Alcolu, SC frost dates
Last spring frostMar 25median date
First fall frostNov 11median date
Growing season231 daysfrost-free
Hardiness zone8bZone 8b
How Alcolu compares
- In 8 years out of 10, the last spring frost in Alcolu falls between March 1 and April 11, a 41-day window. The first fall frost falls between October 30 and December 1.
- The median last frost is the same as the South Carolina median of Mar 25.
- Its 231-day growing season is longer than 53% of the 375 South Carolina places with a regular frost season (state median 228 days).
- The last frost is 9 days later than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 48 nights a year at or below 32°F.
- Compared with Columbia, SC, 81 km away, the last frost here is 9 days later than there and the growing season is 14 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 1 |
| 50% (median) | March 25 |
| 10% (safe for tender plants) | April 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 30 |
| 50% (median) | November 11 |
| 90% (late) | December 1 |
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 Alcolu, SC
Alcolu, SC frost dates — last frost Mar 25, first frost Nov 11, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 31 to Jan 14Start indoors: Dec 31 to Jan 14Transplant outside: Feb 25 to Mar 11
Start indoors: Jan 14 to Jan 28Transplant outside: Apr 8 to Apr 22
Start indoors: Jan 14 to Jan 28Transplant outside: Apr 8 to Apr 22
Start indoors: Jan 28 to Feb 11Transplant outside: Apr 1 to Apr 15
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 4 to Mar 18Sow outdoors: Feb 25 to Apr 1Plant for fall: Sep 16 to Oct 14
Start indoors: Jan 28 to Feb 11Transplant outside: Feb 25 to Mar 11Sow outdoors: Feb 25 to Mar 11Plant for fall: Sep 2 to Sep 23
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 11 to Mar 25Plant for fall: Aug 5 to Aug 26
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 4 to Mar 18Plant for fall: Aug 5 to Aug 26
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 11 to Mar 25Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 11 to Feb 25Transplant outside: Apr 15 to Apr 29Sow outdoors: Apr 15 to Apr 29
Start indoors: Feb 11 to Feb 25Transplant outside: Apr 1 to Apr 15
Sow outdoors: Feb 11 to Mar 4Plant for fall: Aug 19 to Sep 9
Sow outdoors: Feb 11 to Mar 4Plant for fall: Sep 16 to Oct 7
Sow outdoors: Feb 18 to Apr 1Plant for fall: Sep 30 to Oct 21
Start indoors: Feb 25 to Mar 4Transplant outside: Apr 8 to Apr 15Sow outdoors: Apr 1 to Apr 15Plant for fall: Aug 26 to Sep 9
Start indoors: Feb 25 to Mar 4Sow outdoors: Apr 1 to Apr 15Plant for fall: Sep 2 to Sep 16
Start indoors: Feb 25 to Mar 4Sow outdoors: Apr 1 to Apr 15
Start indoors: Feb 25 to Mar 4Transplant outside: Apr 8 to Apr 22
Sow outdoors: Mar 4 to Apr 1Plant for fall: Aug 19 to Sep 2
Sow outdoors: Mar 4 to Apr 1Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 4 to Mar 25
Sow outdoors: Mar 11 to Apr 8Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 11 to Apr 1Plant for fall: Sep 16 to Oct 7
Sow outdoors: Apr 1 to Apr 22Plant for fall: Aug 26 to Sep 9
Sow outdoors: Apr 1 to Apr 15
Transplant outside: Apr 8 to Apr 29
Plant for fall: Oct 28 to Dec 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Alcolu, SC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 31 – Jan 14 | Feb 25 – Mar 11 | — | — |
| Peppers | Jan 14 – Jan 28 | Apr 8 – Apr 22 | — | — |
| Eggplant | Jan 14 – Jan 28 | Apr 8 – Apr 22 | — | — |
| Tomatoes | Jan 28 – Feb 11 | Apr 1 – Apr 15 | — | — |
| Lettuce | Jan 28 – Feb 11 | Mar 4 – Mar 18 | Feb 25 – Apr 1 | Sep 16 – Oct 14 |
| Kale | Jan 28 – Feb 11 | Feb 25 – Mar 11 | Feb 25 – Mar 11 | Sep 2 – Sep 23 |
| Broccoli | Jan 28 – Feb 11 | Mar 11 – Mar 25 | — | Aug 5 – Aug 26 |
| Cabbage | Jan 28 – Feb 11 | Mar 4 – Mar 18 | — | Aug 5 – Aug 26 |
| Cauliflower | Jan 28 – Feb 11 | Mar 11 – Mar 25 | — | Aug 5 – Aug 26 |
| Okra | Feb 11 – Feb 25 | Apr 15 – Apr 29 | Apr 15 – Apr 29 | — |
| Basil | Feb 11 – Feb 25 | Apr 1 – Apr 15 | — | — |
| Peas | — | — | Feb 11 – Mar 4 | Aug 19 – Sep 9 |
| Spinach | — | — | Feb 11 – Mar 4 | Sep 16 – Oct 7 |
| Radishes | — | — | Feb 18 – Apr 1 | Sep 30 – Oct 21 |
| Cucumbers | Feb 25 – Mar 4 | Apr 8 – Apr 15 | Apr 1 – Apr 15 | Aug 26 – Sep 9 |
| Zucchini & Summer Squash | Feb 25 – Mar 4 | — | Apr 1 – Apr 15 | Sep 2 – Sep 16 |
| Winter Squash & Pumpkins | Feb 25 – Mar 4 | — | Apr 1 – Apr 15 | — |
| Melons & Watermelon | Feb 25 – Mar 4 | Apr 8 – Apr 22 | — | — |
| Carrots | — | — | Mar 4 – Apr 1 | Aug 19 – Sep 2 |
| Beets | — | — | Mar 4 – Apr 1 | Sep 2 – Sep 16 |
| Potatoes | — | — | Mar 4 – Mar 25 | — |
| Swiss Chard | — | — | Mar 11 – Apr 8 | Sep 2 – Sep 16 |
| Cilantro | — | — | Mar 11 – Apr 1 | Sep 16 – Oct 7 |
| Green Beans | — | — | Apr 1 – Apr 22 | Aug 26 – Sep 9 |
| Sweet Corn | — | — | Apr 1 – Apr 15 | — |
| Sweet Potatoes | — | Apr 8 – Apr 29 | — | — |
| Garlic | — | — | — | Oct 28 – Dec 2 |
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 Manning, SC weather station, 8 km away (elevation 85 ft (26 m)).
Frost dates near Alcolu
- Sardinia Mar 25 · Nov 11
- Gable Mar 25 · Nov 11
- New Zion Mar 27 · Nov 9
- Manning Mar 25 · Nov 11
- Davis Station Mar 25 · Nov 11
- Turbeville Mar 27 · Nov 9
- Mayesville Mar 24 · Nov 7
- Shaw Afb Mar 24 · Nov 7
- Sumter Mar 24 · Nov 7
- Summerton Mar 25 · Nov 11
Frequently asked questions
When is the last frost in Alcolu, SC?
The median last spring frost in Alcolu, SC is March 25. There is still about a 10% chance of frost after April 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Alcolu, SC?
The median first fall frost is November 11, with about a 10% chance of frost before October 30.
How long is the growing season in Alcolu, SC?
About 231 days between the median last spring frost and first fall frost.
What planting zone is Alcolu, SC?
Alcolu, SC is in USDA hardiness zone 8b.