Fostoria, KS frost dates
How Fostoria compares
- In 8 years out of 10, the last spring frost in Fostoria falls between April 8 and May 5, a 27-day window. The first fall frost falls between October 4 and November 1.
- The median last frost is 4 days later than the Kansas median of Apr 18.
- Its 181-day growing season is longer than 31% of the 632 Kansas places with a regular frost season (state median 187 days).
- The last frost is 7 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 134 nights a year at or below 32°F.
- Fostoria shares its weather station with Manhattan, KS, 25 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 8 |
| 50% (median) | April 22 |
| 10% (safe for tender plants) | May 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 4 |
| 50% (median) | October 20 |
| 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 Fostoria, KS
Fostoria, KS frost dates — last frost Apr 22, first frost Oct 20, zone 6a. whenisthelastfrost.com
When to plant vegetables in Fostoria, KS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 28 – Feb 11 | Mar 25 – Apr 8 | — | — |
| Peppers | Feb 11 – Feb 25 | May 6 – May 20 | — | — |
| Eggplant | Feb 11 – Feb 25 | May 6 – May 20 | — | — |
| Tomatoes | Feb 25 – Mar 11 | Apr 29 – May 13 | — | — |
| Lettuce | Feb 25 – Mar 11 | Apr 1 – Apr 15 | Mar 25 – Apr 29 | Aug 25 – Sep 22 |
| Kale | Feb 25 – Mar 11 | Mar 25 – Apr 8 | Mar 25 – Apr 8 | Aug 11 – Sep 1 |
| Broccoli | Feb 25 – Mar 11 | Apr 8 – Apr 22 | — | Jul 14 – Aug 4 |
| Cabbage | Feb 25 – Mar 11 | Apr 1 – Apr 15 | — | Jul 14 – Aug 4 |
| Cauliflower | Feb 25 – Mar 11 | Apr 8 – Apr 22 | — | Jul 14 – Aug 4 |
| Okra | Mar 11 – Mar 25 | May 13 – May 27 | May 13 – May 27 | — |
| Basil | Mar 11 – Mar 25 | Apr 29 – May 13 | — | — |
| Peas | — | — | Mar 11 – Apr 1 | Jul 28 – Aug 18 |
| Spinach | — | — | Mar 11 – Apr 1 | Aug 25 – Sep 15 |
| Radishes | — | — | Mar 18 – Apr 29 | Sep 8 – Sep 29 |
| Cucumbers | Mar 25 – Apr 1 | May 6 – May 13 | Apr 29 – May 13 | Aug 4 – Aug 18 |
| Zucchini & Summer Squash | Mar 25 – Apr 1 | — | Apr 29 – May 13 | Aug 11 – Aug 25 |
| Winter Squash & Pumpkins | Mar 25 – Apr 1 | — | Apr 29 – May 13 | — |
| Melons & Watermelon | Mar 25 – Apr 1 | May 6 – May 20 | — | — |
| Carrots | — | — | Apr 1 – Apr 29 | Jul 28 – Aug 11 |
| Beets | — | — | Apr 1 – Apr 29 | Aug 11 – Aug 25 |
| Potatoes | — | — | Apr 1 – Apr 22 | — |
| Swiss Chard | — | — | Apr 8 – May 6 | Aug 11 – Aug 25 |
| Cilantro | — | — | Apr 8 – Apr 29 | Aug 25 – Sep 15 |
| Green Beans | — | — | Apr 29 – May 20 | Aug 4 – Aug 18 |
| Sweet Corn | — | — | Apr 29 – May 13 | — |
| Sweet Potatoes | — | May 6 – May 27 | — | — |
| Garlic | — | — | — | Oct 6 – Nov 10 |
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 Tuttle Creek Lake, KS weather station, 23 km away (elevation 1,060 ft (323 m)).
Frost dates near Fostoria
- Westmoreland Apr 18 · Oct 19
- Olsburg Apr 22 · Oct 20
- Randolph Apr 22 · Oct 20
- Manhattan Apr 22 · Oct 20
- Saint George Apr 18 · Oct 19
- Blue Rapids Apr 25 · Oct 13
- Onaga Apr 19 · Oct 19
- Wamego Apr 18 · Oct 19
- Riley Apr 22 · Oct 20
- Leonardville Apr 19 · Oct 19
Frequently asked questions
When is the last frost in Fostoria, KS?
The median last spring frost in Fostoria, KS is April 22. There is still about a 10% chance of frost after May 5, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Fostoria, KS?
The median first fall frost is October 20, with about a 10% chance of frost before October 4.
How long is the growing season in Fostoria, KS?
About 181 days between the median last spring frost and first fall frost.
What planting zone is Fostoria, KS?
Fostoria, KS is in USDA hardiness zone 6a.