Frost Dates for Ozark, MO 65721
Last spring frost April 21 · First fall frost October 21 · 183 frost-free days · USDA Zone 6b
ZIP 65721 has about 33,500 people.
Long season: 183 frost-free days. Spring frost risk spans April 4–May 5 (31 days). Fall frost risk spans October 2–November 7 (36 days).
Frost probability for 65721
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 5 | April 21 | April 4 |
| Fall (first frost) | October 2 | October 21 | November 7 |
Dates come from NOAA 1971–2000 freeze probabilities at OLDFIELD (16.6 km away); the 50% date is the median year.
Which crops fit a 183-day season in Ozark
In Ozark (183 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 17 | May 5–May 12 | 141 | fits: 80 days to maturity, 141 available after May 5. | Jun 21 |
| Pepper | Mar 10 | May 5–May 12 | 141 | fits: 75 days to maturity, 141 available after May 5. | Jun 26 |
| Lettuce | Feb 24 | Mar 24–Mar 31 | 218 | two-plantings: Plant Mar 24 and again by Aug 30; both mature before Oct 28. | Aug 30 |
| Carrots | — | Mar 31–Apr 7 | 225 | fits: 70 days to maturity, 225 available after Mar 31. | Aug 19 |
| Cucumber | Mar 31 | May 5–May 12 | 155 | two-plantings: Plant May 5 and again by Jul 25; both mature before Oct 7. | Jul 25 |
| Beans | — | Apr 28–May 12 | 169 | two-plantings: Plant Apr 28 and again by Aug 1; both mature before Oct 14. | Aug 1 |
| Peas | — | Feb 24–May 5 | 246 | fits: 65 days to maturity, 246 available after Feb 24. | Aug 10 |
| Zucchini | Apr 7 | May 5–May 12 | 155 | two-plantings: Plant May 5 and again by Jul 30; both mature before Oct 7. | Jul 30 |
| Onion | Jan 27 | Mar 24–Apr 7 | 218 | fits: 100 days to maturity, 218 available after Mar 24. | — |
| Spinach | — | Feb 24–Apr 14 | 260 | two-plantings: Plant Feb 24 and again by Sep 18; both mature before Nov 11. | Sep 18 |
| Kale | Feb 10 | Mar 24–Apr 7 | 232 | two-plantings: Plant Mar 24 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Broccoli | Feb 24 | Mar 24–Apr 7 | 218 | fits: 80 days to maturity, 218 available after Mar 24. | Jul 26 |
| Cabbage | Feb 24 | Mar 24–Apr 7 | 232 | fits: 70 days to maturity, 232 available after Mar 24. | Aug 19 |
| Radish | — | Feb 24–May 19 | 246 | two-plantings: Plant Feb 24 and again by Sep 19; both mature before Oct 28. | Sep 19 |
| Beets | — | Feb 24–May 19 | 246 | two-plantings: Plant Feb 24 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Potatoes | — | Apr 7–Apr 14 | 204 | fits: 90 days to maturity, 204 available after Apr 7. | — |
| Garlic | — | Oct 21 | 288 | overwinter: Plant Oct 21 to Nov 11; harvest the following summer. | Nov 11 |
| Strawberry | — | Mar 17–May 12 | 239 | perennial: A perennial: plant Mar 17; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 24 | Apr 28–May 5 | 155 | fits: 75 days to maturity, 155 available after Apr 28. | Jul 3 |
| Pumpkin | Apr 7 | May 5–May 5 | 148 | fits: 100 days to maturity, 148 available after May 5. | Jun 8 |
| Cauliflower | Mar 10 | Apr 14–Apr 28 | 197 | fits: 75 days to maturity, 197 available after Apr 14. | Jul 31 |
| Swiss Chard | Feb 24 | Apr 7–Apr 7 | 204 | two-plantings: Plant Apr 7 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Arugula | — | Feb 24–May 19 | 260 | two-plantings: Plant Feb 24 and again by Sep 18; both mature before Nov 11. | Sep 18 |
| Brussel Sprouts | Feb 24 | Mar 24–Apr 7 | 232 | fits: 100 days to maturity, 232 available after Mar 24. | Jul 20 |
| Butternut Squash | Apr 7 | May 5–May 12 | 148 | fits: 100 days to maturity, 148 available after May 5. | Jun 8 |
| Eggplant | Mar 3 | May 5–May 12 | 141 | fits: 70 days to maturity, 141 available after May 5. | Jul 1 |
| Okra | Mar 24 | Apr 28–May 5 | 162 | two-plantings: Plant Apr 28 and again by Jul 30; both mature before Oct 7. | Jul 30 |
| Basil | Mar 17 | May 12–May 12 | 148 | two-plantings: Plant May 12 and again by Jul 25; both mature before Oct 7. | Jul 25 |
| Cilantro | — | Mar 24–Apr 14 | 218 | two-plantings: Plant Mar 24 and again by Aug 25; both mature before Oct 28. | Aug 25 |
| Parsley | Feb 10 | Apr 28–May 5 | 183 | fits: 70 days to maturity, 183 available after Apr 28. | Aug 5 |
| Celery | Feb 10 | Apr 28–May 12 | 183 | fits: 120 days to maturity, 183 available after Apr 28. | Jun 16 |
| Scallions | Feb 10 | Mar 24–Apr 7 | 232 | two-plantings: Plant Mar 24 and again by Aug 29; both mature before Nov 11. | Aug 29 |
| Turnip | — | Mar 24–Apr 7 | 232 | two-plantings: Plant Mar 24 and again by Sep 8; both mature before Nov 11. | Sep 8 |
| Kohlrabi | — | Mar 10–Mar 24 | 246 | two-plantings: Plant Mar 10 and again by Sep 3; both mature before Nov 11. | Sep 3 |
| Bok Choy | Mar 24 | Apr 14–Apr 21 | 197 | two-plantings: Plant Apr 14 and again by Aug 30; both mature before Oct 28. | Aug 30 |
| Collards | Feb 10 | Mar 24–Apr 7 | 232 | two-plantings: Plant Mar 24 and again by Aug 29; both mature before Nov 11. | Aug 29 |
| Cantaloupe | Apr 7 | May 5–May 12 | 141 | fits: 85 days to maturity, 141 available after May 5. | Jun 16 |
| Chives | Jan 27 | Apr 28–May 5 | 197 | fits: 90 days to maturity, 197 available after Apr 28. | — |
| Dill | — | Feb 24–May 19 | 246 | two-plantings: Plant Feb 24 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Oregano | Feb 10 | Apr 28–May 5 | 197 | fits: 80 days to maturity, 197 available after Apr 28. | — |
| Rosemary | Jan 27 | Apr 28–May 5 | 183 | fits: 80 days to maturity, 183 available after Apr 28. | — |
| Sage | Feb 24 | Apr 28–May 5 | 197 | fits: 75 days to maturity, 197 available after Apr 28. | — |
| Thyme | Feb 10 | Apr 28–May 5 | 197 | fits: 90 days to maturity, 197 available after Apr 28. | — |
| Calendula | Mar 10 | Apr 7–Apr 21 | 204 | two-plantings: Plant Apr 7 and again by Aug 25; both mature before Oct 28. | Aug 25 |
| Cosmos | Mar 24 | Apr 21–May 5 | 169 | two-plantings: Plant Apr 21 and again by Jul 25; both mature before Oct 7. | Jul 25 |
| Lavender | Jan 27 | Apr 21–May 5 | 204 | fits: 90 days to maturity, 204 available after Apr 21. | — |
| Marigolds | Mar 10 | Apr 21–Apr 28 | 169 | two-plantings: Plant Apr 21 and again by Aug 4; both mature before Oct 7. | Aug 4 |
| Melons | Apr 7 | May 5–May 12 | 141 | fits: 85 days to maturity, 141 available after May 5. | Jun 16 |
| Mint | — | Apr 21–May 5 | 204 | fits: 90 days to maturity, 204 available after Apr 21. | — |
| Nasturtiums | Mar 24 | Apr 21–Apr 28 | 169 | two-plantings: Plant Apr 21 and again by Jul 30; both mature before Oct 7. | Jul 30 |
| Pole Beans | — | Apr 28–May 12 | 162 | fits: 65 days to maturity, 162 available after Apr 28. | Jul 20 |
| Spaghetti Squash | Apr 7 | May 5–May 12 | 148 | fits: 90 days to maturity, 148 available after May 5. | Jun 18 |
| Sunflowers | — | Apr 21–May 5 | 169 | fits: 70 days to maturity, 169 available after Apr 21. | Jul 15 |
| Tomatillos | Feb 24 | Apr 28–May 5 | 148 | fits: 75 days to maturity, 148 available after Apr 28. | Jun 26 |
| Watermelon | Apr 7 | Apr 28–May 5 | 148 | fits: 80 days to maturity, 148 available after Apr 28. | Jun 21 |
| Yellow Squash | Apr 7 | May 5–May 12 | 155 | two-plantings: Plant May 5 and again by Jul 30; both mature before Oct 7. | Jul 30 |
| Zinnias | Mar 24 | Apr 21–May 5 | 169 | two-plantings: Plant Apr 21 and again by Jul 25; both mature before Oct 7. | Jul 25 |
Month by month in Ozark
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 27), Lavender (Jan 27), Onion (Jan 27), Rosemary (Jan 27). |
| February | Start indoors: Celery (Feb 10), Collards (Feb 10), Kale (Feb 10), Oregano (Feb 10), Parsley (Feb 10), Scallions (Feb 10), +8 more. Direct sow from: Arugula (Feb 24), Beets (Feb 24), Dill (Feb 24), Peas (Feb 24), Radish (Feb 24), Spinach (Feb 24). |
| March | Start indoors: Eggplant (Mar 3), Calendula (Mar 10), Cauliflower (Mar 10), Marigolds (Mar 10), Pepper (Mar 10), Basil (Mar 17), +8 more. Direct sow from: Kohlrabi (Mar 10), Cilantro (Mar 24), Turnip (Mar 24), Carrots (Mar 31). Transplant from: Broccoli (Mar 24), Brussel Sprouts (Mar 24), Cabbage (Mar 24), Collards (Mar 24), Kale (Mar 24), Lettuce (Mar 24), +2 more. Plant: Strawberry (Mar 17). |
| April | Start indoors: Butternut Squash (Apr 7), Cantaloupe (Apr 7), Melons (Apr 7), Pumpkin (Apr 7), Spaghetti Squash (Apr 7), Watermelon (Apr 7), +2 more. Direct sow from: Potatoes (Apr 7), Sunflowers (Apr 21), Beans (Apr 28), Pole Beans (Apr 28). Transplant from: Calendula (Apr 7), Swiss Chard (Apr 7), Bok Choy (Apr 14), Cauliflower (Apr 14), Cosmos (Apr 21), Lavender (Apr 21), +15 more. Last frost around April 21. |
| May | Transplant from: Butternut Squash (May 5), Cantaloupe (May 5), Cucumber (May 5), Eggplant (May 5), Melons (May 5), Pepper (May 5), +6 more. |
| June | Last sowing dates: Butternut Squash (Jun 8), Pumpkin (Jun 8), Cantaloupe (Jun 16), Celery (Jun 16), Melons (Jun 16), Spaghetti Squash (Jun 18), +4 more. |
| July | Last sowing dates: Eggplant (Jul 1), Corn (Jul 3), Sunflowers (Jul 15), Brussel Sprouts (Jul 20), Pole Beans (Jul 20), Basil (Jul 25), +9 more. |
| August | Last sowing dates: Beans (Aug 1), Marigolds (Aug 4), Parsley (Aug 5), Peas (Aug 10), Cabbage (Aug 19), Carrots (Aug 19), +9 more. |
| September | Last sowing dates: Kale (Sep 3), Kohlrabi (Sep 3), Turnip (Sep 8), Arugula (Sep 18), Spinach (Sep 18), Radish (Sep 19). |
| October | Direct sow from: Garlic (Oct 21). First frost around October 21. |
| November | Last sowing dates: Garlic (Nov 11). |
| 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 Ozark, MO (ZIP 65721)?
The median last spring frost date for Ozark, MO (ZIP code 65721) is around April 21. 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 4; one in ten it runs past May 5.
What is the first fall frost date in Ozark, MO?
The median first fall frost date for Ozark, MO is around October 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 October 2 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Ozark, MO?
The frost-free growing season in Ozark is about 183 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 Ozark (183 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 Ozark, MO?
Ozark, 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 Ozark, MO?
Start tomatoes indoors Mar 17 and plant out May 5 in Ozark. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Ozark?
Two: plant Mar 24 and again by Aug 30; both mature before Oct 28.
When do I plant garlic in Ozark?
Oct 21 to Nov 11; it overwinters and is ready the following summer.
Can I get two tomato crops in Ozark?
Yes: plant out May 5 for a summer crop, and set out a second round of transplants by Jun 21 for a fall crop.
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