Gilliam, MO frost dates
How Gilliam compares
- In 8 years out of 10, the last spring frost in Gilliam falls between March 27 and April 27, a 31-day window. The first fall frost falls between October 12 and November 6.
- The median last frost is 2 days earlier than the Missouri median of Apr 12.
- Its 197-day growing season is longer than 54% of the 938 Missouri places with a regular frost season (state median 195 days).
- The last frost is 12 days earlier than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 116 nights a year at or below 32°F.
- Compared with Columbia, MO, 65 km away, the last frost here is 5 days later than there and the growing season is 12 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 27 |
| 50% (median) | April 10 |
| 10% (safe for tender plants) | April 27 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 12 |
| 50% (median) | October 24 |
| 90% (late) | November 6 |
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 Gilliam, MO
Gilliam, MO frost dates — last frost Apr 10, first frost Oct 24, zone 6b. whenisthelastfrost.com
When to plant vegetables in Gilliam, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 16 – Jan 30 | Mar 13 – Mar 27 | — | — |
| Peppers | Jan 30 – Feb 13 | Apr 24 – May 8 | — | — |
| Eggplant | Jan 30 – Feb 13 | Apr 24 – May 8 | — | — |
| Tomatoes | Feb 13 – Feb 27 | Apr 17 – May 1 | — | — |
| Lettuce | Feb 13 – Feb 27 | Mar 20 – Apr 3 | Mar 13 – Apr 17 | Aug 29 – Sep 26 |
| Kale | Feb 13 – Feb 27 | Mar 13 – Mar 27 | Mar 13 – Mar 27 | Aug 15 – Sep 5 |
| Broccoli | Feb 13 – Feb 27 | Mar 27 – Apr 10 | — | Jul 18 – Aug 8 |
| Cabbage | Feb 13 – Feb 27 | Mar 20 – Apr 3 | — | Jul 18 – Aug 8 |
| Cauliflower | Feb 13 – Feb 27 | Mar 27 – Apr 10 | — | Jul 18 – Aug 8 |
| Okra | Feb 27 – Mar 13 | May 1 – May 15 | May 1 – May 15 | — |
| Basil | Feb 27 – Mar 13 | Apr 17 – May 1 | — | — |
| Peas | — | — | Feb 27 – Mar 20 | Aug 1 – Aug 22 |
| Spinach | — | — | Feb 27 – Mar 20 | Aug 29 – Sep 19 |
| Radishes | — | — | Mar 6 – Apr 17 | Sep 12 – Oct 3 |
| Cucumbers | Mar 13 – Mar 20 | Apr 24 – May 1 | Apr 17 – May 1 | Aug 8 – Aug 22 |
| Zucchini & Summer Squash | Mar 13 – Mar 20 | — | Apr 17 – May 1 | Aug 15 – Aug 29 |
| Winter Squash & Pumpkins | Mar 13 – Mar 20 | — | Apr 17 – May 1 | — |
| Melons & Watermelon | Mar 13 – Mar 20 | Apr 24 – May 8 | — | — |
| Carrots | — | — | Mar 20 – Apr 17 | Aug 1 – Aug 15 |
| Beets | — | — | Mar 20 – Apr 17 | Aug 15 – Aug 29 |
| Potatoes | — | — | Mar 20 – Apr 10 | — |
| Swiss Chard | — | — | Mar 27 – Apr 24 | Aug 15 – Aug 29 |
| Cilantro | — | — | Mar 27 – Apr 17 | Aug 29 – Sep 19 |
| Green Beans | — | — | Apr 17 – May 8 | Aug 8 – Aug 22 |
| Sweet Corn | — | — | Apr 17 – May 1 | — |
| Sweet Potatoes | — | Apr 24 – May 15 | — | — |
| Garlic | — | — | — | Oct 10 – Nov 14 |
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 Marshall, MO weather station, 23 km away (elevation 791 ft (241 m)).
Frost dates near Gilliam
- Slater Apr 10 · Oct 24
- Glasgow Apr 12 · Oct 22
- Dalton Apr 10 · Oct 29
- Miami Apr 10 · Oct 24
- Arrow Rock Apr 13 · Oct 22
- Marshall Apr 10 · Oct 24
- Brunswick Apr 10 · Oct 29
- Franklin Apr 13 · Oct 22
- Armstrong Apr 12 · Oct 22
- De Witt Apr 10 · Oct 29
Frequently asked questions
When is the last frost in Gilliam, MO?
The median last spring frost in Gilliam, MO is April 10. There is still about a 10% chance of frost after April 27, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Gilliam, MO?
The median first fall frost is October 24, with about a 10% chance of frost before October 12.
How long is the growing season in Gilliam, MO?
About 197 days between the median last spring frost and first fall frost.
What planting zone is Gilliam, MO?
Gilliam, MO is in USDA hardiness zone 6b.