Belmond, IA frost dates
How Belmond compares
- In 8 years out of 10, the last spring frost in Belmond falls between April 17 and May 12, a 25-day window. The first fall frost falls between September 27 and October 21.
- The median last frost is 2 days later than the Iowa median of Apr 28.
- Its 163-day growing season is longer than 35% of the 934 Iowa 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 161 nights a year at or below 32°F.
- Compared with Ames, IA, 91 km away, the last frost here is 4 days later than there and the growing season is 2 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 17 |
| 50% (median) | April 30 |
| 10% (safe for tender plants) | May 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 27 |
| 50% (median) | October 10 |
| 90% (late) | October 21 |
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 Belmond, IA
Belmond, IA frost dates — last frost Apr 30, first frost Oct 10, zone 5a. whenisthelastfrost.com
When to plant vegetables in Belmond, IA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 5 – Feb 19 | Apr 2 – Apr 16 | — | — |
| Peppers | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Eggplant | Feb 19 – Mar 5 | May 14 – May 28 | — | — |
| Tomatoes | Mar 5 – Mar 19 | May 7 – May 21 | — | — |
| Lettuce | Mar 5 – Mar 19 | Apr 9 – Apr 23 | Apr 2 – May 7 | Aug 15 – Sep 12 |
| Kale | Mar 5 – Mar 19 | Apr 2 – Apr 16 | Apr 2 – Apr 16 | Aug 1 – Aug 22 |
| Broccoli | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 4 – Jul 25 |
| Cabbage | Mar 5 – Mar 19 | Apr 9 – Apr 23 | — | Jul 4 – Jul 25 |
| Cauliflower | Mar 5 – Mar 19 | Apr 16 – Apr 30 | — | Jul 4 – Jul 25 |
| Okra | Mar 19 – Apr 2 | May 21 – Jun 4 | May 21 – Jun 4 | — |
| Basil | Mar 19 – Apr 2 | May 7 – May 21 | — | — |
| Peas | — | — | Mar 19 – Apr 9 | Jul 18 – Aug 8 |
| Spinach | — | — | Mar 19 – Apr 9 | Aug 15 – Sep 5 |
| Radishes | — | — | Mar 26 – May 7 | Aug 29 – Sep 19 |
| Cucumbers | Apr 2 – Apr 9 | May 14 – May 21 | May 7 – May 21 | Jul 25 – Aug 8 |
| Zucchini & Summer Squash | Apr 2 – Apr 9 | — | May 7 – May 21 | Aug 1 – Aug 15 |
| Winter Squash & Pumpkins | Apr 2 – Apr 9 | — | May 7 – May 21 | — |
| Melons & Watermelon | Apr 2 – Apr 9 | May 14 – May 28 | — | — |
| Carrots | — | — | Apr 9 – May 7 | Jul 18 – Aug 1 |
| Beets | — | — | Apr 9 – May 7 | Aug 1 – Aug 15 |
| Potatoes | — | — | Apr 9 – Apr 30 | — |
| Swiss Chard | — | — | Apr 16 – May 14 | Aug 1 – Aug 15 |
| Cilantro | — | — | Apr 16 – May 7 | Aug 15 – Sep 5 |
| Green Beans | — | — | May 7 – May 28 | Jul 25 – Aug 8 |
| Sweet Corn | — | — | May 7 – May 21 | — |
| Sweet Potatoes | — | May 14 – Jun 4 | — | — |
| Garlic | — | — | — | Sep 26 – Oct 31 |
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 Clarion, IA weather station, 17 km away (elevation 1,155 ft (352 m)).
Frost dates near Belmond
- Goodell Apr 29 · Oct 7
- Rowan Apr 30 · Oct 10
- Meservey Apr 29 · Oct 9
- Alexander Apr 29 · Oct 9
- Kanawha Apr 29 · Oct 7
- Clarion Apr 30 · Oct 10
- Galt Apr 30 · Oct 10
- Klemme Apr 29 · Oct 7
- Thornton May 3 · Oct 1
- Dows Apr 30 · Oct 10
Frequently asked questions
When is the last frost in Belmond, IA?
The median last spring frost in Belmond, IA is April 30. There is still about a 10% chance of frost after May 12, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Belmond, IA?
The median first fall frost is October 10, with about a 10% chance of frost before September 27.
How long is the growing season in Belmond, IA?
About 163 days between the median last spring frost and first fall frost.
What planting zone is Belmond, IA?
Belmond, IA is in USDA hardiness zone 5a.