Camanche, IA frost dates
How Camanche compares
- In 8 years out of 10, the last spring frost in Camanche falls between April 9 and May 8, a 29-day window. The first fall frost falls between October 2 and October 28.
- The median last frost is 6 days earlier than the Iowa median of Apr 28.
- Its 177-day growing season is longer than 84% of the 934 Iowa places with a regular frost season (state median 165 days).
- The last frost is 9 days earlier than the zone 5b median of May 1. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5b chart.
- The weather station records an average of 129 nights a year at or below 32°F.
- Compared with Davenport, IA, 36 km away, the last frost here is 1 day earlier than there and the growing season is 2 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 9 |
| 50% (median) | April 22 |
| 10% (safe for tender plants) | May 8 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 2 |
| 50% (median) | October 16 |
| 90% (late) | October 28 |
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 Camanche, IA
Camanche, IA frost dates — last frost Apr 22, first frost Oct 16, zone 5b. whenisthelastfrost.com
When to plant vegetables in Camanche, IA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 28 – Feb 11 | Mar 25 – Apr 8 | — | — |
| Peppers | Feb 11 – Feb 25 | May 6 – May 20 | — | — |
| Eggplant | Feb 11 – Feb 25 | May 6 – May 20 | — | — |
| Tomatoes | Feb 25 – Mar 11 | Apr 29 – May 13 | — | — |
| Lettuce | Feb 25 – Mar 11 | Apr 1 – Apr 15 | Mar 25 – Apr 29 | Aug 21 – Sep 18 |
| Kale | Feb 25 – Mar 11 | Mar 25 – Apr 8 | Mar 25 – Apr 8 | Aug 7 – Aug 28 |
| Broccoli | Feb 25 – Mar 11 | Apr 8 – Apr 22 | — | Jul 10 – Jul 31 |
| Cabbage | Feb 25 – Mar 11 | Apr 1 – Apr 15 | — | Jul 10 – Jul 31 |
| Cauliflower | Feb 25 – Mar 11 | Apr 8 – Apr 22 | — | Jul 10 – Jul 31 |
| Okra | Mar 11 – Mar 25 | May 13 – May 27 | May 13 – May 27 | — |
| Basil | Mar 11 – Mar 25 | Apr 29 – May 13 | — | — |
| Peas | — | — | Mar 11 – Apr 1 | Jul 24 – Aug 14 |
| Spinach | — | — | Mar 11 – Apr 1 | Aug 21 – Sep 11 |
| Radishes | — | — | Mar 18 – Apr 29 | Sep 4 – Sep 25 |
| Cucumbers | Mar 25 – Apr 1 | May 6 – May 13 | Apr 29 – May 13 | Jul 31 – Aug 14 |
| Zucchini & Summer Squash | Mar 25 – Apr 1 | — | Apr 29 – May 13 | Aug 7 – Aug 21 |
| Winter Squash & Pumpkins | Mar 25 – Apr 1 | — | Apr 29 – May 13 | — |
| Melons & Watermelon | Mar 25 – Apr 1 | May 6 – May 20 | — | — |
| Carrots | — | — | Apr 1 – Apr 29 | Jul 24 – Aug 7 |
| Beets | — | — | Apr 1 – Apr 29 | Aug 7 – Aug 21 |
| Potatoes | — | — | Apr 1 – Apr 22 | — |
| Swiss Chard | — | — | Apr 8 – May 6 | Aug 7 – Aug 21 |
| Cilantro | — | — | Apr 8 – Apr 29 | Aug 21 – Sep 11 |
| Green Beans | — | — | Apr 29 – May 20 | Jul 31 – Aug 14 |
| Sweet Corn | — | — | Apr 29 – May 13 | — |
| Sweet Potatoes | — | May 6 – May 27 | — | — |
| Garlic | — | — | — | Oct 2 – Nov 6 |
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 Clinton #1, IA weather station, about 1 km away (elevation 584 ft (178 m)).
Frost dates near Camanche
- Low Moor Apr 22 · Oct 16
- Clinton Apr 13 · Oct 26
- Princeton Apr 16 · Oct 25
- Mc Causland Apr 22 · Oct 16
- Bryant Apr 13 · Oct 26
- Andover Apr 13 · Oct 26
- De Witt Apr 22 · Oct 16
- Le Claire Apr 16 · Oct 25
- Goose Lake Apr 13 · Oct 26
- Teeds Grove Apr 13 · Oct 26
Frequently asked questions
When is the last frost in Camanche, IA?
The median last spring frost in Camanche, IA is April 22. There is still about a 10% chance of frost after May 8, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Camanche, IA?
The median first fall frost is October 16, with about a 10% chance of frost before October 2.
How long is the growing season in Camanche, IA?
About 177 days between the median last spring frost and first fall frost.
What planting zone is Camanche, IA?
Camanche, IA is in USDA hardiness zone 5b.