Frost Dates for Denham Springs, LA 70706
Denham Springs has 2 ZIP codes. The Denham Springs, LA frost page lists all of them with their dates.
Last spring frost March 2 · First fall frost November 21 · 264 frost-free days · USDA Zone 9a
ZIP 70706 has about 21,800 people, one of 2 ZIP codes in Denham Springs.
Very long season: 264 frost-free days. Spring frost risk spans February 8–March 23 (43 days). Fall frost risk spans November 3–December 10 (37 days).
Frost probability for 70706
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 23 | March 2 | February 8 |
| Fall (first frost) | November 3 | November 21 | December 10 |
Dates come from NOAA 1971–2000 freeze probabilities at LSU BEN-HUR FARM (37.7 km away); the 50% date is the median year.
Which crops fit a 264-day season in Denham Springs
In Denham Springs (264 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 26 | Mar 16–Mar 23 | 222 | fits: 80 days to maturity, 222 available after Mar 16. | Jul 22 |
| Pepper | Jan 19 | Mar 16–Mar 23 | 222 | fits: 75 days to maturity, 222 available after Mar 16. | Jul 27 |
| Lettuce | Jan 5 | Feb 2–Feb 9 | 299 | two-plantings: Plant Feb 2 and again by Sep 30; both mature before Nov 28. | Sep 30 |
| Carrots | — | Feb 9–Feb 16 | 306 | fits: 70 days to maturity, 306 available after Feb 9. | Sep 19 |
| Cucumber | Feb 9 | Mar 16–Mar 23 | 236 | two-plantings: Plant Mar 16 and again by Aug 25; both mature before Nov 7. | Aug 25 |
| Beans | — | Mar 9–Mar 23 | 250 | two-plantings: Plant Mar 9 and again by Sep 1; both mature before Nov 14. | Sep 1 |
| Peas | — | Jan 5–Mar 16 | 327 | fits: 65 days to maturity, 327 available after Jan 5. | Sep 10 |
| Zucchini | Feb 16 | Mar 16–Mar 23 | 236 | two-plantings: Plant Mar 16 and again by Aug 30; both mature before Nov 7. | Aug 30 |
| Onion | Dec 8 | Feb 2–Feb 16 | 299 | fits: 100 days to maturity, 299 available after Feb 2. | — |
| Spinach | — | Jan 5–Feb 23 | 341 | two-plantings: Plant Jan 5 and again by Oct 19; both mature before Dec 12. | Oct 19 |
| Kale | Dec 22 | Feb 2–Feb 16 | 313 | two-plantings: Plant Feb 2 and again by Oct 4; both mature before Dec 12. | Oct 4 |
| Broccoli | Jan 5 | Feb 2–Feb 16 | 299 | fits: 80 days to maturity, 299 available after Feb 2. | Aug 26 |
| Cabbage | Jan 5 | Feb 2–Feb 16 | 313 | fits: 70 days to maturity, 313 available after Feb 2. | Sep 19 |
| Radish | — | Jan 5–Mar 30 | 327 | two-plantings: Plant Jan 5 and again by Oct 20; both mature before Nov 28. | Oct 20 |
| Beets | — | Jan 5–Mar 30 | 327 | two-plantings: Plant Jan 5 and again by Sep 20; both mature before Nov 28. | Sep 20 |
| Potatoes | — | Feb 16–Feb 23 | 285 | fits: 90 days to maturity, 285 available after Feb 16. | — |
| Garlic | — | Nov 21 | 369 | overwinter: Plant Nov 21 to Dec 12; harvest the following summer. | Dec 12 |
| Strawberry | — | Jan 26–Mar 23 | 320 | perennial: A perennial: plant Jan 26; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 2 | Mar 9–Mar 16 | 236 | fits: 75 days to maturity, 236 available after Mar 9. | Aug 3 |
| Pumpkin | Feb 16 | Mar 16–Mar 16 | 229 | fits: 100 days to maturity, 229 available after Mar 16. | Jul 9 |
| Cauliflower | Jan 19 | Feb 23–Mar 9 | 278 | fits: 75 days to maturity, 278 available after Feb 23. | Aug 31 |
| Swiss Chard | Jan 5 | Feb 16–Feb 16 | 285 | two-plantings: Plant Feb 16 and again by Sep 20; both mature before Nov 28. | Sep 20 |
| Arugula | — | Jan 5–Mar 30 | 341 | two-plantings: Plant Jan 5 and again by Oct 19; both mature before Dec 12. | Oct 19 |
| Brussel Sprouts | Jan 5 | Feb 2–Feb 16 | 313 | fits: 100 days to maturity, 313 available after Feb 2. | Aug 20 |
| Butternut Squash | Feb 16 | Mar 16–Mar 23 | 229 | fits: 100 days to maturity, 229 available after Mar 16. | Jul 9 |
| Eggplant | Jan 12 | Mar 16–Mar 23 | 222 | fits: 70 days to maturity, 222 available after Mar 16. | Aug 1 |
| Okra | Feb 2 | Mar 9–Mar 16 | 243 | two-plantings: Plant Mar 9 and again by Aug 30; both mature before Nov 7. | Aug 30 |
| Basil | Jan 26 | Mar 23–Mar 23 | 229 | two-plantings: Plant Mar 23 and again by Aug 25; both mature before Nov 7. | Aug 25 |
| Cilantro | — | Feb 2–Feb 23 | 299 | two-plantings: Plant Feb 2 and again by Sep 25; both mature before Nov 28. | Sep 25 |
| Parsley | Dec 22 | Mar 9–Mar 16 | 264 | fits: 70 days to maturity, 264 available after Mar 9. | Sep 5 |
| Celery | Dec 22 | Mar 9–Mar 23 | 264 | fits: 120 days to maturity, 264 available after Mar 9. | Jul 17 |
| Scallions | Dec 22 | Feb 2–Feb 16 | 313 | two-plantings: Plant Feb 2 and again by Sep 29; both mature before Dec 12. | Sep 29 |
| Turnip | — | Feb 2–Feb 16 | 313 | two-plantings: Plant Feb 2 and again by Oct 9; both mature before Dec 12. | Oct 9 |
| Kohlrabi | — | Jan 19–Feb 2 | 327 | two-plantings: Plant Jan 19 and again by Oct 4; both mature before Dec 12. | Oct 4 |
| Bok Choy | Feb 2 | Feb 23–Mar 2 | 278 | two-plantings: Plant Feb 23 and again by Sep 30; both mature before Nov 28. | Sep 30 |
| Collards | Dec 22 | Feb 2–Feb 16 | 313 | two-plantings: Plant Feb 2 and again by Sep 29; both mature before Dec 12. | Sep 29 |
| Cantaloupe | Feb 16 | Mar 16–Mar 23 | 222 | fits: 85 days to maturity, 222 available after Mar 16. | Jul 17 |
| Chives | Dec 8 | Mar 9–Mar 16 | 278 | fits: 90 days to maturity, 278 available after Mar 9. | — |
| Dill | — | Jan 5–Mar 30 | 327 | two-plantings: Plant Jan 5 and again by Sep 20; both mature before Nov 28. | Sep 20 |
| Oregano | Dec 22 | Mar 9–Mar 16 | 278 | fits: 80 days to maturity, 278 available after Mar 9. | — |
| Rosemary | Dec 8 | Mar 9–Mar 16 | 264 | fits: 80 days to maturity, 264 available after Mar 9. | — |
| Sage | Jan 5 | Mar 9–Mar 16 | 278 | fits: 75 days to maturity, 278 available after Mar 9. | — |
| Thyme | Dec 22 | Mar 9–Mar 16 | 278 | fits: 90 days to maturity, 278 available after Mar 9. | — |
| Calendula | Jan 19 | Feb 16–Mar 2 | 285 | two-plantings: Plant Feb 16 and again by Sep 25; both mature before Nov 28. | Sep 25 |
| Cosmos | Feb 2 | Mar 2–Mar 16 | 250 | two-plantings: Plant Mar 2 and again by Aug 25; both mature before Nov 7. | Aug 25 |
| Lavender | Dec 8 | Mar 2–Mar 16 | 285 | fits: 90 days to maturity, 285 available after Mar 2. | — |
| Marigolds | Jan 19 | Mar 2–Mar 9 | 250 | two-plantings: Plant Mar 2 and again by Sep 4; both mature before Nov 7. | Sep 4 |
| Melons | Feb 16 | Mar 16–Mar 23 | 222 | fits: 85 days to maturity, 222 available after Mar 16. | Jul 17 |
| Mint | — | Mar 2–Mar 16 | 285 | fits: 90 days to maturity, 285 available after Mar 2. | — |
| Nasturtiums | Feb 2 | Mar 2–Mar 9 | 250 | two-plantings: Plant Mar 2 and again by Aug 30; both mature before Nov 7. | Aug 30 |
| Pole Beans | — | Mar 9–Mar 23 | 243 | fits: 65 days to maturity, 243 available after Mar 9. | Aug 20 |
| Spaghetti Squash | Feb 16 | Mar 16–Mar 23 | 229 | fits: 90 days to maturity, 229 available after Mar 16. | Jul 19 |
| Sunflowers | — | Mar 2–Mar 16 | 250 | fits: 70 days to maturity, 250 available after Mar 2. | Aug 15 |
| Tomatillos | Jan 5 | Mar 9–Mar 16 | 229 | fits: 75 days to maturity, 229 available after Mar 9. | Jul 27 |
| Watermelon | Feb 16 | Mar 9–Mar 16 | 229 | fits: 80 days to maturity, 229 available after Mar 9. | Jul 22 |
| Yellow Squash | Feb 16 | Mar 16–Mar 23 | 236 | two-plantings: Plant Mar 16 and again by Aug 30; both mature before Nov 7. | Aug 30 |
| Zinnias | Feb 2 | Mar 2–Mar 16 | 250 | two-plantings: Plant Mar 2 and again by Aug 25; both mature before Nov 7. | Aug 25 |
Month by month in Denham Springs
| Month | What to do |
|---|---|
| January | Start indoors: Broccoli (Jan 5), Brussel Sprouts (Jan 5), Cabbage (Jan 5), Lettuce (Jan 5), Sage (Jan 5), Swiss Chard (Jan 5), +8 more. Direct sow from: Arugula (Jan 5), Beets (Jan 5), Dill (Jan 5), Peas (Jan 5), Radish (Jan 5), Spinach (Jan 5), +1 more. Plant: Strawberry (Jan 26). |
| February | Start indoors: Bok Choy (Feb 2), Corn (Feb 2), Cosmos (Feb 2), Nasturtiums (Feb 2), Okra (Feb 2), Zinnias (Feb 2), +9 more. Direct sow from: Cilantro (Feb 2), Turnip (Feb 2), Carrots (Feb 9), Potatoes (Feb 16). Transplant from: Broccoli (Feb 2), Brussel Sprouts (Feb 2), Cabbage (Feb 2), Collards (Feb 2), Kale (Feb 2), Lettuce (Feb 2), +6 more. |
| March | Direct sow from: Sunflowers (Mar 2), Beans (Mar 9), Pole Beans (Mar 9). Transplant from: Cosmos (Mar 2), Lavender (Mar 2), Marigolds (Mar 2), Mint (Mar 2), Nasturtiums (Mar 2), Zinnias (Mar 2), +23 more. Last frost around March 2. |
| April | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| May | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| June | Harvest regularly to encourage production. Monitor for pests and disease. |
| July | Last sowing dates: Butternut Squash (Jul 9), Pumpkin (Jul 9), Cantaloupe (Jul 17), Celery (Jul 17), Melons (Jul 17), Spaghetti Squash (Jul 19), +4 more. |
| August | Last sowing dates: Eggplant (Aug 1), Corn (Aug 3), Sunflowers (Aug 15), Brussel Sprouts (Aug 20), Pole Beans (Aug 20), Basil (Aug 25), +9 more. |
| September | Last sowing dates: Beans (Sep 1), Marigolds (Sep 4), Parsley (Sep 5), Peas (Sep 10), Cabbage (Sep 19), Carrots (Sep 19), +9 more. |
| October | Last sowing dates: Kale (Oct 4), Kohlrabi (Oct 4), Turnip (Oct 9), Arugula (Oct 19), Spinach (Oct 19), Radish (Oct 20). |
| November | Direct sow from: Garlic (Nov 21). First frost around November 21. |
| December | Start indoors: Chives (Dec 8), Lavender (Dec 8), Onion (Dec 8), Rosemary (Dec 8), Celery (Dec 22), Collards (Dec 22), +5 more. Last sowing dates: Garlic (Dec 12). |
Frequently Asked Questions
What is the last frost date for Denham Springs, LA (ZIP 70706)?
The median last spring frost date for Denham Springs, LA (ZIP code 70706) is around March 2. 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 February 8; one in ten it runs past March 23.
What is the first fall frost date in Denham Springs, LA?
The median first fall frost date for Denham Springs, LA is around November 21. 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 3 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Denham Springs, LA?
The frost-free growing season in Denham Springs is about 264 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 Denham Springs (264 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 Denham Springs, LA?
Denham Springs, LA is in USDA hardiness zone 9a (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 Denham Springs, LA?
Start tomatoes indoors Jan 26 and plant out Mar 16 in Denham Springs. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Denham Springs?
Two: plant Feb 2 and again by Sep 30; both mature before Nov 28.
When do I plant garlic in Denham Springs?
Nov 21 to Dec 12; it overwinters and is ready the following summer.
Can I get two tomato crops in Denham Springs?
Yes: plant out Mar 16 for a summer crop, and set out a second round of transplants by Jul 22 for a fall crop.
Which nearby ZIP has a longer season?
Denham Springs (ZIP 70726) has 276 frost-free days, 12 more than Denham Springs (ZIP 70706). See Denham Springs ZIP 70726 frost dates
Nearby and related
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