Fall in zone 8aPhoto: George Chernilevsky, Public domain, via Wikimedia Commons
Frost dates for ZIP 30621 (North High Shoals, GA)
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, Watkinsville 5 SSE, GA (5 miles away).
- Average last spring frostMar 2450% chance of a 32°F freeze after this date
- Average first fall frostNov 1250% chance of a 32°F freeze by this date
- Growing season (frost-free)234 daysmedian, 32°F threshold
- USDA hardiness zone8a10 to 15°F avg. coldest night
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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
71°F 55°F or warmer
24-hour average · latest 66°F, as of Oct 18, 1:00 AM CDT
Measured at NOAA USCRN station Watkinsville 5 SSE, 5 mi away. Daily averages: Thu 76°, Fri 75°, Sat 72°.
4-inch depth
72°F 55°F or warmer
24-hour average · latest 68°F, as of Oct 18, 1:00 AM CDT
Measured at NOAA USCRN station Watkinsville 5 SSE, 5 mi away. Daily averages: Thu 75°, Fri 75°, Sat 72°.
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 30621 load here. You can also open the NWS forecast for this ZIP.
Pre-emergent
Soil is 72°F at 4 inches. 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 9 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
Prune now
No frost-timed pruning windows are open this week.
Your average first frost is Nov 12: 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 1 |
| 50% (the "average" last frost) | Mar 24 |
| 10% (cautious: only 1 year in 10 freezes later) | Apr 12 |
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) | Oct 31 |
| 50% (the "average" first frost) | Nov 12 |
| 90% (late: most years have frozen by now) | Dec 2 |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | Apr 7 | Nov 1 |
| 32°F (freeze) | Mar 24 | Nov 12 |
| 28°F (hard freeze) | Mar 5 | Nov 28 |
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 30621
Dates count from your average last spring frost (Mar 24) and first fall frost (Nov 12). 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 27–Feb 10 | Mar 31–Apr 14 (transplant) | Jul 16–Aug 13 (transplant) |
| Pepper (sweet and hot) | Jan 13–27 | Apr 7–21 (transplant) | Jul 23–Aug 13 (transplant) |
| Eggplant | Jan 13–27 | Apr 7–21 (transplant) | Jul 23–Aug 13 (transplant) |
| Tomatillo | Jan 27–Feb 10 | Mar 31–Apr 14 (transplant) | – |
| Lettuce | Jan 27–Feb 10 | Mar 3–24 (transplant) Feb 24–Apr 7 (sow outdoors) | Sep 17–Oct 8 (transplant) Sep 3–Oct 1 (sowing) |
| Spinach | – | Feb 10–Mar 3 (sow outdoors) | Sep 17–Oct 8 (sowing) |
| Kale | Jan 27–Feb 10 | Feb 24–Mar 10 (transplant) Feb 24–Mar 10 (sow outdoors) | Aug 20–Sep 17 (transplant) Aug 6–Sep 3 (sowing) |
| Collards | Jan 27–Feb 10 | Feb 24–Mar 24 (transplant) Feb 24–Mar 24 (sow outdoors) | Aug 20–Sep 17 (transplant) Aug 6–Sep 3 (sowing) |
| Broccoli | Jan 13–27 | Feb 24–Mar 10 (transplant) | Aug 6–Sep 3 (transplant) |
| Cabbage | Jan 13–27 | Feb 24–Mar 10 (transplant) | Aug 6–Sep 3 (transplant) |
| Cauliflower | Jan 13–27 | Mar 10–24 (transplant) | Aug 6–Sep 3 (transplant) |
| Brussels sprouts | Dec 30–Jan 13 | Feb 24–Mar 10 (transplant) | Jul 23–Aug 13 (transplant) |
| Kohlrabi | Jan 27–Feb 10 | Feb 24–Mar 10 (transplant) Feb 24–Mar 10 (sow outdoors) | Sep 3–17 (sowing) |
| Bok choy / Asian greens | – | Feb 24–Mar 10 (sow outdoors) | Sep 17–Oct 1 (sowing) |
| Arugula | – | Feb 24–Mar 24 (sow outdoors) | Sep 17–Oct 15 (sowing) |
| Mustard greens | – | Feb 24–Mar 17 (sow outdoors) | Sep 17–Oct 1 (sowing) |
| Swiss chard | Feb 10–24 | Mar 10–31 (transplant) Mar 10–Apr 7 (sow outdoors) | Sep 3–17 (sowing) |
| Beet | – | Feb 24–Mar 24 (sow outdoors) | Sep 3–17 (sowing) |
| Carrot | – | Mar 3–31 (sow outdoors) | Aug 20–Sep 3 (sowing) |
| Radish | – | Feb 17–Mar 31 (sow outdoors) | Oct 1–15 (sowing) |
| Turnip | – | Feb 24–Mar 17 (sow outdoors) | Sep 3–17 (sowing) |
| Parsnip | – | Mar 3–24 (sow outdoors) | – |
| Pea (garden, snap, snow) | – | Jan 27–Feb 24 (sow outdoors) | Aug 20–Sep 3 (sowing) |
| Onion (bulbing) | Dec 30–Jan 13 | Feb 10–24 (transplant) | – |
| Green onion / scallion | – | Feb 10–Mar 10 (sow outdoors) | Sep 3–17 (sowing) |
| Leek | Dec 30–Jan 13 | Feb 24–Mar 10 (transplant) | – |
| Garlic | – | – | Oct 1–29 (sowing) |
| Shallot | – | Feb 10–24 (transplant) | Oct 1–29 (sowing) |
| Potato | – | Feb 24–Mar 10 (transplant) | Jul 23–Aug 6 (transplant) |
| Sweet potato | – | Apr 14–28 (transplant) | – |
| Sweet corn | – | Mar 31–Apr 14 (sow outdoors) | – |
| Bean, bush (snap) | – | Mar 31–Apr 14 (sow outdoors) | Aug 20–Sep 3 (sowing) |
| Bean, pole | – | Mar 31–Apr 14 (sow outdoors) | – |
| Lima bean | – | Apr 7–21 (sow outdoors) | – |
| Southern pea (cowpea, black-eyed pea) | – | Apr 14–May 5 (sow outdoors) | – |
| Cucumber | Feb 24–Mar 3 | Mar 31–Apr 14 (transplant) Mar 31–Apr 14 (sow outdoors) | Aug 20–Sep 3 (sowing) |
| Summer squash / zucchini | Feb 24–Mar 3 | Mar 31–Apr 14 (transplant) Mar 31–Apr 14 (sow outdoors) | Aug 20–Sep 3 (sowing) |
| Winter squash | Feb 24–Mar 3 | Mar 31–Apr 14 (transplant) Mar 31–Apr 14 (sow outdoors) | – |
| Pumpkin | – | Mar 31–Apr 14 (sow outdoors) | – |
| Watermelon | Feb 24–Mar 3 | Apr 7–21 (transplant) Apr 7–21 (sow outdoors) | – |
| Cantaloupe / muskmelon | Feb 24–Mar 3 | Apr 7–21 (transplant) Apr 7–21 (sow outdoors) | – |
| Okra | Feb 10–24 | Apr 7–21 (transplant) Apr 7–21 (sow outdoors) | – |
| Celery | Dec 30–Jan 13 | Mar 31–Apr 7 (transplant) | – |
| Basil | Feb 10–24 | Mar 31–Apr 14 (transplant) Mar 31–Apr 14 (sow outdoors) | – |
| Cilantro | – | Mar 10–Apr 7 (sow outdoors) | Sep 17–Oct 1 (sowing) |
| Parsley | Jan 13–27 | Mar 10–24 (transplant) Mar 3–24 (sow outdoors) | – |
| Dill | – | Mar 24–Apr 7 (sow outdoors) | Sep 17–Oct 1 (sowing) |
| Sunflower | – | Mar 24–Apr 7 (sow outdoors) | – |
| Asparagus (crowns) | – | Feb 24–Mar 10 (transplant) | – |
| Rhubarb (crowns) | – | Feb 24–Mar 10 (transplant) | – |
| Strawberry (plants) | – | Feb 24–Mar 10 (transplant) | Sep 3–Oct 1 (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.
Plants that do well here
Georgia has a university or garden plant program: Georgia Gold Medal Plants (ended 2017). Plant frost-tender annuals after March 24 here (the average last frost). Not affiliated with the program.
Where these numbers come from
Station: Watkinsville 5 SSE, GA (NOAA GHCN-Daily ID USW00063850), elevation 741 ft, 4.8 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| U Of Ga Plt Sci, GA | 6 mi | Mar 27 | Nov 8 |
| Athens Ben Epps AP, GA | 13 mi | Mar 23 | Nov 10 |
| Winterville, GA | 16 mi | Apr 2 | Nov 2 |
The average last-frost dates of these stations span 10 days, a rough guide to local variation. See data sources & methods.
Frost questions for 30621
When is the last frost in 30621?
The average (50% chance) last spring freeze of 32°F for ZIP 30621 is March 24. For a more cautious planting date, use April 12, when only 1 year in 10 still sees a later freeze.
When is the first frost in 30621?
The average first fall freeze is November 12. In 1 year in 10 it comes by October 31.
What hardiness zone is 30621?
ZIP 30621 is in USDA zone 8a (10 to 15°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.
What is the soil temperature in 30621 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
30623 Bostwick 30641 Good Hope 30677 Watkinsville 30622 Athens-Clarke County unified government (balance) 30606 Athens-Clarke County unified government (balance) 30609 Athens-Clarke County unified government (balance) 30605 Athens-Clarke County unified government (balance) 30602 Athens-Clarke County unified government (balance)
Other ZIP codes in Oconee County
30622 30677 All Oconee County frost dates · Georgia frost dates
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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.