Roach, MO frost dates
Last spring frostMar 31median date
First fall frostNov 3median date
Growing season217 daysfrost-free
Hardiness zone6bZone 6b
How Roach compares
- In 8 years out of 10, the last spring frost in Roach falls between March 13 and April 18, a 36-day window. The first fall frost falls between October 21 and November 19.
- The median last frost is 12 days earlier than the Missouri median of Apr 12.
- Its 217-day growing season is longer than 94% of the 938 Missouri places with a regular frost season (state median 195 days).
- The last frost is 22 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 88 nights a year at or below 32°F.
- Compared with Springfield, MO, 104 km away, the last frost here is 4 days earlier than there and the growing season is 11 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 13 |
| 50% (median) | March 31 |
| 10% (safe for tender plants) | April 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 21 |
| 50% (median) | November 3 |
| 90% (late) | November 19 |
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 Roach, MO
Roach, MO frost dates — last frost Mar 31, first frost Nov 3, zone 6b. whenisthelastfrost.com
Crop
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Start indoors: Jan 6 to Jan 20Transplant outside: Mar 3 to Mar 17
Start indoors: Jan 20 to Feb 3Transplant outside: Apr 14 to Apr 28
Start indoors: Jan 20 to Feb 3Transplant outside: Apr 14 to Apr 28
Start indoors: Feb 3 to Feb 17Transplant outside: Apr 7 to Apr 21
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 10 to Mar 24Sow outdoors: Mar 3 to Apr 7Plant for fall: Sep 8 to Oct 6
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 3 to Mar 17Sow outdoors: Mar 3 to Mar 17Plant for fall: Aug 25 to Sep 15
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 17 to Mar 31Plant for fall: Jul 28 to Aug 18
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 10 to Mar 24Plant for fall: Jul 28 to Aug 18
Start indoors: Feb 3 to Feb 17Transplant outside: Mar 17 to Mar 31Plant for fall: Jul 28 to Aug 18
Start indoors: Feb 17 to Mar 3Transplant outside: Apr 21 to May 5Sow outdoors: Apr 21 to May 5
Start indoors: Feb 17 to Mar 3Transplant outside: Apr 7 to Apr 21
Sow outdoors: Feb 17 to Mar 10Plant for fall: Aug 11 to Sep 1
Sow outdoors: Feb 17 to Mar 10Plant for fall: Sep 8 to Sep 29
Sow outdoors: Feb 24 to Apr 7Plant for fall: Sep 22 to Oct 13
Start indoors: Mar 3 to Mar 10Transplant outside: Apr 14 to Apr 21Sow outdoors: Apr 7 to Apr 21Plant for fall: Aug 18 to Sep 1
Start indoors: Mar 3 to Mar 10Sow outdoors: Apr 7 to Apr 21Plant for fall: Aug 25 to Sep 8
Start indoors: Mar 3 to Mar 10Sow outdoors: Apr 7 to Apr 21
Start indoors: Mar 3 to Mar 10Transplant outside: Apr 14 to Apr 28
Sow outdoors: Mar 10 to Apr 7Plant for fall: Aug 11 to Aug 25
Sow outdoors: Mar 10 to Apr 7Plant for fall: Aug 25 to Sep 8
Sow outdoors: Mar 10 to Mar 31
Sow outdoors: Mar 17 to Apr 14Plant for fall: Aug 25 to Sep 8
Sow outdoors: Mar 17 to Apr 7Plant for fall: Sep 8 to Sep 29
Sow outdoors: Apr 7 to Apr 28Plant for fall: Aug 18 to Sep 1
Sow outdoors: Apr 7 to Apr 21
Transplant outside: Apr 14 to May 5
Plant for fall: Oct 20 to Nov 24
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Roach, MO
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 6 – Jan 20 | Mar 3 – Mar 17 | — | — |
| Peppers | Jan 20 – Feb 3 | Apr 14 – Apr 28 | — | — |
| Eggplant | Jan 20 – Feb 3 | Apr 14 – Apr 28 | — | — |
| Tomatoes | Feb 3 – Feb 17 | Apr 7 – Apr 21 | — | — |
| Lettuce | Feb 3 – Feb 17 | Mar 10 – Mar 24 | Mar 3 – Apr 7 | Sep 8 – Oct 6 |
| Kale | Feb 3 – Feb 17 | Mar 3 – Mar 17 | Mar 3 – Mar 17 | Aug 25 – Sep 15 |
| Broccoli | Feb 3 – Feb 17 | Mar 17 – Mar 31 | — | Jul 28 – Aug 18 |
| Cabbage | Feb 3 – Feb 17 | Mar 10 – Mar 24 | — | Jul 28 – Aug 18 |
| Cauliflower | Feb 3 – Feb 17 | Mar 17 – Mar 31 | — | Jul 28 – Aug 18 |
| Okra | Feb 17 – Mar 3 | Apr 21 – May 5 | Apr 21 – May 5 | — |
| Basil | Feb 17 – Mar 3 | Apr 7 – Apr 21 | — | — |
| Peas | — | — | Feb 17 – Mar 10 | Aug 11 – Sep 1 |
| Spinach | — | — | Feb 17 – Mar 10 | Sep 8 – Sep 29 |
| Radishes | — | — | Feb 24 – Apr 7 | Sep 22 – Oct 13 |
| Cucumbers | Mar 3 – Mar 10 | Apr 14 – Apr 21 | Apr 7 – Apr 21 | Aug 18 – Sep 1 |
| Zucchini & Summer Squash | Mar 3 – Mar 10 | — | Apr 7 – Apr 21 | Aug 25 – Sep 8 |
| Winter Squash & Pumpkins | Mar 3 – Mar 10 | — | Apr 7 – Apr 21 | — |
| Melons & Watermelon | Mar 3 – Mar 10 | Apr 14 – Apr 28 | — | — |
| Carrots | — | — | Mar 10 – Apr 7 | Aug 11 – Aug 25 |
| Beets | — | — | Mar 10 – Apr 7 | Aug 25 – Sep 8 |
| Potatoes | — | — | Mar 10 – Mar 31 | — |
| Swiss Chard | — | — | Mar 17 – Apr 14 | Aug 25 – Sep 8 |
| Cilantro | — | — | Mar 17 – Apr 7 | Sep 8 – Sep 29 |
| Green Beans | — | — | Apr 7 – Apr 28 | Aug 18 – Sep 1 |
| Sweet Corn | — | — | Apr 7 – Apr 21 | — |
| Sweet Potatoes | — | Apr 14 – May 5 | — | — |
| Garlic | — | — | — | Oct 20 – Nov 24 |
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 Lakeside, MO weather station, 28 km away (elevation 591 ft (180 m)).
Frost dates near Roach
- Climax Springs Mar 31 · Nov 3
- Sunrise Beach Mar 31 · Nov 3
- Laurie Mar 31 · Nov 3
- Camdenton Mar 31 · Nov 3
- Macks Creek Apr 7 · Oct 28
- Gravois Mills Mar 31 · Nov 3
- Linn Creek Mar 31 · Nov 3
- Osage Beach Mar 31 · Nov 3
- Edwards Apr 7 · Oct 30
- Lake Ozark Mar 31 · Nov 3
Frequently asked questions
When is the last frost in Roach, MO?
The median last spring frost in Roach, MO is March 31. There is still about a 10% chance of frost after April 18, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Roach, MO?
The median first fall frost is November 3, with about a 10% chance of frost before October 21.
How long is the growing season in Roach, MO?
About 217 days between the median last spring frost and first fall frost.
What planting zone is Roach, MO?
Roach, MO is in USDA hardiness zone 6b.