Fall in zone 8bPhoto: George Chernilevsky, Public domain, via Wikimedia Commons
Frost dates for ZIP 29555 (Johnsonville, SC)
Average last spring and first fall frost dates with 10%, 50% and 90% odds, from NOAA's 1991–2020 climate normals for the nearest weather station, Hemingway 8 ESE, SC (12 miles away).
- Average last spring frostMar 2350% chance of a 32°F freeze after this date
- Average first fall frostNov 1550% chance of a 32°F freeze by this date
- Growing season (frost-free)240 daysmedian, 32°F threshold
- USDA hardiness zone8b15 to 20°F avg. coldest night
Get The Dial for 29555 (Johnsonville)
Frost and freeze alerts from the NWS forecast for 29555, the spring soil-temperature heads-up for pre-emergent, and a short weekly yard-timing email.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.
This week in your yard
As of Oct 18, 2026, from your frost dates, zone and soil temperature. Lawn timing · Vegetables · Pruning · Plants
Soil temperature now
2-inch depth
70°F 55°F or warmer
24-hour average · latest 64°F, as of Oct 18, 2:00 AM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Pee Dee (35 mi), McClellanville 7 NE (48 mi).
4-inch depth
72°F 55°F or warmer
24-hour average · latest 68°F, as of Oct 18, 2:00 AM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Pee Dee (35 mi).
Fall: Texas A&M AgriLife times fall pre-emergent (for winter weeds such as annual bluegrass) to soil cooling to about 70°F for several days. The 50–55°F band is the spring trigger. Always read and follow the product label.
7-day forecast and frost risk
The latest National Weather Service 7-day forecast and any Frost Advisory or Freeze Warning for 29555 load here. You can also open the NWS forecast for this ZIP.
Pre-emergent
Soil is 72°F at 4 inches (estimated soil temperature, not a station reading). Fall pre-emergent (annual bluegrass, winter weeds): window open as soil cools through the 70s and 60s.
Fertilizer window
Lawn region: Southeast (warm, humid). Timing only; always follow the product label.
- Centipedegrass (warm-season): Spring: Not before mid-May (NC State); after full green-up (about May 8 here, using green-up about 3–4 weeks after your average last frost); Summer: Optional mid-summer feeding, especially on sandy coastal soils. Avoid: Early-spring feeding, frequent feeding and liming unless a soil test calls for it (centipede decline).
Plant now
- Arugula: fall sowing Sep 20–Oct 18
- Radish: fall sowing Oct 4–18
- Garlic: fall sowing Oct 4–Nov 1
- Shallot: fall sowing Oct 4–Nov 1
Prune now
No frost-timed pruning windows are open this week.
Your average first frost is Nov 15: skip heavy pruning in the 6–8 weeks before it, because new growth may not harden off in time.
Spring-flowering shrubs are pruned right after their flowers fade, not by date. See the pruning guide.
Last spring frost odds
| Chance of a 32°F freeze after this date | Date |
|---|---|
| 90% (early: most years still freeze after this) | Mar 2 |
| 50% (the "average" last frost) | Mar 23 |
| 10% (cautious: only 1 year in 10 freezes later) | Apr 7 |
Most gardeners plant frost-tender crops (tomatoes, peppers, basil) after the 50% date, and closer to the 10% date for less risk.
First fall frost odds
| Chance the first 32°F freeze has happened by this date | Date |
|---|---|
| 10% (early: 1 year in 10 freezes this soon) | Nov 1 |
| 50% (the "average" first frost) | Nov 15 |
| 90% (late: most years have frozen by now) | Dec 5 |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | Apr 2 | Nov 4 |
| 32°F (freeze) | Mar 23 | Nov 15 |
| 28°F (hard freeze) | Mar 4 | Dec 1 |
n/a means NOAA did not publish a date at that threshold for this station (usually because it rarely gets that cold).
Vegetable planting calendar for 29555
Dates count from your average last spring frost (Mar 23) and first fall frost (Nov 15). Half of years have a frost after the spring date, so give tender crops (tomatoes, peppers, squash) some slack.
| Crop | Start indoors | Spring planting | Fall planting |
|---|---|---|---|
| Tomato | Jan 26–Feb 9 | Mar 30–Apr 13 (transplant) | Jul 19–Aug 16 (transplant) |
| Pepper (sweet and hot) | Jan 12–26 | Apr 6–20 (transplant) | Jul 26–Aug 16 (transplant) |
| Eggplant | Jan 12–26 | Apr 6–20 (transplant) | Jul 26–Aug 16 (transplant) |
| Tomatillo | Jan 26–Feb 9 | Mar 30–Apr 13 (transplant) | – |
| Lettuce | Jan 26–Feb 9 | Mar 2–23 (transplant) Feb 23–Apr 6 (sow outdoors) | Sep 20–Oct 11 (transplant) Sep 6–Oct 4 (sowing) |
| Spinach | – | Feb 9–Mar 2 (sow outdoors) | Sep 20–Oct 11 (sowing) |
| Kale | Jan 26–Feb 9 | Feb 23–Mar 9 (transplant) Feb 23–Mar 9 (sow outdoors) | Aug 23–Sep 20 (transplant) Aug 9–Sep 6 (sowing) |
| Collards | Jan 26–Feb 9 | Feb 23–Mar 23 (transplant) Feb 23–Mar 23 (sow outdoors) | Aug 23–Sep 20 (transplant) Aug 9–Sep 6 (sowing) |
| Broccoli | Jan 12–26 | Feb 23–Mar 9 (transplant) | Aug 9–Sep 6 (transplant) |
| Cabbage | Jan 12–26 | Feb 23–Mar 9 (transplant) | Aug 9–Sep 6 (transplant) |
| Cauliflower | Jan 12–26 | Mar 9–23 (transplant) | Aug 9–Sep 6 (transplant) |
| Brussels sprouts | Dec 29–Jan 12 | Feb 23–Mar 9 (transplant) | Jul 26–Aug 16 (transplant) |
| Kohlrabi | Jan 26–Feb 9 | Feb 23–Mar 9 (transplant) Feb 23–Mar 9 (sow outdoors) | Sep 6–20 (sowing) |
| Bok choy / Asian greens | – | Feb 23–Mar 9 (sow outdoors) | Sep 20–Oct 4 (sowing) |
| Arugula | – | Feb 23–Mar 23 (sow outdoors) | Sep 20–Oct 18 (sowing) |
| Mustard greens | – | Feb 23–Mar 16 (sow outdoors) | Sep 20–Oct 4 (sowing) |
| Swiss chard | Feb 9–23 | Mar 9–30 (transplant) Mar 9–Apr 6 (sow outdoors) | Sep 6–20 (sowing) |
| Beet | – | Feb 23–Mar 23 (sow outdoors) | Sep 6–20 (sowing) |
| Carrot | – | Mar 2–30 (sow outdoors) | Aug 23–Sep 6 (sowing) |
| Radish | – | Feb 16–Mar 30 (sow outdoors) | Oct 4–18 (sowing) |
| Turnip | – | Feb 23–Mar 16 (sow outdoors) | Sep 6–20 (sowing) |
| Parsnip | – | Mar 2–23 (sow outdoors) | – |
| Pea (garden, snap, snow) | – | Jan 26–Feb 23 (sow outdoors) | Aug 23–Sep 6 (sowing) |
| Onion (bulbing) | Dec 29–Jan 12 | Feb 9–23 (transplant) | – |
| Green onion / scallion | – | Feb 9–Mar 9 (sow outdoors) | Sep 6–20 (sowing) |
| Leek | Dec 29–Jan 12 | Feb 23–Mar 9 (transplant) | – |
| Garlic | – | – | Oct 4–Nov 1 (sowing) |
| Shallot | – | Feb 9–23 (transplant) | Oct 4–Nov 1 (sowing) |
| Potato | – | Feb 23–Mar 9 (transplant) | Jul 26–Aug 9 (transplant) |
| Sweet potato | – | Apr 13–27 (transplant) | – |
| Sweet corn | – | Mar 30–Apr 13 (sow outdoors) | – |
| Bean, bush (snap) | – | Mar 30–Apr 13 (sow outdoors) | Aug 23–Sep 6 (sowing) |
| Bean, pole | – | Mar 30–Apr 13 (sow outdoors) | – |
| Lima bean | – | Apr 6–20 (sow outdoors) | – |
| Southern pea (cowpea, black-eyed pea) | – | Apr 13–May 4 (sow outdoors) | – |
| Cucumber | Feb 23–Mar 2 | Mar 30–Apr 13 (transplant) Mar 30–Apr 13 (sow outdoors) | Aug 23–Sep 6 (sowing) |
| Summer squash / zucchini | Feb 23–Mar 2 | Mar 30–Apr 13 (transplant) Mar 30–Apr 13 (sow outdoors) | Aug 23–Sep 6 (sowing) |
| Winter squash | Feb 23–Mar 2 | Mar 30–Apr 13 (transplant) Mar 30–Apr 13 (sow outdoors) | – |
| Pumpkin | – | Mar 30–Apr 13 (sow outdoors) | – |
| Watermelon | Feb 23–Mar 2 | Apr 6–20 (transplant) Apr 6–20 (sow outdoors) | – |
| Cantaloupe / muskmelon | Feb 23–Mar 2 | Apr 6–20 (transplant) Apr 6–20 (sow outdoors) | – |
| Okra | Feb 9–23 | Apr 6–20 (transplant) Apr 6–20 (sow outdoors) | – |
| Celery | Dec 29–Jan 12 | Mar 30–Apr 6 (transplant) | – |
| Basil | Feb 9–23 | Mar 30–Apr 13 (transplant) Mar 30–Apr 13 (sow outdoors) | – |
| Cilantro | – | Mar 9–Apr 6 (sow outdoors) | Sep 20–Oct 4 (sowing) |
| Parsley | Jan 12–26 | Mar 9–23 (transplant) Mar 2–23 (sow outdoors) | – |
| Dill | – | Mar 23–Apr 6 (sow outdoors) | Sep 20–Oct 4 (sowing) |
| Sunflower | – | Mar 23–Apr 6 (sow outdoors) | – |
| Asparagus (crowns) | – | Feb 23–Mar 9 (transplant) | – |
| Rhubarb (crowns) | – | Feb 23–Mar 9 (transplant) | – |
| Strawberry (plants) | – | Feb 23–Mar 9 (transplant) | Sep 6–Oct 4 (transplant) |
Typical ranges from university extension planting calendars, adjusted to your frost dates. Probabilities, not guarantees. Fall windows that would overlap spring planting are left out, as are fall crops of frost-tender plants where the frost-free season is under 210 days.
Where these numbers come from
Station: Hemingway 8 ESE, SC (NOAA GHCN-Daily ID USC00384111), elevation 40 ft, 12.1 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| Lake City 2 SE, SC | 16 mi | Mar 20 | Nov 13 |
| Marion, SC | 23 mi | Mar 22 | Nov 11 |
| Cades 4 W, SC | 23 mi | Mar 27 | Nov 9 |
The average last-frost dates of these stations span 7 days, a rough guide to local variation. See data sources & methods.
Frost questions for 29555
When is the last frost in 29555?
The average (50% chance) last spring freeze of 32°F for ZIP 29555 is March 23. For a more cautious planting date, use April 7, when only 1 year in 10 still sees a later freeze.
When is the first frost in 29555?
The average first fall freeze is November 15. In 1 year in 10 it comes by November 1.
What hardiness zone is 29555?
ZIP 29555 is in USDA zone 8b (15 to 20°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.
What is the soil temperature in 29555 right now?
This page shows the latest 2-inch and 4-inch soil temperature from the nearest public soil station (USDA SCAN, NOAA USCRN or TexMesonet), or a labeled estimate when no station is close, against the 50–55°F spring pre-emergent band.
Nearby ZIP codes
29546 Daviston 29554 Stuckey 29583 Pamplico 29519 Centenary 29580 29560 Lake City 29544 29527 Bucksport
Other ZIP codes in Florence County
29114 29161 29501 29505 29506 29530 29541 29560 29583 29591 All Florence County frost dates · South Carolina frost dates
Never miss a frost: get The Dial
Weekly yard timing, plus frost and soil-temperature alerts for your ZIP code.
- Freeze alerts
- Soil-temp heads-up
- Weekly yard to-dos
Free. One weekly email plus alerts when your ZIP has a frost or a soil-temperature change worth acting on. After you submit, Kit (our email provider) sends a confirmation email: check your email and click the link to confirm. You aren't subscribed until you do. We collect only your email address and ZIP, sent to Kit to deliver The Dial. Unsubscribe anytime.