Marienthal, KS frost dates
Last spring frostMay 2median date
First fall frostOct 12median date
Growing season163 daysfrost-free
Hardiness zone6aZone 6a
How Marienthal compares
- In 8 years out of 10, the last spring frost in Marienthal falls between April 17 and May 16, a 29-day window. The first fall frost falls between September 29 and October 24.
- The median last frost is 14 days later than the Kansas median of Apr 18.
- Its 163-day growing season is longer than 4% of the 632 Kansas places with a regular frost season (state median 187 days).
- The last frost is typical for zone 6a, where the median is Apr 29.
- The weather station records an average of 160 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 17 |
| 50% (median) | May 2 |
| 10% (safe for tender plants) | May 16 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 29 |
| 50% (median) | October 12 |
| 90% (late) | October 24 |
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 Marienthal, KS
Marienthal, KS frost dates — last frost May 2, first frost Oct 12, zone 6a. whenisthelastfrost.com
Crop
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Start indoors: Feb 7 to Feb 21Transplant outside: Apr 4 to Apr 18
Start indoors: Feb 21 to Mar 7Transplant outside: May 16 to May 30
Start indoors: Feb 21 to Mar 7Transplant outside: May 16 to May 30
Start indoors: Mar 7 to Mar 21Transplant outside: May 9 to May 23
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 11 to Apr 25Sow outdoors: Apr 4 to May 9Plant for fall: Aug 17 to Sep 14
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 4 to Apr 18Sow outdoors: Apr 4 to Apr 18Plant for fall: Aug 3 to Aug 24
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 18 to May 2Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 11 to Apr 25Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 7 to Mar 21Transplant outside: Apr 18 to May 2Plant for fall: Jul 6 to Jul 27
Start indoors: Mar 21 to Apr 4Transplant outside: May 23 to Jun 6Sow outdoors: May 23 to Jun 6
Start indoors: Mar 21 to Apr 4Transplant outside: May 9 to May 23
Sow outdoors: Mar 21 to Apr 11Plant for fall: Jul 20 to Aug 10
Sow outdoors: Mar 21 to Apr 11Plant for fall: Aug 17 to Sep 7
Sow outdoors: Mar 28 to May 9Plant for fall: Aug 31 to Sep 21
Start indoors: Apr 4 to Apr 11Transplant outside: May 16 to May 23Sow outdoors: May 9 to May 23Plant for fall: Jul 27 to Aug 10
Start indoors: Apr 4 to Apr 11Sow outdoors: May 9 to May 23Plant for fall: Aug 3 to Aug 17
Start indoors: Apr 4 to Apr 11Sow outdoors: May 9 to May 23
Start indoors: Apr 4 to Apr 11Transplant outside: May 16 to May 30
Sow outdoors: Apr 11 to May 9Plant for fall: Jul 20 to Aug 3
Sow outdoors: Apr 11 to May 9Plant for fall: Aug 3 to Aug 17
Sow outdoors: Apr 11 to May 2
Sow outdoors: Apr 18 to May 16Plant for fall: Aug 3 to Aug 17
Sow outdoors: Apr 18 to May 9Plant for fall: Aug 17 to Sep 7
Sow outdoors: May 9 to May 30Plant for fall: Jul 27 to Aug 10
Sow outdoors: May 9 to May 23
Transplant outside: May 16 to Jun 6
Plant for fall: Sep 28 to Nov 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Marienthal, KS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 7 – Feb 21 | Apr 4 – Apr 18 | — | — |
| Peppers | Feb 21 – Mar 7 | May 16 – May 30 | — | — |
| Eggplant | Feb 21 – Mar 7 | May 16 – May 30 | — | — |
| Tomatoes | Mar 7 – Mar 21 | May 9 – May 23 | — | — |
| Lettuce | Mar 7 – Mar 21 | Apr 11 – Apr 25 | Apr 4 – May 9 | Aug 17 – Sep 14 |
| Kale | Mar 7 – Mar 21 | Apr 4 – Apr 18 | Apr 4 – Apr 18 | Aug 3 – Aug 24 |
| Broccoli | Mar 7 – Mar 21 | Apr 18 – May 2 | — | Jul 6 – Jul 27 |
| Cabbage | Mar 7 – Mar 21 | Apr 11 – Apr 25 | — | Jul 6 – Jul 27 |
| Cauliflower | Mar 7 – Mar 21 | Apr 18 – May 2 | — | Jul 6 – Jul 27 |
| Okra | Mar 21 – Apr 4 | May 23 – Jun 6 | May 23 – Jun 6 | — |
| Basil | Mar 21 – Apr 4 | May 9 – May 23 | — | — |
| Peas | — | — | Mar 21 – Apr 11 | Jul 20 – Aug 10 |
| Spinach | — | — | Mar 21 – Apr 11 | Aug 17 – Sep 7 |
| Radishes | — | — | Mar 28 – May 9 | Aug 31 – Sep 21 |
| Cucumbers | Apr 4 – Apr 11 | May 16 – May 23 | May 9 – May 23 | Jul 27 – Aug 10 |
| Zucchini & Summer Squash | Apr 4 – Apr 11 | — | May 9 – May 23 | Aug 3 – Aug 17 |
| Winter Squash & Pumpkins | Apr 4 – Apr 11 | — | May 9 – May 23 | — |
| Melons & Watermelon | Apr 4 – Apr 11 | May 16 – May 30 | — | — |
| Carrots | — | — | Apr 11 – May 9 | Jul 20 – Aug 3 |
| Beets | — | — | Apr 11 – May 9 | Aug 3 – Aug 17 |
| Potatoes | — | — | Apr 11 – May 2 | — |
| Swiss Chard | — | — | Apr 18 – May 16 | Aug 3 – Aug 17 |
| Cilantro | — | — | Apr 18 – May 9 | Aug 17 – Sep 7 |
| Green Beans | — | — | May 9 – May 30 | Jul 27 – Aug 10 |
| Sweet Corn | — | — | May 9 – May 23 | — |
| Sweet Potatoes | — | May 16 – Jun 6 | — | — |
| Garlic | — | — | — | Sep 28 – Nov 2 |
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 Leoti, KS weather station, 13 km away (elevation 3,310 ft (1,009 m)).
Frost dates near Marienthal
- Leoti May 2 · Oct 12
- Scott City Apr 30 · Oct 15
- Tribune May 2 · Oct 11
- Healy Apr 28 · Oct 15
- Wallace Apr 30 · Oct 10
- Deerfield Apr 18 · Oct 23
- Holcomb Apr 28 · Oct 17
- Lakin Apr 18 · Oct 23
- Winona Apr 29 · Oct 17
- Sharon Springs Apr 28 · Oct 15
Frequently asked questions
When is the last frost in Marienthal, KS?
The median last spring frost in Marienthal, KS is May 2. There is still about a 10% chance of frost after May 16, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Marienthal, KS?
The median first fall frost is October 12, with about a 10% chance of frost before September 29.
How long is the growing season in Marienthal, KS?
About 163 days between the median last spring frost and first fall frost.
What planting zone is Marienthal, KS?
Marienthal, KS is in USDA hardiness zone 6a.