Ashton, NE frost dates
How Ashton compares
- In 8 years out of 10, the last spring frost in Ashton falls between April 18 and May 14, a 26-day window. The first fall frost falls between September 25 and October 19.
- The median last frost is 3 days later than the Nebraska median of Apr 29.
- Its 159-day growing season is longer than 33% of the 528 Nebraska places with a regular frost season (state median 165 days).
- The last frost is typical for zone 5b, where the median is May 1.
- The weather station records an average of 161 nights a year at or below 32°F.
- Compared with Grand Island, NE, 52 km away, the last frost here is 9 days later than there and the growing season is 16 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 18 |
| 50% (median) | May 2 |
| 10% (safe for tender plants) | May 14 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 25 |
| 50% (median) | October 8 |
| 90% (late) | October 19 |
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 Ashton, NE
Ashton, NE frost dates — last frost May 2, first frost Oct 8, zone 5b. whenisthelastfrost.com
When to plant vegetables in Ashton, NE
| 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 13 – Sep 10 |
| Kale | Mar 7 – Mar 21 | Apr 4 – Apr 18 | Apr 4 – Apr 18 | Jul 30 – Aug 20 |
| Broccoli | Mar 7 – Mar 21 | Apr 18 – May 2 | — | Jul 2 – Jul 23 |
| Cabbage | Mar 7 – Mar 21 | Apr 11 – Apr 25 | — | Jul 2 – Jul 23 |
| Cauliflower | Mar 7 – Mar 21 | Apr 18 – May 2 | — | Jul 2 – Jul 23 |
| 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 16 – Aug 6 |
| Spinach | — | — | Mar 21 – Apr 11 | Aug 13 – Sep 3 |
| Radishes | — | — | Mar 28 – May 9 | Aug 27 – Sep 17 |
| Cucumbers | Apr 4 – Apr 11 | May 16 – May 23 | May 9 – May 23 | Jul 23 – Aug 6 |
| Zucchini & Summer Squash | Apr 4 – Apr 11 | — | May 9 – May 23 | Jul 30 – Aug 13 |
| 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 16 – Jul 30 |
| Beets | — | — | Apr 11 – May 9 | Jul 30 – Aug 13 |
| Potatoes | — | — | Apr 11 – May 2 | — |
| Swiss Chard | — | — | Apr 18 – May 16 | Jul 30 – Aug 13 |
| Cilantro | — | — | Apr 18 – May 9 | Aug 13 – Sep 3 |
| Green Beans | — | — | May 9 – May 30 | Jul 23 – Aug 6 |
| Sweet Corn | — | — | May 9 – May 23 | — |
| Sweet Potatoes | — | May 16 – Jun 6 | — | — |
| Garlic | — | — | — | Sep 24 – Oct 29 |
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 Loup City, NE weather station, 14 km away (elevation 2,070 ft (631 m)).
Frost dates near Ashton
- Farwell Apr 23 · Oct 14
- Loup City May 2 · Oct 8
- Rockville May 4 · Oct 3
- Elba Apr 23 · Oct 14
- Boelus May 4 · Oct 3
- North Loup May 5 · Oct 3
- Scotia May 5 · Oct 3
- Dannebrog Apr 23 · Oct 14
- Ravenna May 4 · Oct 3
- Hazard May 4 · Oct 3
Frequently asked questions
When is the last frost in Ashton, NE?
The median last spring frost in Ashton, NE is May 2. There is still about a 10% chance of frost after May 14, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Ashton, NE?
The median first fall frost is October 8, with about a 10% chance of frost before September 25.
How long is the growing season in Ashton, NE?
About 159 days between the median last spring frost and first fall frost.
What planting zone is Ashton, NE?
Ashton, NE is in USDA hardiness zone 5b.