Coatsville, MO frost dates
How Coatsville compares
- In 8 years out of 10, the last spring frost in Coatsville falls between April 1 and April 30, a 29-day window. The first fall frost falls between October 5 and November 2.
- The median last frost is 4 days later than the Missouri median of Apr 12.
- Its 189-day growing season is longer than 28% of the 938 Missouri places with a regular frost season (state median 195 days).
- The last frost is 15 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 128 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 1 |
| 50% (median) | April 16 |
| 10% (safe for tender plants) | April 30 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 5 |
| 50% (median) | October 22 |
| 90% (late) | November 2 |
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 Coatsville, MO
Coatsville, MO frost dates — last frost Apr 16, first frost Oct 22, zone 5b. whenisthelastfrost.com
When to plant vegetables in Coatsville, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 22 – Feb 5 | Mar 19 – Apr 2 | — | — |
| Peppers | Feb 5 – Feb 19 | Apr 30 – May 14 | — | — |
| Eggplant | Feb 5 – Feb 19 | Apr 30 – May 14 | — | — |
| Tomatoes | Feb 19 – Mar 5 | Apr 23 – May 7 | — | — |
| Lettuce | Feb 19 – Mar 5 | Mar 26 – Apr 9 | Mar 19 – Apr 23 | Aug 27 – Sep 24 |
| Kale | Feb 19 – Mar 5 | Mar 19 – Apr 2 | Mar 19 – Apr 2 | Aug 13 – Sep 3 |
| Broccoli | Feb 19 – Mar 5 | Apr 2 – Apr 16 | — | Jul 16 – Aug 6 |
| Cabbage | Feb 19 – Mar 5 | Mar 26 – Apr 9 | — | Jul 16 – Aug 6 |
| Cauliflower | Feb 19 – Mar 5 | Apr 2 – Apr 16 | — | Jul 16 – Aug 6 |
| Okra | Mar 5 – Mar 19 | May 7 – May 21 | May 7 – May 21 | — |
| Basil | Mar 5 – Mar 19 | Apr 23 – May 7 | — | — |
| Peas | — | — | Mar 5 – Mar 26 | Jul 30 – Aug 20 |
| Spinach | — | — | Mar 5 – Mar 26 | Aug 27 – Sep 17 |
| Radishes | — | — | Mar 12 – Apr 23 | Sep 10 – Oct 1 |
| Cucumbers | Mar 19 – Mar 26 | Apr 30 – May 7 | Apr 23 – May 7 | Aug 6 – Aug 20 |
| Zucchini & Summer Squash | Mar 19 – Mar 26 | — | Apr 23 – May 7 | Aug 13 – Aug 27 |
| Winter Squash & Pumpkins | Mar 19 – Mar 26 | — | Apr 23 – May 7 | — |
| Melons & Watermelon | Mar 19 – Mar 26 | Apr 30 – May 14 | — | — |
| Carrots | — | — | Mar 26 – Apr 23 | Jul 30 – Aug 13 |
| Beets | — | — | Mar 26 – Apr 23 | Aug 13 – Aug 27 |
| Potatoes | — | — | Mar 26 – Apr 16 | — |
| Swiss Chard | — | — | Apr 2 – Apr 30 | Aug 13 – Aug 27 |
| Cilantro | — | — | Apr 2 – Apr 23 | Aug 27 – Sep 17 |
| Green Beans | — | — | Apr 23 – May 14 | Aug 6 – Aug 20 |
| Sweet Corn | — | — | Apr 23 – May 7 | — |
| Sweet Potatoes | — | Apr 30 – May 21 | — | — |
| Garlic | — | — | — | Oct 8 – Nov 12 |
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 Bloomfield, IA weather station, 27 km away (elevation 860 ft (262 m)).
Frost dates near Coatsville
- Glenwood Apr 16 · Oct 22
- Livonia Apr 17 · Oct 22
- Lancaster Apr 16 · Oct 22
- Queen City Apr 21 · Oct 19
- Worthington Apr 26 · Oct 14
- Downing Apr 23 · Oct 17
- Greentop Apr 21 · Oct 19
- Unionville Apr 17 · Oct 22
- Novinger Apr 21 · Oct 19
- Green Castle Apr 26 · Oct 14
Frequently asked questions
When is the last frost in Coatsville, MO?
The median last spring frost in Coatsville, MO is April 16. There is still about a 10% chance of frost after April 30, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Coatsville, MO?
The median first fall frost is October 22, with about a 10% chance of frost before October 5.
How long is the growing season in Coatsville, MO?
About 189 days between the median last spring frost and first fall frost.
What planting zone is Coatsville, MO?
Coatsville, MO is in USDA hardiness zone 5b.