Vincent, IA frost dates
How Vincent compares
- In 8 years out of 10, the last spring frost in Vincent falls between April 13 and May 9, a 26-day window. The first fall frost falls between September 24 and October 22.
- The median last frost is the same as 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 5 days earlier 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 157 nights a year at or below 32°F.
- Compared with Ames, IA, 68 km away, the last frost here is 2 days later than there and the growing season is 2 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 13 |
| 50% (median) | April 28 |
| 10% (safe for tender plants) | May 9 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 24 |
| 50% (median) | October 8 |
| 90% (late) | October 22 |
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 Vincent, IA
Vincent, IA frost dates — last frost Apr 28, first frost Oct 8, zone 5a. whenisthelastfrost.com
When to plant vegetables in Vincent, IA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 3 – Feb 17 | Mar 31 – Apr 14 | — | — |
| Peppers | Feb 17 – Mar 3 | May 12 – May 26 | — | — |
| Eggplant | Feb 17 – Mar 3 | May 12 – May 26 | — | — |
| Tomatoes | Mar 3 – Mar 17 | May 5 – May 19 | — | — |
| Lettuce | Mar 3 – Mar 17 | Apr 7 – Apr 21 | Mar 31 – May 5 | Aug 13 – Sep 10 |
| Kale | Mar 3 – Mar 17 | Mar 31 – Apr 14 | Mar 31 – Apr 14 | Jul 30 – Aug 20 |
| Broccoli | Mar 3 – Mar 17 | Apr 14 – Apr 28 | — | Jul 2 – Jul 23 |
| Cabbage | Mar 3 – Mar 17 | Apr 7 – Apr 21 | — | Jul 2 – Jul 23 |
| Cauliflower | Mar 3 – Mar 17 | Apr 14 – Apr 28 | — | Jul 2 – Jul 23 |
| Okra | Mar 17 – Mar 31 | May 19 – Jun 2 | May 19 – Jun 2 | — |
| Basil | Mar 17 – Mar 31 | May 5 – May 19 | — | — |
| Peas | — | — | Mar 17 – Apr 7 | Jul 16 – Aug 6 |
| Spinach | — | — | Mar 17 – Apr 7 | Aug 13 – Sep 3 |
| Radishes | — | — | Mar 24 – May 5 | Aug 27 – Sep 17 |
| Cucumbers | Mar 31 – Apr 7 | May 12 – May 19 | May 5 – May 19 | Jul 23 – Aug 6 |
| Zucchini & Summer Squash | Mar 31 – Apr 7 | — | May 5 – May 19 | Jul 30 – Aug 13 |
| Winter Squash & Pumpkins | Mar 31 – Apr 7 | — | May 5 – May 19 | — |
| Melons & Watermelon | Mar 31 – Apr 7 | May 12 – May 26 | — | — |
| Carrots | — | — | Apr 7 – May 5 | Jul 16 – Jul 30 |
| Beets | — | — | Apr 7 – May 5 | Jul 30 – Aug 13 |
| Potatoes | — | — | Apr 7 – Apr 28 | — |
| Swiss Chard | — | — | Apr 14 – May 12 | Jul 30 – Aug 13 |
| Cilantro | — | — | Apr 14 – May 5 | Aug 13 – Sep 3 |
| Green Beans | — | — | May 5 – May 26 | Jul 23 – Aug 6 |
| Sweet Corn | — | — | May 5 – May 19 | — |
| Sweet Potatoes | — | May 12 – Jun 2 | — | — |
| 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 Ft Dodge 5nnw, IA weather station, 14 km away (elevation 1,115 ft (340 m)).
Frost dates near Vincent
- Badger Apr 28 · Oct 8
- Duncombe Apr 28 · Oct 8
- Fort Dodge Apr 28 · Oct 8
- Thor Apr 26 · Oct 12
- Eagle Grove Apr 30 · Oct 10
- Woolstock May 3 · Oct 2
- Otho Apr 28 · Oct 8
- Webster City May 3 · Oct 2
- Dakota City Apr 26 · Oct 12
- Clare Apr 28 · Oct 8
Frequently asked questions
When is the last frost in Vincent, IA?
The median last spring frost in Vincent, IA is April 28. There is still about a 10% chance of frost after May 9, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Vincent, IA?
The median first fall frost is October 8, with about a 10% chance of frost before September 24.
How long is the growing season in Vincent, IA?
About 163 days between the median last spring frost and first fall frost.
What planting zone is Vincent, IA?
Vincent, IA is in USDA hardiness zone 5a.