Vermillion, KS frost dates
Last spring frostApr 20median date
First fall frostOct 18median date
Growing season181 daysfrost-free
Hardiness zone6aZone 6a
How Vermillion compares
- In 8 years out of 10, the last spring frost in Vermillion falls between April 4 and May 3, a 29-day window. The first fall frost falls between October 1 and October 30.
- The median last frost is 2 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 9 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 142 nights a year at or below 32°F.
- Compared with Manhattan, KS, 59 km away, the last frost here is 2 days earlier than there and the growing season is the same length.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 4 |
| 50% (median) | April 20 |
| 10% (safe for tender plants) | May 3 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 1 |
| 50% (median) | October 18 |
| 90% (late) | October 30 |
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 Vermillion, KS
Vermillion, KS frost dates — last frost Apr 20, first frost Oct 18, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Jan 26 to Feb 9Transplant outside: Mar 23 to Apr 6
Start indoors: Feb 9 to Feb 23Transplant outside: May 4 to May 18
Start indoors: Feb 9 to Feb 23Transplant outside: May 4 to May 18
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 27 to May 11
Start indoors: Feb 23 to Mar 9Transplant outside: Mar 30 to Apr 13Sow outdoors: Mar 23 to Apr 27Plant for fall: Aug 23 to Sep 20
Start indoors: Feb 23 to Mar 9Transplant outside: Mar 23 to Apr 6Sow outdoors: Mar 23 to Apr 6Plant for fall: Aug 9 to Aug 30
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 6 to Apr 20Plant for fall: Jul 12 to Aug 2
Start indoors: Feb 23 to Mar 9Transplant outside: Mar 30 to Apr 13Plant for fall: Jul 12 to Aug 2
Start indoors: Feb 23 to Mar 9Transplant outside: Apr 6 to Apr 20Plant for fall: Jul 12 to Aug 2
Start indoors: Mar 9 to Mar 23Transplant outside: May 11 to May 25Sow outdoors: May 11 to May 25
Start indoors: Mar 9 to Mar 23Transplant outside: Apr 27 to May 11
Sow outdoors: Mar 9 to Mar 30Plant for fall: Jul 26 to Aug 16
Sow outdoors: Mar 9 to Mar 30Plant for fall: Aug 23 to Sep 13
Sow outdoors: Mar 16 to Apr 27Plant for fall: Sep 6 to Sep 27
Start indoors: Mar 23 to Mar 30Transplant outside: May 4 to May 11Sow outdoors: Apr 27 to May 11Plant for fall: Aug 2 to Aug 16
Start indoors: Mar 23 to Mar 30Sow outdoors: Apr 27 to May 11Plant for fall: Aug 9 to Aug 23
Start indoors: Mar 23 to Mar 30Sow outdoors: Apr 27 to May 11
Start indoors: Mar 23 to Mar 30Transplant outside: May 4 to May 18
Sow outdoors: Mar 30 to Apr 27Plant for fall: Jul 26 to Aug 9
Sow outdoors: Mar 30 to Apr 27Plant for fall: Aug 9 to Aug 23
Sow outdoors: Mar 30 to Apr 20
Sow outdoors: Apr 6 to May 4Plant for fall: Aug 9 to Aug 23
Sow outdoors: Apr 6 to Apr 27Plant for fall: Aug 23 to Sep 13
Sow outdoors: Apr 27 to May 18Plant for fall: Aug 2 to Aug 16
Sow outdoors: Apr 27 to May 11
Transplant outside: May 4 to May 25
Plant for fall: Oct 4 to Nov 8
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Vermillion, KS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 26 – Feb 9 | Mar 23 – Apr 6 | — | — |
| Peppers | Feb 9 – Feb 23 | May 4 – May 18 | — | — |
| Eggplant | Feb 9 – Feb 23 | May 4 – May 18 | — | — |
| Tomatoes | Feb 23 – Mar 9 | Apr 27 – May 11 | — | — |
| Lettuce | Feb 23 – Mar 9 | Mar 30 – Apr 13 | Mar 23 – Apr 27 | Aug 23 – Sep 20 |
| Kale | Feb 23 – Mar 9 | Mar 23 – Apr 6 | Mar 23 – Apr 6 | Aug 9 – Aug 30 |
| Broccoli | Feb 23 – Mar 9 | Apr 6 – Apr 20 | — | Jul 12 – Aug 2 |
| Cabbage | Feb 23 – Mar 9 | Mar 30 – Apr 13 | — | Jul 12 – Aug 2 |
| Cauliflower | Feb 23 – Mar 9 | Apr 6 – Apr 20 | — | Jul 12 – Aug 2 |
| Okra | Mar 9 – Mar 23 | May 11 – May 25 | May 11 – May 25 | — |
| Basil | Mar 9 – Mar 23 | Apr 27 – May 11 | — | — |
| Peas | — | — | Mar 9 – Mar 30 | Jul 26 – Aug 16 |
| Spinach | — | — | Mar 9 – Mar 30 | Aug 23 – Sep 13 |
| Radishes | — | — | Mar 16 – Apr 27 | Sep 6 – Sep 27 |
| Cucumbers | Mar 23 – Mar 30 | May 4 – May 11 | Apr 27 – May 11 | Aug 2 – Aug 16 |
| Zucchini & Summer Squash | Mar 23 – Mar 30 | — | Apr 27 – May 11 | Aug 9 – Aug 23 |
| Winter Squash & Pumpkins | Mar 23 – Mar 30 | — | Apr 27 – May 11 | — |
| Melons & Watermelon | Mar 23 – Mar 30 | May 4 – May 18 | — | — |
| Carrots | — | — | Mar 30 – Apr 27 | Jul 26 – Aug 9 |
| Beets | — | — | Mar 30 – Apr 27 | Aug 9 – Aug 23 |
| Potatoes | — | — | Mar 30 – Apr 20 | — |
| Swiss Chard | — | — | Apr 6 – May 4 | Aug 9 – Aug 23 |
| Cilantro | — | — | Apr 6 – Apr 27 | Aug 23 – Sep 13 |
| Green Beans | — | — | Apr 27 – May 18 | Aug 2 – Aug 16 |
| Sweet Corn | — | — | Apr 27 – May 11 | — |
| Sweet Potatoes | — | May 4 – May 25 | — | — |
| Garlic | — | — | — | Oct 4 – Nov 8 |
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 Frankfort 6ne, KS weather station, 11 km away (elevation 1,263 ft (385 m)).
Frost dates near Vermillion
- Centralia Apr 19 · Oct 19
- Axtell Apr 22 · Oct 13
- Frankfort Apr 25 · Oct 13
- Corning Apr 19 · Oct 19
- Baileyville Apr 22 · Oct 13
- Onaga Apr 19 · Oct 19
- Home Apr 25 · Oct 13
- Beattie Apr 20 · Oct 18
- Seneca Apr 22 · Oct 13
- Goff Apr 19 · Oct 19
Frequently asked questions
When is the last frost in Vermillion, KS?
The median last spring frost in Vermillion, KS is April 20. 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 Vermillion, KS?
The median first fall frost is October 18, with about a 10% chance of frost before October 1.
How long is the growing season in Vermillion, KS?
About 181 days between the median last spring frost and first fall frost.
What planting zone is Vermillion, KS?
Vermillion, KS is in USDA hardiness zone 6a.