Ravenel, SC frost dates
How Ravenel compares
- In 8 years out of 10, the last spring frost in Ravenel falls between February 12 and March 27, a 43-day window. The first fall frost falls between November 8 and December 21.
- The median last frost is 18 days earlier than the South Carolina median of Mar 25.
- Its 265-day growing season is longer than 89% of the 375 South Carolina places with a regular frost season (state median 228 days).
- The last frost is 4 days later than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 22 nights a year at or below 32°F.
- Ravenel shares its weather station with North Charleston, SC, 22 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 12 |
| 50% (median) | March 7 |
| 10% (safe for tender plants) | March 27 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 8 |
| 50% (median) | November 27 |
| 90% (late) | December 21 |
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 Ravenel, SC
Ravenel, SC frost dates — last frost Mar 7, first frost Nov 27, zone 9a. whenisthelastfrost.com
When to plant vegetables in Ravenel, SC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 13 – Dec 27 | Feb 7 – Feb 21 | — | — |
| Peppers | Dec 27 – Jan 10 | Mar 21 – Apr 4 | — | — |
| Eggplant | Dec 27 – Jan 10 | Mar 21 – Apr 4 | — | — |
| Tomatoes | Jan 10 – Jan 24 | Mar 14 – Mar 28 | — | — |
| Lettuce | Jan 10 – Jan 24 | Feb 14 – Feb 28 | Feb 7 – Mar 14 | Oct 2 – Oct 30 |
| Kale | Jan 10 – Jan 24 | Feb 7 – Feb 21 | Feb 7 – Feb 21 | Sep 18 – Oct 9 |
| Broccoli | Jan 10 – Jan 24 | Feb 21 – Mar 7 | — | Aug 21 – Sep 11 |
| Cabbage | Jan 10 – Jan 24 | Feb 14 – Feb 28 | — | Aug 21 – Sep 11 |
| Cauliflower | Jan 10 – Jan 24 | Feb 21 – Mar 7 | — | Aug 21 – Sep 11 |
| Okra | Jan 24 – Feb 7 | Mar 28 – Apr 11 | Mar 28 – Apr 11 | — |
| Basil | Jan 24 – Feb 7 | Mar 14 – Mar 28 | — | — |
| Peas | — | — | Jan 24 – Feb 14 | Sep 4 – Sep 25 |
| Spinach | — | — | Jan 24 – Feb 14 | Oct 2 – Oct 23 |
| Radishes | — | — | Jan 31 – Mar 14 | Oct 16 – Nov 6 |
| Cucumbers | Feb 7 – Feb 14 | Mar 21 – Mar 28 | Mar 14 – Mar 28 | Sep 11 – Sep 25 |
| Zucchini & Summer Squash | Feb 7 – Feb 14 | — | Mar 14 – Mar 28 | Sep 18 – Oct 2 |
| Winter Squash & Pumpkins | Feb 7 – Feb 14 | — | Mar 14 – Mar 28 | — |
| Melons & Watermelon | Feb 7 – Feb 14 | Mar 21 – Apr 4 | — | — |
| Carrots | — | — | Feb 14 – Mar 14 | Sep 4 – Sep 18 |
| Beets | — | — | Feb 14 – Mar 14 | Sep 18 – Oct 2 |
| Potatoes | — | — | Feb 14 – Mar 7 | — |
| Swiss Chard | — | — | Feb 21 – Mar 21 | Sep 18 – Oct 2 |
| Cilantro | — | — | Feb 21 – Mar 14 | Oct 2 – Oct 23 |
| Green Beans | — | — | Mar 14 – Apr 4 | Sep 11 – Sep 25 |
| Sweet Corn | — | — | Mar 14 – Mar 28 | — |
| Sweet Potatoes | — | Mar 21 – Apr 11 | — | — |
| Garlic | — | — | — | Nov 13 – Dec 18 |
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 Charleston Intl Ap, SC weather station, 21 km away (elevation 39 ft (12 m)).
Frost dates near Ravenel
- Hollywood Mar 1 · Dec 6
- Adams Run Mar 1 · Dec 6
- Johns Island Mar 7 · Nov 27
- Wadmalaw Island Mar 1 · Dec 6
- Charleston Afb Mar 7 · Nov 27
- North Charleston Mar 7 · Nov 27
- Jacksonboro Mar 1 · Dec 6
- Hanahan Mar 7 · Nov 27
- Summerville Mar 22 · Nov 12
- Ladson Mar 22 · Nov 12
Frequently asked questions
When is the last frost in Ravenel, SC?
The median last spring frost in Ravenel, SC is March 7. There is still about a 10% chance of frost after March 27, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Ravenel, SC?
The median first fall frost is November 27, with about a 10% chance of frost before November 8.
How long is the growing season in Ravenel, SC?
About 265 days between the median last spring frost and first fall frost.
What planting zone is Ravenel, SC?
Ravenel, SC is in USDA hardiness zone 9a.