Frost Dates for Destrehan, LA 70047
Last spring frost February 12 · First fall frost December 9 · 300 frost-free days · USDA Zone 9b
ZIP 70047 has about 13,200 people.
Very long season: 300 frost-free days. Spring frost risk spans January 14–March 13 (58 days). Fall frost risk spans November 21–January 1 (41 days).
Frost probability for 70047
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 13 | February 12 | January 14 |
| Fall (first frost) | November 21 | December 9 | January 1 |
Dates come from NOAA 1971–2000 freeze probabilities at NEW ORLEANS AP (9.1 km away); the 50% date is the median year.
Which crops fit a 300-day season in Destrehan
In Destrehan (300 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Jan 8 | Feb 26–Mar 5 | 258 | fits: 80 days to maturity, 258 available after Feb 26. | Aug 9 |
| Pepper | Jan 1 | Feb 26–Mar 5 | 258 | fits: 75 days to maturity, 258 available after Feb 26. | Aug 14 |
| Lettuce | Dec 18 | Jan 15–Jan 22 | 335 | two-plantings: Plant Jan 15 and again by Oct 18; both mature before Dec 16. | Oct 18 |
| Carrots | — | Jan 22–Jan 29 | 342 | fits: 70 days to maturity, 342 available after Jan 22. | Oct 7 |
| Cucumber | Jan 22 | Feb 26–Mar 5 | 272 | two-plantings: Plant Feb 26 and again by Sep 12; both mature before Nov 25. | Sep 12 |
| Beans | — | Feb 19–Mar 5 | 286 | two-plantings: Plant Feb 19 and again by Sep 19; both mature before Dec 2. | Sep 19 |
| Peas | — | Dec 18–Feb 26 | 363 | fits: 65 days to maturity, 363 available after Dec 18. | Sep 28 |
| Zucchini | Jan 29 | Feb 26–Mar 5 | 272 | two-plantings: Plant Feb 26 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Onion | Nov 20 | Jan 15–Jan 29 | 335 | fits: 100 days to maturity, 335 available after Jan 15. | — |
| Spinach | — | Dec 18–Feb 5 | 377 | two-plantings: Plant Dec 18 and again by Nov 6; both mature before Dec 30. | Nov 6 |
| Kale | Dec 4 | Jan 15–Jan 29 | 349 | two-plantings: Plant Jan 15 and again by Oct 22; both mature before Dec 30. | Oct 22 |
| Broccoli | Dec 18 | Jan 15–Jan 29 | 335 | fits: 80 days to maturity, 335 available after Jan 15. | Sep 13 |
| Cabbage | Dec 18 | Jan 15–Jan 29 | 349 | fits: 70 days to maturity, 349 available after Jan 15. | Oct 7 |
| Radish | — | Dec 18–Mar 12 | 363 | two-plantings: Plant Dec 18 and again by Nov 7; both mature before Dec 16. | Nov 7 |
| Beets | — | Dec 18–Mar 12 | 363 | two-plantings: Plant Dec 18 and again by Oct 8; both mature before Dec 16. | Oct 8 |
| Potatoes | — | Jan 29–Feb 5 | 321 | fits: 90 days to maturity, 321 available after Jan 29. | — |
| Garlic | — | Dec 9 | 405 | overwinter: Plant Dec 9 to Dec 30; harvest the following summer. | Dec 30 |
| Strawberry | — | Jan 8–Mar 5 | 356 | perennial: A perennial: plant Jan 8; it fruits from the following year and keeps producing for several years. | — |
| Corn | Jan 15 | Feb 19–Feb 26 | 272 | fits: 75 days to maturity, 272 available after Feb 19. | Aug 21 |
| Pumpkin | Jan 29 | Feb 26–Feb 26 | 265 | fits: 100 days to maturity, 265 available after Feb 26. | Jul 27 |
| Cauliflower | Jan 1 | Feb 5–Feb 19 | 314 | fits: 75 days to maturity, 314 available after Feb 5. | Sep 18 |
| Swiss Chard | Dec 18 | Jan 29–Jan 29 | 321 | two-plantings: Plant Jan 29 and again by Oct 8; both mature before Dec 16. | Oct 8 |
| Arugula | — | Dec 18–Mar 12 | 377 | two-plantings: Plant Dec 18 and again by Nov 6; both mature before Dec 30. | Nov 6 |
| Brussel Sprouts | Dec 18 | Jan 15–Jan 29 | 349 | fits: 100 days to maturity, 349 available after Jan 15. | Sep 7 |
| Butternut Squash | Jan 29 | Feb 26–Mar 5 | 265 | fits: 100 days to maturity, 265 available after Feb 26. | Jul 27 |
| Eggplant | Dec 25 | Feb 26–Mar 5 | 258 | fits: 70 days to maturity, 258 available after Feb 26. | Aug 19 |
| Okra | Jan 15 | Feb 19–Feb 26 | 279 | two-plantings: Plant Feb 19 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Basil | Jan 8 | Mar 5–Mar 5 | 265 | two-plantings: Plant Mar 5 and again by Sep 12; both mature before Nov 25. | Sep 12 |
| Cilantro | — | Jan 15–Feb 5 | 335 | two-plantings: Plant Jan 15 and again by Oct 13; both mature before Dec 16. | Oct 13 |
| Parsley | Dec 4 | Feb 19–Feb 26 | 300 | fits: 70 days to maturity, 300 available after Feb 19. | Sep 23 |
| Celery | Dec 4 | Feb 19–Mar 5 | 300 | fits: 120 days to maturity, 300 available after Feb 19. | Aug 4 |
| Scallions | Dec 4 | Jan 15–Jan 29 | 349 | two-plantings: Plant Jan 15 and again by Oct 17; both mature before Dec 30. | Oct 17 |
| Turnip | — | Jan 15–Jan 29 | 349 | two-plantings: Plant Jan 15 and again by Oct 27; both mature before Dec 30. | Oct 27 |
| Kohlrabi | — | Jan 1–Jan 15 | 363 | two-plantings: Plant Jan 1 and again by Oct 22; both mature before Dec 30. | Oct 22 |
| Bok Choy | Jan 15 | Feb 5–Feb 12 | 314 | two-plantings: Plant Feb 5 and again by Oct 18; both mature before Dec 16. | Oct 18 |
| Collards | Dec 4 | Jan 15–Jan 29 | 349 | two-plantings: Plant Jan 15 and again by Oct 17; both mature before Dec 30. | Oct 17 |
| Cantaloupe | Jan 29 | Feb 26–Mar 5 | 258 | fits: 85 days to maturity, 258 available after Feb 26. | Aug 4 |
| Chives | Nov 20 | Feb 19–Feb 26 | 314 | fits: 90 days to maturity, 314 available after Feb 19. | — |
| Dill | — | Dec 18–Mar 12 | 363 | two-plantings: Plant Dec 18 and again by Oct 8; both mature before Dec 16. | Oct 8 |
| Oregano | Dec 4 | Feb 19–Feb 26 | 314 | fits: 80 days to maturity, 314 available after Feb 19. | — |
| Rosemary | Nov 20 | Feb 19–Feb 26 | 300 | fits: 80 days to maturity, 300 available after Feb 19. | — |
| Sage | Dec 18 | Feb 19–Feb 26 | 314 | fits: 75 days to maturity, 314 available after Feb 19. | — |
| Thyme | Dec 4 | Feb 19–Feb 26 | 314 | fits: 90 days to maturity, 314 available after Feb 19. | — |
| Calendula | Jan 1 | Jan 29–Feb 12 | 321 | two-plantings: Plant Jan 29 and again by Oct 13; both mature before Dec 16. | Oct 13 |
| Cosmos | Jan 15 | Feb 12–Feb 26 | 286 | two-plantings: Plant Feb 12 and again by Sep 12; both mature before Nov 25. | Sep 12 |
| Lavender | Nov 20 | Feb 12–Feb 26 | 321 | fits: 90 days to maturity, 321 available after Feb 12. | — |
| Marigolds | Jan 1 | Feb 12–Feb 19 | 286 | two-plantings: Plant Feb 12 and again by Sep 22; both mature before Nov 25. | Sep 22 |
| Melons | Jan 29 | Feb 26–Mar 5 | 258 | fits: 85 days to maturity, 258 available after Feb 26. | Aug 4 |
| Mint | — | Feb 12–Feb 26 | 321 | fits: 90 days to maturity, 321 available after Feb 12. | — |
| Nasturtiums | Jan 15 | Feb 12–Feb 19 | 286 | two-plantings: Plant Feb 12 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Pole Beans | — | Feb 19–Mar 5 | 279 | fits: 65 days to maturity, 279 available after Feb 19. | Sep 7 |
| Spaghetti Squash | Jan 29 | Feb 26–Mar 5 | 265 | fits: 90 days to maturity, 265 available after Feb 26. | Aug 6 |
| Sunflowers | — | Feb 12–Feb 26 | 286 | fits: 70 days to maturity, 286 available after Feb 12. | Sep 2 |
| Tomatillos | Dec 18 | Feb 19–Feb 26 | 265 | fits: 75 days to maturity, 265 available after Feb 19. | Aug 14 |
| Watermelon | Jan 29 | Feb 19–Feb 26 | 265 | fits: 80 days to maturity, 265 available after Feb 19. | Aug 9 |
| Yellow Squash | Jan 29 | Feb 26–Mar 5 | 272 | two-plantings: Plant Feb 26 and again by Sep 17; both mature before Nov 25. | Sep 17 |
| Zinnias | Jan 15 | Feb 12–Feb 26 | 286 | two-plantings: Plant Feb 12 and again by Sep 12; both mature before Nov 25. | Sep 12 |
Month by month in Destrehan
| Month | What to do |
|---|---|
| January | Start indoors: Calendula (Jan 1), Cauliflower (Jan 1), Marigolds (Jan 1), Pepper (Jan 1), Basil (Jan 8), Tomato (Jan 8), +15 more. Direct sow from: Kohlrabi (Jan 1), Cilantro (Jan 15), Turnip (Jan 15), Carrots (Jan 22), Potatoes (Jan 29). Transplant from: Broccoli (Jan 15), Brussel Sprouts (Jan 15), Cabbage (Jan 15), Collards (Jan 15), Kale (Jan 15), Lettuce (Jan 15), +4 more. Plant: Strawberry (Jan 8). |
| February | Direct sow from: Sunflowers (Feb 12), Beans (Feb 19), Pole Beans (Feb 19). Transplant from: Bok Choy (Feb 5), Cauliflower (Feb 5), Cosmos (Feb 12), Lavender (Feb 12), Marigolds (Feb 12), Mint (Feb 12), +24 more. Last frost around February 12. |
| March | Transplant from: Basil (Mar 5). |
| April | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| May | Harvest regularly to encourage production. Monitor for pests and disease. |
| June | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| July | Last sowing dates: Butternut Squash (Jul 27), Pumpkin (Jul 27). |
| August | Last sowing dates: Cantaloupe (Aug 4), Celery (Aug 4), Melons (Aug 4), Spaghetti Squash (Aug 6), Tomato (Aug 9), Watermelon (Aug 9), +4 more. |
| September | Last sowing dates: Sunflowers (Sep 2), Brussel Sprouts (Sep 7), Pole Beans (Sep 7), Basil (Sep 12), Cosmos (Sep 12), Cucumber (Sep 12), +11 more. |
| October | Last sowing dates: Cabbage (Oct 7), Carrots (Oct 7), Beets (Oct 8), Dill (Oct 8), Swiss Chard (Oct 8), Calendula (Oct 13), +8 more. |
| November | Start indoors: Chives (Nov 20), Lavender (Nov 20), Onion (Nov 20), Rosemary (Nov 20). Last sowing dates: Arugula (Nov 6), Spinach (Nov 6), Radish (Nov 7). |
| December | Start indoors: Celery (Dec 4), Collards (Dec 4), Kale (Dec 4), Oregano (Dec 4), Parsley (Dec 4), Scallions (Dec 4), +9 more. Direct sow from: Garlic (Dec 9), Arugula (Dec 18), Beets (Dec 18), Dill (Dec 18), Peas (Dec 18), Radish (Dec 18), +1 more. First frost around December 9. Last sowing dates: Garlic (Dec 30). |
Frequently Asked Questions
What is the last frost date for Destrehan, LA (ZIP 70047)?
The median last spring frost date for Destrehan, LA (ZIP code 70047) is around February 12. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before January 14; one in ten it runs past March 13.
What is the first fall frost date in Destrehan, LA?
The median first fall frost date for Destrehan, LA is around December 9. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around November 21 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Destrehan, LA?
The frost-free growing season in Destrehan is about 300 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Destrehan (300 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Destrehan, LA?
Destrehan, LA is in USDA hardiness zone 9b (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Destrehan, LA?
Start tomatoes indoors Jan 8 and plant out Feb 26 in Destrehan. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Destrehan?
Two: plant Jan 15 and again by Oct 18; both mature before Dec 16.
When do I plant garlic in Destrehan?
Dec 9 to Dec 30; it overwinters and is ready the following summer.
Can I get two tomato crops in Destrehan?
Yes: plant out Feb 26 for a summer crop, and set out a second round of transplants by Aug 9 for a fall crop.
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