Fall in zone 9bPhoto: George Chernilevsky, Public domain, via Wikimedia Commons
Frost dates for ZIP 70631 (Cameron, LA)
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, Hackberry 8 SSW, LA (10 miles away).
- Average last spring frostFeb 350% chance of a 32°F freeze after this date
- Average first fall frostDec 2450% chance of a 32°F freeze by this date
- Growing season (frost-free)323 daysmedian, 32°F threshold
- USDA hardiness zone9b25 to 30°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
72°F 55°F or warmer
24-hour average · latest 70°F, as of Oct 18, 2:00 AM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Beaumont (46 mi).
4-inch depth
74°F 55°F or warmer
24-hour average · latest 72°F, as of Oct 18, 2:00 AM CDT
Estimate Not a measurement at this ZIP: distance-weighted average of Beaumont (46 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 70631 load here. You can also open the NWS forecast for this ZIP.
Pre-emergent
Soil is 74°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: Gulf Coast and peninsular Florida. Timing only; always follow the product label.
- St. Augustinegrass (warm-season): Spring: About 2–3 weeks after full green-up (May in the Carolinas; earlier in Florida and south Texas) (about Mar 14 here, using green-up about 3–4 weeks after your average last frost); Summer: Light feedings June–August where local rules allow; Last: No later than about mid-September in the Carolinas, about 6–8 weeks before first frost elsewhere. Avoid: Feeding before green-up or late in fall (feeds weeds and favors large patch and cold injury).
Plant now
- Lettuce: fall sowing Oct 15–Nov 12
- Kale: fall transplant Oct 1–29
- Collards: fall transplant Oct 1–29
- Kohlrabi: fall sowing Oct 15–29
- Swiss chard: fall sowing Oct 15–29
- Beet: fall sowing Oct 15–29
- Turnip: fall sowing Oct 15–29
- Green onion / scallion: fall sowing Oct 15–29
- Strawberry (plants): fall transplant Oct 15–Nov 12
Coming up in the next 3 weeks
- Lettuce: fall transplant Oct 29–Nov 19
- Spinach: fall sowing Oct 29–Nov 19
- Bok choy / Asian greens: fall sowing Oct 29–Nov 12
- Arugula: fall sowing Oct 29–Nov 26
- Mustard greens: fall sowing Oct 29–Nov 12
- Cilantro: fall sowing Oct 29–Nov 12
- Dill: fall sowing Oct 29–Nov 12
Prune now
No frost-timed pruning windows are open this week.
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) | Jan 6 |
| 50% (the "average" last frost) | Feb 3 |
| 10% (cautious: only 1 year in 10 freezes later) | Mar 9 |
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 26 |
| 50% (the "average" first frost) | Dec 24 |
| 90% (late: most years have frozen by now) | Jan 22 (next year) |
Light frost, freeze and hard freeze
| Threshold | Last spring (50%) | First fall (50%) |
|---|---|---|
| 36°F (light frost possible on clear, calm nights) | Feb 23 | Dec 5 |
| 32°F (freeze) | Feb 3 | Dec 24 |
| 28°F (hard freeze) | Jan 22 | Jan 3 (next year) |
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 70631
Dates count from your average last spring frost (Feb 3) and first fall frost (Dec 24). 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 | Dec 9–23 | Feb 10–24 (transplant) | Aug 27–Sep 24 (transplant) |
| Pepper (sweet and hot) | Nov 25–Dec 9 | Feb 17–Mar 3 (transplant) | Sep 3–24 (transplant) |
| Eggplant | Nov 25–Dec 9 | Feb 17–Mar 3 (transplant) | Sep 3–24 (transplant) |
| Tomatillo | Dec 9–23 | Feb 10–24 (transplant) | – |
| Lettuce | Dec 9–23 | Jan 13–Feb 3 (transplant) Jan 6–Feb 17 (sow outdoors) | Oct 29–Nov 19 (transplant) Oct 15–Nov 12 (sowing) |
| Spinach | – | Dec 23–Jan 13 (sow outdoors) | Oct 29–Nov 19 (sowing) |
| Kale | Dec 9–23 | Jan 6–20 (transplant) Jan 6–20 (sow outdoors) | Oct 1–29 (transplant) Sep 17–Oct 15 (sowing) |
| Collards | Dec 9–23 | Jan 6–Feb 3 (transplant) Jan 6–Feb 3 (sow outdoors) | Oct 1–29 (transplant) Sep 17–Oct 15 (sowing) |
| Broccoli | Nov 25–Dec 9 | Jan 6–20 (transplant) | Sep 17–Oct 15 (transplant) |
| Cabbage | Nov 25–Dec 9 | Jan 6–20 (transplant) | Sep 17–Oct 15 (transplant) |
| Cauliflower | Nov 25–Dec 9 | Jan 20–Feb 3 (transplant) | Sep 17–Oct 15 (transplant) |
| Brussels sprouts | Nov 11–25 | Jan 6–20 (transplant) | Sep 3–24 (transplant) |
| Kohlrabi | Dec 9–23 | Jan 6–20 (transplant) Jan 6–20 (sow outdoors) | Oct 15–29 (sowing) |
| Bok choy / Asian greens | – | Jan 6–20 (sow outdoors) | Oct 29–Nov 12 (sowing) |
| Arugula | – | Jan 6–Feb 3 (sow outdoors) | Oct 29–Nov 26 (sowing) |
| Mustard greens | – | Jan 6–27 (sow outdoors) | Oct 29–Nov 12 (sowing) |
| Swiss chard | Dec 23–Jan 6 | Jan 20–Feb 10 (transplant) Jan 20–Feb 17 (sow outdoors) | Oct 15–29 (sowing) |
| Beet | – | Jan 6–Feb 3 (sow outdoors) | Oct 15–29 (sowing) |
| Carrot | – | Jan 13–Feb 10 (sow outdoors) | Oct 1–15 (sowing) |
| Radish | – | Dec 30–Feb 10 (sow outdoors) | Nov 12–26 (sowing) |
| Turnip | – | Jan 6–27 (sow outdoors) | Oct 15–29 (sowing) |
| Parsnip | – | Jan 13–Feb 3 (sow outdoors) | – |
| Pea (garden, snap, snow) | – | Dec 9–Jan 6 (sow outdoors) | Oct 1–15 (sowing) |
| Onion (bulbing) | Nov 11–25 | Dec 23–Jan 6 (transplant) | – |
| Green onion / scallion | – | Dec 23–Jan 20 (sow outdoors) | Oct 15–29 (sowing) |
| Leek | Nov 11–25 | Jan 6–20 (transplant) | – |
| Garlic | – | – | Nov 12–Dec 10 (sowing) |
| Shallot | – | Dec 23–Jan 6 (transplant) | Nov 12–Dec 10 (sowing) |
| Potato | – | Jan 6–20 (transplant) | Sep 3–17 (transplant) |
| Sweet potato | – | Feb 24–Mar 10 (transplant) | – |
| Sweet corn | – | Feb 10–24 (sow outdoors) | – |
| Bean, bush (snap) | – | Feb 10–24 (sow outdoors) | Oct 1–15 (sowing) |
| Bean, pole | – | Feb 10–24 (sow outdoors) | – |
| Lima bean | – | Feb 17–Mar 3 (sow outdoors) | – |
| Southern pea (cowpea, black-eyed pea) | – | Feb 24–Mar 17 (sow outdoors) | – |
| Cucumber | Jan 6–13 | Feb 10–24 (transplant) Feb 10–24 (sow outdoors) | Oct 1–15 (sowing) |
| Summer squash / zucchini | Jan 6–13 | Feb 10–24 (transplant) Feb 10–24 (sow outdoors) | Oct 1–15 (sowing) |
| Winter squash | Jan 6–13 | Feb 10–24 (transplant) Feb 10–24 (sow outdoors) | – |
| Pumpkin | – | Feb 10–24 (sow outdoors) | – |
| Watermelon | Jan 6–13 | Feb 17–Mar 3 (transplant) Feb 17–Mar 3 (sow outdoors) | – |
| Cantaloupe / muskmelon | Jan 6–13 | Feb 17–Mar 3 (transplant) Feb 17–Mar 3 (sow outdoors) | – |
| Okra | Dec 23–Jan 6 | Feb 17–Mar 3 (transplant) Feb 17–Mar 3 (sow outdoors) | – |
| Celery | Nov 11–25 | Feb 10–17 (transplant) | – |
| Basil | Dec 23–Jan 6 | Feb 10–24 (transplant) Feb 10–24 (sow outdoors) | – |
| Cilantro | – | Jan 20–Feb 17 (sow outdoors) | Oct 29–Nov 12 (sowing) |
| Parsley | Nov 25–Dec 9 | Jan 20–Feb 3 (transplant) Jan 13–Feb 3 (sow outdoors) | – |
| Dill | – | Feb 3–17 (sow outdoors) | Oct 29–Nov 12 (sowing) |
| Sunflower | – | Feb 3–17 (sow outdoors) | – |
| Asparagus (crowns) | – | Jan 6–20 (transplant) | – |
| Rhubarb (crowns) | – | Jan 6–20 (transplant) | – |
| Strawberry (plants) | – | Jan 6–20 (transplant) | Oct 15–Nov 12 (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
Louisiana has a university or garden plant program: Louisiana Super Plants. Plant frost-tender annuals after February 3 here (the average last frost). Not affiliated with the program.
Where these numbers come from
Station: Hackberry 8 SSW, LA (NOAA GHCN-Daily ID USC00163979), elevation 6 ft, 10.3 miles from the ZIP's center point. NOAA completeness flag: R (representative, 10+ years).
Nearby stations
| Station | Distance | Last frost (50%) | First frost (50%) |
|---|---|---|---|
| Orange 9 N, TX | 28 mi | Feb 28 | Nov 23 |
| Port Arthur SE Tx AP, TX | 28 mi | Feb 14 | Dec 7 |
| Lake Charles, LA | 28 mi | Feb 14 | Dec 7 |
The average last-frost dates of these stations span 25 days, a rough guide to local variation. See data sources & methods.
Frost questions for 70631
When is the last frost in 70631?
The average (50% chance) last spring freeze of 32°F for ZIP 70631 is February 3. For a more cautious planting date, use March 9, when only 1 year in 10 still sees a later freeze.
When is the first frost in 70631?
The average first fall freeze is December 24. In 1 year in 10 it comes by November 26.
What hardiness zone is 70631?
ZIP 70631 is in USDA zone 9b (25 to 30°F average coldest winter night), per the 2023 USDA Plant Hardiness Zone Map ZIP listing.
What is the soil temperature in 70631 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
70645 Hackberry 77611 Bridge City 70665 Carlyss 77642 Port Arthur 77619 Groves 70668 Vinton 77640 Port Arthur 77630 Orange
Other ZIP codes in Cameron Parish
70630 70632 70643 70645 All Cameron Parish frost dates · Louisiana frost dates
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- Freeze alerts
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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.