |
| Winter Squash & Pumpkins | Mar 27 – Apr 3 | — | May 1 – May 15 | — |
| Melons & Watermelon | Mar 27 – Apr 3 | May 8 – May 22 | — | — |
| Carrots | — | — | Apr 3 – May 1 | Jul 29 – Aug 12 |
| Beets | — | — | Apr 3 – May 1 | Aug 12 – Aug 26 |
| Potatoes | — | — | Apr 3 – Apr 24 | — |
| Swiss Chard | — | — | Apr 10 – May 8 | Aug 12 – Aug 26 |
| Cilantro | — | — | Apr 10 – May 1 | Aug 26 – Sep 16 |
| Green Beans | — | — | May 1 – May 22 | Aug 5 – Aug 19 |
| Sweet Corn | — | — | May 1 – May 15 | — |
| Sweet Potatoes | — | May 8 – May 29 | — | — |
| Garlic | — | — | — | Oct 7 – Nov 11 |
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 Ft Wayne Intl Ap, IN weather station, 14 km away (elevation 791 ft (241 m)).
ZIP codes in Fort Wayne: 46801 46802 46803 46804 46805 46806 46807 46808 46809 46814 46815 46816 46818 46819 46825 46835 46845 46850 46851 46852 46853 46854 46855 46856 46857 46858 46859 46860 46861 46862 46863 46864 46865 46866 46867 46868 46869 46885 46895 46896 46897 46898 46899
Frost dates near Fort Wayne
- New Haven Apr 27 · Oct 19
- Hoagland Apr 23 · Oct 19
- Arcola Apr 24 · Oct 21
- Yoder Apr 24 · Oct 21
- Leo May 2 · Oct 10
- Huntertown May 2 · Oct 10
- Monroeville Apr 23 · Oct 19
- Grabill Apr 27 · Oct 19
Frequently asked questions
When is the last frost in Fort Wayne, IN?
The median last spring frost in Fort Wayne, IN is April 24. There is still about a 10% chance of frost after May 10, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Fort Wayne, IN?
The median first fall frost is October 21, with about a 10% chance of frost before October 8.
How long is the growing season in Fort Wayne, IN?
About 180 days between the median last spring frost and first fall frost.
What planting zone is Fort Wayne, IN?
Fort Wayne, IN is in USDA hardiness zone 6a.