Arnold, NE frost dates
How Arnold compares
- In 8 years out of 10, the last spring frost in Arnold falls between April 23 and May 19, a 26-day window. The first fall frost falls between September 21 and October 15.
- The median last frost is 6 days later than the Nebraska median of Apr 29.
- Its 151-day growing season is longer than 14% of the 528 Nebraska places with a regular frost season (state median 165 days).
- The last frost is typical for zone 5a, where the median is May 3.
- The weather station records an average of 171 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 23 |
| 50% (median) | May 5 |
| 10% (safe for tender plants) | May 19 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 21 |
| 50% (median) | October 3 |
| 90% (late) | October 15 |
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 Arnold, NE
Arnold, NE frost dates — last frost May 5, first frost Oct 3, zone 5a. whenisthelastfrost.com
When to plant vegetables in Arnold, NE
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 10 – Feb 24 | Apr 7 – Apr 21 | — | — |
| Peppers | Feb 24 – Mar 10 | May 19 – Jun 2 | — | — |
| Eggplant | Feb 24 – Mar 10 | May 19 – Jun 2 | — | — |
| Tomatoes | Mar 10 – Mar 24 | May 12 – May 26 | — | — |
| Lettuce | Mar 10 – Mar 24 | Apr 14 – Apr 28 | Apr 7 – May 12 | Aug 8 – Sep 5 |
| Kale | Mar 10 – Mar 24 | Apr 7 – Apr 21 | Apr 7 – Apr 21 | Jul 25 – Aug 15 |
| Broccoli | Mar 10 – Mar 24 | Apr 21 – May 5 | — | Jun 27 – Jul 18 |
| Cabbage | Mar 10 – Mar 24 | Apr 14 – Apr 28 | — | Jun 27 – Jul 18 |
| Cauliflower | Mar 10 – Mar 24 | Apr 21 – May 5 | — | Jun 27 – Jul 18 |
| Okra | Mar 24 – Apr 7 | May 26 – Jun 9 | May 26 – Jun 9 | — |
| Basil | Mar 24 – Apr 7 | May 12 – May 26 | — | — |
| Peas | — | — | Mar 24 – Apr 14 | Jul 11 – Aug 1 |
| Spinach | — | — | Mar 24 – Apr 14 | Aug 8 – Aug 29 |
| Radishes | — | — | Mar 31 – May 12 | Aug 22 – Sep 12 |
| Cucumbers | Apr 7 – Apr 14 | May 19 – May 26 | May 12 – May 26 | Jul 18 – Aug 1 |
| Zucchini & Summer Squash | Apr 7 – Apr 14 | — | May 12 – May 26 | Jul 25 – Aug 8 |
| Winter Squash & Pumpkins | Apr 7 – Apr 14 | — | May 12 – May 26 | — |
| Melons & Watermelon | Apr 7 – Apr 14 | May 19 – Jun 2 | — | — |
| Carrots | — | — | Apr 14 – May 12 | Jul 11 – Jul 25 |
| Beets | — | — | Apr 14 – May 12 | Jul 25 – Aug 8 |
| Potatoes | — | — | Apr 14 – May 5 | — |
| Swiss Chard | — | — | Apr 21 – May 19 | Jul 25 – Aug 8 |
| Cilantro | — | — | Apr 21 – May 12 | Aug 8 – Aug 29 |
| Green Beans | — | — | May 12 – Jun 2 | Jul 18 – Aug 1 |
| Sweet Corn | — | — | May 12 – May 26 | — |
| Sweet Potatoes | — | May 19 – Jun 9 | — | — |
| Garlic | — | — | — | Sep 19 – Oct 24 |
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 Arnold 4 Wnw, NE weather station, 10 km away (elevation 2,877 ft (877 m)).
Frost dates near Arnold
- Callaway May 3 · Oct 6
- Stapleton May 8 · Oct 3
- Merna May 10 · Oct 1
- Anselmo May 10 · Oct 1
- Dunning May 10 · Oct 1
- Broken Bow May 1 · Oct 7
- Oconto May 10 · Oct 1
- Brady May 2 · Oct 10
- Maxwell May 11 · Oct 1
- Halsey May 9 · Oct 2
Frequently asked questions
When is the last frost in Arnold, NE?
The median last spring frost in Arnold, NE is May 5. There is still about a 10% chance of frost after May 19, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Arnold, NE?
The median first fall frost is October 3, with about a 10% chance of frost before September 21.
How long is the growing season in Arnold, NE?
About 151 days between the median last spring frost and first fall frost.
What planting zone is Arnold, NE?
Arnold, NE is in USDA hardiness zone 5a.