Ladson, SC frost dates
How Ladson compares
- In 8 years out of 10, the last spring frost in Ladson falls between March 1 and April 7, a 37-day window. The first fall frost falls between October 29 and December 3.
- The median last frost is 3 days earlier than the South Carolina median of Mar 25.
- Its 235-day growing season is longer than 61% of the 375 South Carolina places with a regular frost season (state median 228 days).
- The last frost is 6 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 45 nights a year at or below 32°F.
- Compared with North Charleston, SC, 16 km away, the last frost here is 15 days later than there and the growing season is 30 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 1 |
| 50% (median) | March 22 |
| 10% (safe for tender plants) | April 7 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 29 |
| 50% (median) | November 12 |
| 90% (late) | December 3 |
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 Ladson, SC
Ladson, SC frost dates — last frost Mar 22, first frost Nov 12, zone 8b. whenisthelastfrost.com
When to plant vegetables in Ladson, SC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 28 – Jan 11 | Feb 22 – Mar 8 | — | — |
| Peppers | Jan 11 – Jan 25 | Apr 5 – Apr 19 | — | — |
| Eggplant | Jan 11 – Jan 25 | Apr 5 – Apr 19 | — | — |
| Tomatoes | Jan 25 – Feb 8 | Mar 29 – Apr 12 | — | — |
| Lettuce | Jan 25 – Feb 8 | Mar 1 – Mar 15 | Feb 22 – Mar 29 | Sep 17 – Oct 15 |
| Kale | Jan 25 – Feb 8 | Feb 22 – Mar 8 | Feb 22 – Mar 8 | Sep 3 – Sep 24 |
| Broccoli | Jan 25 – Feb 8 | Mar 8 – Mar 22 | — | Aug 6 – Aug 27 |
| Cabbage | Jan 25 – Feb 8 | Mar 1 – Mar 15 | — | Aug 6 – Aug 27 |
| Cauliflower | Jan 25 – Feb 8 | Mar 8 – Mar 22 | — | Aug 6 – Aug 27 |
| Okra | Feb 8 – Feb 22 | Apr 12 – Apr 26 | Apr 12 – Apr 26 | — |
| Basil | Feb 8 – Feb 22 | Mar 29 – Apr 12 | — | — |
| Peas | — | — | Feb 8 – Mar 1 | Aug 20 – Sep 10 |
| Spinach | — | — | Feb 8 – Mar 1 | Sep 17 – Oct 8 |
| Radishes | — | — | Feb 15 – Mar 29 | Oct 1 – Oct 22 |
| Cucumbers | Feb 22 – Mar 1 | Apr 5 – Apr 12 | Mar 29 – Apr 12 | Aug 27 – Sep 10 |
| Zucchini & Summer Squash | Feb 22 – Mar 1 | — | Mar 29 – Apr 12 | Sep 3 – Sep 17 |
| Winter Squash & Pumpkins | Feb 22 – Mar 1 | — | Mar 29 – Apr 12 | — |
| Melons & Watermelon | Feb 22 – Mar 1 | Apr 5 – Apr 19 | — | — |
| Carrots | — | — | Mar 1 – Mar 29 | Aug 20 – Sep 3 |
| Beets | — | — | Mar 1 – Mar 29 | Sep 3 – Sep 17 |
| Potatoes | — | — | Mar 1 – Mar 22 | — |
| Swiss Chard | — | — | Mar 8 – Apr 5 | Sep 3 – Sep 17 |
| Cilantro | — | — | Mar 8 – Mar 29 | Sep 17 – Oct 8 |
| Green Beans | — | — | Mar 29 – Apr 19 | Aug 27 – Sep 10 |
| Sweet Corn | — | — | Mar 29 – Apr 12 | — |
| Sweet Potatoes | — | Apr 5 – Apr 26 | — | — |
| Garlic | — | — | — | Oct 29 – Dec 3 |
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 Summerville 4w, SC weather station, 11 km away (elevation 66 ft (20 m)).
Frost dates near Ladson
- Summerville Mar 22 · Nov 12
- Charleston Afb Mar 7 · Nov 27
- Hanahan Mar 7 · Nov 27
- Goose Creek Mar 7 · Nov 27
- North Charleston Mar 7 · Nov 27
- Ridgeville Mar 22 · Nov 12
- Johns Island Mar 7 · Nov 27
- Ravenel Mar 7 · Nov 27
- Moncks Corner Mar 10 · Nov 26
- Charleston Feb 4 · Dec 30
Frequently asked questions
When is the last frost in Ladson, SC?
The median last spring frost in Ladson, SC is March 22. There is still about a 10% chance of frost after April 7, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Ladson, SC?
The median first fall frost is November 12, with about a 10% chance of frost before October 29.
How long is the growing season in Ladson, SC?
About 235 days between the median last spring frost and first fall frost.
What planting zone is Ladson, SC?
Ladson, SC is in USDA hardiness zone 8b.