Frost Dates for Marshall, MO 65340
Last spring frost April 16 · First fall frost October 13 · 180 frost-free days · USDA Zone 6b
ZIP 65340 has about 16,000 people.
Long season: 180 frost-free days. Spring frost risk spans April 1–May 1 (30 days). Fall frost risk spans September 27–October 29 (32 days).
Frost probability for 65340
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 1 | April 16 | April 1 |
| Fall (first frost) | September 27 | October 13 | October 29 |
Dates come from NOAA 1971–2000 freeze probabilities at SWEET SPRINGS (24.9 km away); the 50% date is the median year.
Which crops fit a 180-day season in Marshall
In Marshall (180 frost-free days, a 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 | Mar 12 | Apr 30–May 7 | 138 | fits: 80 days to maturity, 138 available after Apr 30. | Jun 13 |
| Pepper | Mar 5 | Apr 30–May 7 | 138 | fits: 75 days to maturity, 138 available after Apr 30. | Jun 18 |
| Lettuce | Feb 19 | Mar 19–Mar 26 | 215 | two-plantings: Plant Mar 19 and again by Aug 22; both mature before Oct 20. | Aug 22 |
| Carrots | — | Mar 26–Apr 2 | 222 | fits: 70 days to maturity, 222 available after Mar 26. | Aug 11 |
| Cucumber | Mar 26 | Apr 30–May 7 | 152 | two-plantings: Plant Apr 30 and again by Jul 17; both mature before Sep 29. | Jul 17 |
| Beans | — | Apr 23–May 7 | 166 | two-plantings: Plant Apr 23 and again by Jul 24; both mature before Oct 6. | Jul 24 |
| Peas | — | Feb 19–Apr 30 | 243 | fits: 65 days to maturity, 243 available after Feb 19. | Aug 2 |
| Zucchini | Apr 2 | Apr 30–May 7 | 152 | two-plantings: Plant Apr 30 and again by Jul 22; both mature before Sep 29. | Jul 22 |
| Onion | Jan 22 | Mar 19–Apr 2 | 215 | fits: 100 days to maturity, 215 available after Mar 19. | — |
| Spinach | — | Feb 19–Apr 9 | 257 | two-plantings: Plant Feb 19 and again by Sep 10; both mature before Nov 3. | Sep 10 |
| Kale | Feb 5 | Mar 19–Apr 2 | 229 | two-plantings: Plant Mar 19 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Broccoli | Feb 19 | Mar 19–Apr 2 | 215 | fits: 80 days to maturity, 215 available after Mar 19. | Jul 18 |
| Cabbage | Feb 19 | Mar 19–Apr 2 | 229 | fits: 70 days to maturity, 229 available after Mar 19. | Aug 11 |
| Radish | — | Feb 19–May 14 | 243 | two-plantings: Plant Feb 19 and again by Sep 11; both mature before Oct 20. | Sep 11 |
| Beets | — | Feb 19–May 14 | 243 | two-plantings: Plant Feb 19 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Potatoes | — | Apr 2–Apr 9 | 201 | fits: 90 days to maturity, 201 available after Apr 2. | — |
| Garlic | — | Oct 13 | 285 | overwinter: Plant Oct 13 to Nov 3; harvest the following summer. | Nov 3 |
| Strawberry | — | Mar 12–May 7 | 236 | perennial: A perennial: plant Mar 12; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 19 | Apr 23–Apr 30 | 152 | fits: 75 days to maturity, 152 available after Apr 23. | Jun 25 |
| Pumpkin | Apr 2 | Apr 30–Apr 30 | 145 | fits: 100 days to maturity, 145 available after Apr 30. | May 31 |
| Cauliflower | Mar 5 | Apr 9–Apr 23 | 194 | fits: 75 days to maturity, 194 available after Apr 9. | Jul 23 |
| Swiss Chard | Feb 19 | Apr 2–Apr 2 | 201 | two-plantings: Plant Apr 2 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Arugula | — | Feb 19–May 14 | 257 | two-plantings: Plant Feb 19 and again by Sep 10; both mature before Nov 3. | Sep 10 |
| Brussel Sprouts | Feb 19 | Mar 19–Apr 2 | 229 | fits: 100 days to maturity, 229 available after Mar 19. | Jul 12 |
| Butternut Squash | Apr 2 | Apr 30–May 7 | 145 | fits: 100 days to maturity, 145 available after Apr 30. | May 31 |
| Eggplant | Feb 26 | Apr 30–May 7 | 138 | fits: 70 days to maturity, 138 available after Apr 30. | Jun 23 |
| Okra | Mar 19 | Apr 23–Apr 30 | 159 | two-plantings: Plant Apr 23 and again by Jul 22; both mature before Sep 29. | Jul 22 |
| Basil | Mar 12 | May 7–May 7 | 145 | two-plantings: Plant May 7 and again by Jul 17; both mature before Sep 29. | Jul 17 |
| Cilantro | — | Mar 19–Apr 9 | 215 | two-plantings: Plant Mar 19 and again by Aug 17; both mature before Oct 20. | Aug 17 |
| Parsley | Feb 5 | Apr 23–Apr 30 | 180 | fits: 70 days to maturity, 180 available after Apr 23. | Jul 28 |
| Celery | Feb 5 | Apr 23–May 7 | 180 | fits: 120 days to maturity, 180 available after Apr 23. | Jun 8 |
| Scallions | Feb 5 | Mar 19–Apr 2 | 229 | two-plantings: Plant Mar 19 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Turnip | — | Mar 19–Apr 2 | 229 | two-plantings: Plant Mar 19 and again by Aug 31; both mature before Nov 3. | Aug 31 |
| Kohlrabi | — | Mar 5–Mar 19 | 243 | two-plantings: Plant Mar 5 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Bok Choy | Mar 19 | Apr 9–Apr 16 | 194 | two-plantings: Plant Apr 9 and again by Aug 22; both mature before Oct 20. | Aug 22 |
| Collards | Feb 5 | Mar 19–Apr 2 | 229 | two-plantings: Plant Mar 19 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Cantaloupe | Apr 2 | Apr 30–May 7 | 138 | fits: 85 days to maturity, 138 available after Apr 30. | Jun 8 |
| Chives | Jan 22 | Apr 23–Apr 30 | 194 | fits: 90 days to maturity, 194 available after Apr 23. | — |
| Dill | — | Feb 19–May 14 | 243 | two-plantings: Plant Feb 19 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Oregano | Feb 5 | Apr 23–Apr 30 | 194 | fits: 80 days to maturity, 194 available after Apr 23. | — |
| Rosemary | Jan 22 | Apr 23–Apr 30 | 180 | fits: 80 days to maturity, 180 available after Apr 23. | — |
| Sage | Feb 19 | Apr 23–Apr 30 | 194 | fits: 75 days to maturity, 194 available after Apr 23. | — |
| Thyme | Feb 5 | Apr 23–Apr 30 | 194 | fits: 90 days to maturity, 194 available after Apr 23. | — |
| Calendula | Mar 5 | Apr 2–Apr 16 | 201 | two-plantings: Plant Apr 2 and again by Aug 17; both mature before Oct 20. | Aug 17 |
| Cosmos | Mar 19 | Apr 16–Apr 30 | 166 | two-plantings: Plant Apr 16 and again by Jul 17; both mature before Sep 29. | Jul 17 |
| Lavender | Jan 22 | Apr 16–Apr 30 | 201 | fits: 90 days to maturity, 201 available after Apr 16. | — |
| Marigolds | Mar 5 | Apr 16–Apr 23 | 166 | two-plantings: Plant Apr 16 and again by Jul 27; both mature before Sep 29. | Jul 27 |
| Melons | Apr 2 | Apr 30–May 7 | 138 | fits: 85 days to maturity, 138 available after Apr 30. | Jun 8 |
| Mint | — | Apr 16–Apr 30 | 201 | fits: 90 days to maturity, 201 available after Apr 16. | — |
| Nasturtiums | Mar 19 | Apr 16–Apr 23 | 166 | two-plantings: Plant Apr 16 and again by Jul 22; both mature before Sep 29. | Jul 22 |
| Pole Beans | — | Apr 23–May 7 | 159 | fits: 65 days to maturity, 159 available after Apr 23. | Jul 12 |
| Spaghetti Squash | Apr 2 | Apr 30–May 7 | 145 | fits: 90 days to maturity, 145 available after Apr 30. | Jun 10 |
| Sunflowers | — | Apr 16–Apr 30 | 166 | fits: 70 days to maturity, 166 available after Apr 16. | Jul 7 |
| Tomatillos | Feb 19 | Apr 23–Apr 30 | 145 | fits: 75 days to maturity, 145 available after Apr 23. | Jun 18 |
| Watermelon | Apr 2 | Apr 23–Apr 30 | 145 | fits: 80 days to maturity, 145 available after Apr 23. | Jun 13 |
| Yellow Squash | Apr 2 | Apr 30–May 7 | 152 | two-plantings: Plant Apr 30 and again by Jul 22; both mature before Sep 29. | Jul 22 |
| Zinnias | Mar 19 | Apr 16–Apr 30 | 166 | two-plantings: Plant Apr 16 and again by Jul 17; both mature before Sep 29. | Jul 17 |
Month by month in Marshall
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 22), Lavender (Jan 22), Onion (Jan 22), Rosemary (Jan 22). |
| February | Start indoors: Celery (Feb 5), Collards (Feb 5), Kale (Feb 5), Oregano (Feb 5), Parsley (Feb 5), Scallions (Feb 5), +9 more. Direct sow from: Arugula (Feb 19), Beets (Feb 19), Dill (Feb 19), Peas (Feb 19), Radish (Feb 19), Spinach (Feb 19). |
| March | Start indoors: Calendula (Mar 5), Cauliflower (Mar 5), Marigolds (Mar 5), Pepper (Mar 5), Basil (Mar 12), Tomato (Mar 12), +7 more. Direct sow from: Kohlrabi (Mar 5), Cilantro (Mar 19), Turnip (Mar 19), Carrots (Mar 26). Transplant from: Broccoli (Mar 19), Brussel Sprouts (Mar 19), Cabbage (Mar 19), Collards (Mar 19), Kale (Mar 19), Lettuce (Mar 19), +2 more. Plant: Strawberry (Mar 12). |
| April | Start indoors: Butternut Squash (Apr 2), Cantaloupe (Apr 2), Melons (Apr 2), Pumpkin (Apr 2), Spaghetti Squash (Apr 2), Watermelon (Apr 2), +2 more. Direct sow from: Potatoes (Apr 2), Sunflowers (Apr 16), Beans (Apr 23), Pole Beans (Apr 23). Transplant from: Calendula (Apr 2), Swiss Chard (Apr 2), Bok Choy (Apr 9), Cauliflower (Apr 9), Cosmos (Apr 16), Lavender (Apr 16), +26 more. Last frost around April 16. |
| May | Transplant from: Basil (May 7). Last sowing dates: Butternut Squash (May 31), Pumpkin (May 31). |
| June | Last sowing dates: Cantaloupe (Jun 8), Celery (Jun 8), Melons (Jun 8), Spaghetti Squash (Jun 10), Tomato (Jun 13), Watermelon (Jun 13), +4 more. |
| July | Last sowing dates: Sunflowers (Jul 7), Brussel Sprouts (Jul 12), Pole Beans (Jul 12), Basil (Jul 17), Cosmos (Jul 17), Cucumber (Jul 17), +10 more. |
| August | Last sowing dates: Peas (Aug 2), Cabbage (Aug 11), Carrots (Aug 11), Beets (Aug 12), Dill (Aug 12), Swiss Chard (Aug 12), +9 more. |
| September | Last sowing dates: Arugula (Sep 10), Spinach (Sep 10), Radish (Sep 11). |
| October | Direct sow from: Garlic (Oct 13). First frost around October 13. |
| November | Last sowing dates: Garlic (Nov 3). |
| December | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
Frequently Asked Questions
What is the last frost date for Marshall, MO (ZIP 65340)?
The median last spring frost date for Marshall, MO (ZIP code 65340) is around April 16. 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 April 1; one in ten it runs past May 1.
What is the first fall frost date in Marshall, MO?
The median first fall frost date for Marshall, MO is around October 13. 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 September 27 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Marshall, MO?
The frost-free growing season in Marshall is about 180 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 Marshall (180 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Marshall, MO?
Marshall, MO is in USDA hardiness zone 6b (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 Marshall, MO?
Start tomatoes indoors Mar 12 and plant out Apr 30 in Marshall. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Marshall?
Two: plant Mar 19 and again by Aug 22; both mature before Oct 20.
When do I plant garlic in Marshall?
Oct 13 to Nov 3; it overwinters and is ready the following summer.
Can I get two tomato crops in Marshall?
Yes: plant out Apr 30 for a summer crop, and set out a second round of transplants by Jun 13 for a fall crop.
Which nearby ZIP has a longer season?
Boonville (ZIP 65233) has 196 frost-free days, 16 more than Marshall (ZIP 65340). See Boonville ZIP 65233 frost dates
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