Ashby, NE frost dates
Last spring frostMay 14median date
First fall frostOct 2median date
Growing season141 daysfrost-free
Hardiness zone5aZone 5a
How Ashby compares
- In 8 years out of 10, the last spring frost in Ashby falls between May 3 and May 28, a 25-day window. The first fall frost falls between September 18 and October 13.
- The median last frost is 15 days later than the Nebraska median of Apr 29.
- Its 141-day growing season is among the shortest of the 528 Nebraska places with a regular frost season.
- The last frost is 11 days later than the zone 5a median of May 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5a chart.
- The weather station records an average of 198 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 3 |
| 50% (median) | May 14 |
| 10% (safe for tender plants) | May 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 18 |
| 50% (median) | October 2 |
| 90% (late) | October 13 |
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 Ashby, NE
Ashby, NE frost dates — last frost May 14, first frost Oct 2, zone 5a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Feb 19 to Mar 5Transplant outside: Apr 16 to Apr 30
Start indoors: Mar 5 to Mar 19Transplant outside: May 28 to Jun 11
Start indoors: Mar 5 to Mar 19Transplant outside: May 28 to Jun 11
Start indoors: Mar 19 to Apr 2Transplant outside: May 21 to Jun 4
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 23 to May 7Sow outdoors: Apr 16 to May 21Plant for fall: Aug 7 to Sep 4
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 16 to Apr 30Sow outdoors: Apr 16 to Apr 30Plant for fall: Jul 24 to Aug 14
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 30 to May 14Plant for fall: Jun 26 to Jul 17
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 23 to May 7Plant for fall: Jun 26 to Jul 17
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 30 to May 14Plant for fall: Jun 26 to Jul 17
Start indoors: Apr 2 to Apr 16Transplant outside: Jun 4 to Jun 18Sow outdoors: Jun 4 to Jun 18
Start indoors: Apr 2 to Apr 16Transplant outside: May 21 to Jun 4
Sow outdoors: Apr 2 to Apr 23Plant for fall: Jul 10 to Jul 31
Sow outdoors: Apr 2 to Apr 23Plant for fall: Aug 7 to Aug 28
Sow outdoors: Apr 9 to May 21Plant for fall: Aug 21 to Sep 11
Start indoors: Apr 16 to Apr 23Transplant outside: May 28 to Jun 4Sow outdoors: May 21 to Jun 4Plant for fall: Jul 17 to Jul 31
Start indoors: Apr 16 to Apr 23Sow outdoors: May 21 to Jun 4Plant for fall: Jul 24 to Aug 7
Start indoors: Apr 16 to Apr 23Sow outdoors: May 21 to Jun 4
Start indoors: Apr 16 to Apr 23Transplant outside: May 28 to Jun 11
Sow outdoors: Apr 23 to May 21Plant for fall: Jul 10 to Jul 24
Sow outdoors: Apr 23 to May 21Plant for fall: Jul 24 to Aug 7
Sow outdoors: Apr 23 to May 14
Sow outdoors: Apr 30 to May 28Plant for fall: Jul 24 to Aug 7
Sow outdoors: Apr 30 to May 21Plant for fall: Aug 7 to Aug 28
Sow outdoors: May 21 to Jun 11Plant for fall: Jul 17 to Jul 31
Sow outdoors: May 21 to Jun 4
Transplant outside: May 28 to Jun 18
Plant for fall: Sep 18 to Oct 23
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Ashby, NE
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 19 – Mar 5 | Apr 16 – Apr 30 | — | — |
| Peppers | Mar 5 – Mar 19 | May 28 – Jun 11 | — | — |
| Eggplant | Mar 5 – Mar 19 | May 28 – Jun 11 | — | — |
| Tomatoes | Mar 19 – Apr 2 | May 21 – Jun 4 | — | — |
| Lettuce | Mar 19 – Apr 2 | Apr 23 – May 7 | Apr 16 – May 21 | Aug 7 – Sep 4 |
| Kale | Mar 19 – Apr 2 | Apr 16 – Apr 30 | Apr 16 – Apr 30 | Jul 24 – Aug 14 |
| Broccoli | Mar 19 – Apr 2 | Apr 30 – May 14 | — | Jun 26 – Jul 17 |
| Cabbage | Mar 19 – Apr 2 | Apr 23 – May 7 | — | Jun 26 – Jul 17 |
| Cauliflower | Mar 19 – Apr 2 | Apr 30 – May 14 | — | Jun 26 – Jul 17 |
| Okra | Apr 2 – Apr 16 | Jun 4 – Jun 18 | Jun 4 – Jun 18 | — |
| Basil | Apr 2 – Apr 16 | May 21 – Jun 4 | — | — |
| Peas | — | — | Apr 2 – Apr 23 | Jul 10 – Jul 31 |
| Spinach | — | — | Apr 2 – Apr 23 | Aug 7 – Aug 28 |
| Radishes | — | — | Apr 9 – May 21 | Aug 21 – Sep 11 |
| Cucumbers | Apr 16 – Apr 23 | May 28 – Jun 4 | May 21 – Jun 4 | Jul 17 – Jul 31 |
| Zucchini & Summer Squash | Apr 16 – Apr 23 | — | May 21 – Jun 4 | Jul 24 – Aug 7 |
| Winter Squash & Pumpkins | Apr 16 – Apr 23 | — | May 21 – Jun 4 | — |
| Melons & Watermelon | Apr 16 – Apr 23 | May 28 – Jun 11 | — | — |
| Carrots | — | — | Apr 23 – May 21 | Jul 10 – Jul 24 |
| Beets | — | — | Apr 23 – May 21 | Jul 24 – Aug 7 |
| Potatoes | — | — | Apr 23 – May 14 | — |
| Swiss Chard | — | — | Apr 30 – May 28 | Jul 24 – Aug 7 |
| Cilantro | — | — | Apr 30 – May 21 | Aug 7 – Aug 28 |
| Green Beans | — | — | May 21 – Jun 11 | Jul 17 – Jul 31 |
| Sweet Corn | — | — | May 21 – Jun 4 | — |
| Sweet Potatoes | — | May 28 – Jun 18 | — | — |
| Garlic | — | — | — | Sep 18 – Oct 23 |
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 Ellsworth 2w, NE weather station, 31 km away (elevation 3,911 ft (1,192 m)).
Frost dates near Ashby
- Bingham May 14 · Oct 2
- Hyannis May 4 · Oct 8
- Ellsworth May 14 · Oct 2
- Whitman May 4 · Oct 8
- Lakeside May 14 · Oct 2
- Arthur May 9 · Oct 3
- Oshkosh May 9 · Oct 2
- Lisco May 7 · Oct 9
- Lewellen May 9 · Oct 2
- Lemoyne Apr 22 · Oct 18
Frequently asked questions
When is the last frost in Ashby, NE?
The median last spring frost in Ashby, NE is May 14. There is still about a 10% chance of frost after May 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Ashby, NE?
The median first fall frost is October 2, with about a 10% chance of frost before September 18.
How long is the growing season in Ashby, NE?
About 141 days between the median last spring frost and first fall frost.
What planting zone is Ashby, NE?
Ashby, NE is in USDA hardiness zone 5a.