Adams Run, SC frost dates
How Adams Run compares
- In 8 years out of 10, the last spring frost in Adams Run falls between February 1 and March 22, a 49-day window. The first fall frost falls between November 15 and January 4.
- The median last frost is 24 days earlier than the South Carolina median of Mar 25.
- Its 280-day growing season is longer than 96% of the 375 South Carolina places with a regular frost season (state median 228 days).
- The last frost is typical for zone 9a, where the median is Mar 3.
- The weather station records an average of 16 nights a year at or below 32°F.
- Compared with North Charleston, SC, 31 km away, the last frost here is 6 days earlier than there and the growing season is 15 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 1 |
| 50% (median) | March 1 |
| 10% (safe for tender plants) | March 22 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 15 |
| 50% (median) | December 6 |
| 90% (late) | January 4 |
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 Adams Run, SC
Adams Run, SC frost dates — last frost Mar 1, first frost Dec 6, zone 9a. whenisthelastfrost.com
When to plant vegetables in Adams Run, SC
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 7 – Dec 21 | Feb 1 – Feb 15 | — | — |
| Peppers | Dec 21 – Jan 4 | Mar 15 – Mar 29 | — | — |
| Eggplant | Dec 21 – Jan 4 | Mar 15 – Mar 29 | — | — |
| Tomatoes | Jan 4 – Jan 18 | Mar 8 – Mar 22 | — | — |
| Lettuce | Jan 4 – Jan 18 | Feb 8 – Feb 22 | Feb 1 – Mar 8 | Oct 11 – Nov 8 |
| Kale | Jan 4 – Jan 18 | Feb 1 – Feb 15 | Feb 1 – Feb 15 | Sep 27 – Oct 18 |
| Broccoli | Jan 4 – Jan 18 | Feb 15 – Mar 1 | — | Aug 30 – Sep 20 |
| Cabbage | Jan 4 – Jan 18 | Feb 8 – Feb 22 | — | Aug 30 – Sep 20 |
| Cauliflower | Jan 4 – Jan 18 | Feb 15 – Mar 1 | — | Aug 30 – Sep 20 |
| Okra | Jan 18 – Feb 1 | Mar 22 – Apr 5 | Mar 22 – Apr 5 | — |
| Basil | Jan 18 – Feb 1 | Mar 8 – Mar 22 | — | — |
| Peas | — | — | Jan 18 – Feb 8 | Sep 13 – Oct 4 |
| Spinach | — | — | Jan 18 – Feb 8 | Oct 11 – Nov 1 |
| Radishes | — | — | Jan 25 – Mar 8 | Oct 25 – Nov 15 |
| Cucumbers | Feb 1 – Feb 8 | Mar 15 – Mar 22 | Mar 8 – Mar 22 | Sep 20 – Oct 4 |
| Zucchini & Summer Squash | Feb 1 – Feb 8 | — | Mar 8 – Mar 22 | Sep 27 – Oct 11 |
| Winter Squash & Pumpkins | Feb 1 – Feb 8 | — | Mar 8 – Mar 22 | — |
| Melons & Watermelon | Feb 1 – Feb 8 | Mar 15 – Mar 29 | — | — |
| Carrots | — | — | Feb 8 – Mar 8 | Sep 13 – Sep 27 |
| Beets | — | — | Feb 8 – Mar 8 | Sep 27 – Oct 11 |
| Potatoes | — | — | Feb 8 – Mar 1 | — |
| Swiss Chard | — | — | Feb 15 – Mar 15 | Sep 27 – Oct 11 |
| Cilantro | — | — | Feb 15 – Mar 8 | Oct 11 – Nov 1 |
| Green Beans | — | — | Mar 8 – Mar 29 | Sep 20 – Oct 4 |
| Sweet Corn | — | — | Mar 8 – Mar 22 | — |
| Sweet Potatoes | — | Mar 15 – Apr 5 | — | — |
| Garlic | — | — | — | Nov 22 – Dec 27 |
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 Edisto Is Middleton Plantation, SC weather station, 19 km away (elevation 13 ft (4 m)).
Frost dates near Adams Run
- Hollywood Mar 1 · Dec 6
- Ravenel Mar 7 · Nov 27
- Jacksonboro Mar 1 · Dec 6
- Wadmalaw Island Mar 1 · Dec 6
- Johns Island Mar 7 · Nov 27
- Green Pond Mar 1 · Dec 6
- Cottageville Mar 19 · Nov 12
- Edisto Island Mar 1 · Dec 6
- Charleston Afb Mar 7 · Nov 27
- Summerville Mar 22 · Nov 12
Frequently asked questions
When is the last frost in Adams Run, SC?
The median last spring frost in Adams Run, SC is March 1. There is still about a 10% chance of frost after March 22, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Adams Run, SC?
The median first fall frost is December 6, with about a 10% chance of frost before November 15.
How long is the growing season in Adams Run, SC?
About 280 days between the median last spring frost and first fall frost.
What planting zone is Adams Run, SC?
Adams Run, SC is in USDA hardiness zone 9a.