Frost Dates for New Prague, MN 56071
Last spring frost May 7 · First fall frost September 27 · 143 frost-free days · USDA Zone 4b
ZIP 56071 has about 13,200 people.
Moderate season: 143 frost-free days. Spring frost risk spans April 23–May 22 (29 days). Fall frost risk spans September 13–October 10 (27 days).
Frost probability for 56071
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 22 | May 7 | April 23 |
| Fall (first frost) | September 13 | September 27 | October 10 |
Dates come from NOAA 1971–2000 freeze probabilities at FARIBAULT (35.5 km away); the 50% date is the median year.
Which crops fit a 143-day season in New Prague
In New Prague (143 frost-free days, a moderate season), 38 of 56 planner crops fit outright, 17 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 2 | May 21–May 28 | 101 | fits: 80 days to maturity, 101 available after May 21. | May 28 |
| Pepper | Mar 26 | May 21–May 28 | 101 | fits: 75 days to maturity, 101 available after May 21. | Jun 2 |
| Lettuce | Mar 12 | Apr 9–Apr 16 | 178 | two-plantings: Plant Apr 9 and again by Aug 6; both mature before Oct 4. | Aug 6 |
| Carrots | — | Apr 16–Apr 23 | 185 | fits: 70 days to maturity, 185 available after Apr 16. | Jul 26 |
| Cucumber | Apr 16 | May 21–May 28 | 115 | fits: 60 days to maturity, 115 available after May 21. | Jul 1 |
| Beans | — | May 14–May 28 | 129 | fits: 60 days to maturity, 129 available after May 14. | Jul 8 |
| Peas | — | Mar 12–May 21 | 206 | fits: 65 days to maturity, 206 available after Mar 12. | Jul 17 |
| Zucchini | Apr 23 | May 21–May 28 | 115 | fits: 55 days to maturity, 115 available after May 21. | Jul 6 |
| Onion | Feb 12 | Apr 9–Apr 23 | 178 | fits: 100 days to maturity, 178 available after Apr 9. | — |
| Spinach | — | Mar 12–Apr 30 | 220 | two-plantings: Plant Mar 12 and again by Aug 25; both mature before Oct 18. | Aug 25 |
| Kale | Feb 26 | Apr 9–Apr 23 | 192 | two-plantings: Plant Apr 9 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Broccoli | Mar 12 | Apr 9–Apr 23 | 178 | fits: 80 days to maturity, 178 available after Apr 9. | Jul 2 |
| Cabbage | Mar 12 | Apr 9–Apr 23 | 192 | fits: 70 days to maturity, 192 available after Apr 9. | Jul 26 |
| Radish | — | Mar 12–Jun 4 | 206 | two-plantings: Plant Mar 12 and again by Aug 26; both mature before Oct 4. | Aug 26 |
| Beets | — | Mar 12–Jun 4 | 206 | two-plantings: Plant Mar 12 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Potatoes | — | Apr 23–Apr 30 | 164 | fits: 90 days to maturity, 164 available after Apr 23. | — |
| Garlic | — | Sep 27 | 248 | overwinter: Plant Sep 27 to Oct 18; harvest the following summer. | Oct 18 |
| Strawberry | — | Apr 2–May 28 | 199 | perennial: A perennial: plant Apr 2; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 9 | May 14–May 21 | 115 | fits: 75 days to maturity, 115 available after May 14. | Jun 9 |
| Pumpkin | Apr 23 | May 21–May 21 | 108 | fits: 100 days to maturity, 108 available after May 21. | — |
| Cauliflower | Mar 26 | Apr 30–May 14 | 157 | fits: 75 days to maturity, 157 available after Apr 30. | Jul 7 |
| Swiss Chard | Mar 12 | Apr 23–Apr 23 | 164 | two-plantings: Plant Apr 23 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Arugula | — | Mar 12–Jun 4 | 220 | two-plantings: Plant Mar 12 and again by Aug 25; both mature before Oct 18. | Aug 25 |
| Brussel Sprouts | Mar 12 | Apr 9–Apr 23 | 192 | fits: 100 days to maturity, 192 available after Apr 9. | Jun 26 |
| Butternut Squash | Apr 23 | May 21–May 28 | 108 | fits: 100 days to maturity, 108 available after May 21. | — |
| Eggplant | Mar 19 | May 21–May 28 | 101 | fits: 70 days to maturity, 101 available after May 21. | Jun 7 |
| Okra | Apr 9 | May 14–May 21 | 122 | fits: 55 days to maturity, 122 available after May 14. | Jul 6 |
| Basil | Apr 2 | May 28–May 28 | 108 | fits: 60 days to maturity, 108 available after May 28. | Jul 1 |
| Cilantro | — | Apr 9–Apr 30 | 178 | two-plantings: Plant Apr 9 and again by Aug 1; both mature before Oct 4. | Aug 1 |
| Parsley | Feb 26 | May 14–May 21 | 143 | fits: 70 days to maturity, 143 available after May 14. | Jul 12 |
| Celery | Feb 26 | May 14–May 28 | 143 | fits: 120 days to maturity, 143 available after May 14. | May 23 |
| Scallions | Feb 26 | Apr 9–Apr 23 | 192 | two-plantings: Plant Apr 9 and again by Aug 5; both mature before Oct 18. | Aug 5 |
| Turnip | — | Apr 9–Apr 23 | 192 | two-plantings: Plant Apr 9 and again by Aug 15; both mature before Oct 18. | Aug 15 |
| Kohlrabi | — | Mar 26–Apr 9 | 206 | two-plantings: Plant Mar 26 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Bok Choy | Apr 9 | Apr 30–May 7 | 157 | two-plantings: Plant Apr 30 and again by Aug 6; both mature before Oct 4. | Aug 6 |
| Collards | Feb 26 | Apr 9–Apr 23 | 192 | two-plantings: Plant Apr 9 and again by Aug 5; both mature before Oct 18. | Aug 5 |
| Cantaloupe | Apr 23 | May 21–May 28 | 101 | fits: 85 days to maturity, 101 available after May 21. | May 23 |
| Chives | Feb 12 | May 14–May 21 | 157 | fits: 90 days to maturity, 157 available after May 14. | — |
| Dill | — | Mar 12–Jun 4 | 206 | two-plantings: Plant Mar 12 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Oregano | Feb 26 | May 14–May 21 | 157 | fits: 80 days to maturity, 157 available after May 14. | — |
| Rosemary | Feb 12 | May 14–May 21 | 143 | fits: 80 days to maturity, 143 available after May 14. | — |
| Sage | Mar 12 | May 14–May 21 | 157 | fits: 75 days to maturity, 157 available after May 14. | — |
| Thyme | Feb 26 | May 14–May 21 | 157 | fits: 90 days to maturity, 157 available after May 14. | — |
| Calendula | Mar 26 | Apr 23–May 7 | 164 | two-plantings: Plant Apr 23 and again by Aug 1; both mature before Oct 4. | Aug 1 |
| Cosmos | Apr 9 | May 7–May 21 | 129 | fits: 60 days to maturity, 129 available after May 7. | Jul 1 |
| Lavender | Feb 12 | May 7–May 21 | 164 | fits: 90 days to maturity, 164 available after May 7. | — |
| Marigolds | Mar 26 | May 7–May 14 | 129 | two-plantings: Plant May 7 and again by Jul 11; both mature before Sep 13. | Jul 11 |
| Melons | Apr 23 | May 21–May 28 | 101 | fits: 85 days to maturity, 101 available after May 21. | May 23 |
| Mint | — | May 7–May 21 | 164 | fits: 90 days to maturity, 164 available after May 7. | — |
| Nasturtiums | Apr 9 | May 7–May 14 | 129 | two-plantings: Plant May 7 and again by Jul 6; both mature before Sep 13. | Jul 6 |
| Pole Beans | — | May 14–May 28 | 122 | fits: 65 days to maturity, 122 available after May 14. | Jun 26 |
| Spaghetti Squash | Apr 23 | May 21–May 28 | 108 | fits: 90 days to maturity, 108 available after May 21. | May 25 |
| Sunflowers | — | May 7–May 21 | 129 | fits: 70 days to maturity, 129 available after May 7. | Jun 21 |
| Tomatillos | Mar 12 | May 14–May 21 | 108 | fits: 75 days to maturity, 108 available after May 14. | Jun 2 |
| Watermelon | Apr 23 | May 14–May 21 | 108 | fits: 80 days to maturity, 108 available after May 14. | May 28 |
| Yellow Squash | Apr 23 | May 21–May 28 | 115 | fits: 55 days to maturity, 115 available after May 21. | Jul 6 |
| Zinnias | Apr 9 | May 7–May 21 | 129 | fits: 60 days to maturity, 129 available after May 7. | Jul 1 |
Month by month in New Prague
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 12), Lavender (Feb 12), Onion (Feb 12), Rosemary (Feb 12), Celery (Feb 26), Collards (Feb 26), +5 more. |
| March | Start indoors: Broccoli (Mar 12), Brussel Sprouts (Mar 12), Cabbage (Mar 12), Lettuce (Mar 12), Sage (Mar 12), Swiss Chard (Mar 12), +6 more. Direct sow from: Arugula (Mar 12), Beets (Mar 12), Dill (Mar 12), Peas (Mar 12), Radish (Mar 12), Spinach (Mar 12), +1 more. |
| April | Start indoors: Basil (Apr 2), Tomato (Apr 2), Bok Choy (Apr 9), Corn (Apr 9), Cosmos (Apr 9), Nasturtiums (Apr 9), +11 more. Direct sow from: Cilantro (Apr 9), Turnip (Apr 9), Carrots (Apr 16), Potatoes (Apr 23). Transplant from: Broccoli (Apr 9), Brussel Sprouts (Apr 9), Cabbage (Apr 9), Collards (Apr 9), Kale (Apr 9), Lettuce (Apr 9), +6 more. Plant: Strawberry (Apr 2). |
| May | Direct sow from: Sunflowers (May 7), Beans (May 14), Pole Beans (May 14). Transplant from: Cosmos (May 7), Lavender (May 7), Marigolds (May 7), Mint (May 7), Nasturtiums (May 7), Zinnias (May 7), +23 more. Last frost around May 7. Last sowing dates: Cantaloupe (May 23), Celery (May 23), Melons (May 23), Spaghetti Squash (May 25), Tomato (May 28), Watermelon (May 28). |
| June | Last sowing dates: Pepper (Jun 2), Tomatillos (Jun 2), Eggplant (Jun 7), Corn (Jun 9), Sunflowers (Jun 21), Brussel Sprouts (Jun 26), +1 more. |
| July | Last sowing dates: Basil (Jul 1), Cosmos (Jul 1), Cucumber (Jul 1), Zinnias (Jul 1), Broccoli (Jul 2), Nasturtiums (Jul 6), +13 more. |
| August | Last sowing dates: Calendula (Aug 1), Cilantro (Aug 1), Collards (Aug 5), Scallions (Aug 5), Bok Choy (Aug 6), Lettuce (Aug 6), +6 more. |
| September | Direct sow from: Garlic (Sep 27). First frost around September 27. |
| October | Last sowing dates: Garlic (Oct 18). |
| November | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
| 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 New Prague, MN (ZIP 56071)?
The median last spring frost date for New Prague, MN (ZIP code 56071) is around May 7. 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 23; one in ten it runs past May 22.
What is the first fall frost date in New Prague, MN?
The median first fall frost date for New Prague, MN is around September 27. 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 13 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in New Prague, MN?
The frost-free growing season in New Prague is about 143 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 New Prague (143 frost-free days, a moderate season), 38 of 56 planner crops fit outright, 17 get two plantings, 1 crop is perennial.
What USDA hardiness zone is New Prague, MN?
New Prague, MN is in USDA hardiness zone 4b (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 New Prague, MN?
Start tomatoes indoors Apr 2 and plant out May 21 in New Prague. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in New Prague?
Two: plant Apr 9 and again by Aug 6; both mature before Oct 4.
When do I plant garlic in New Prague?
Sep 27 to Oct 18; it overwinters and is ready the following summer.
Which nearby ZIP has a longer season?
Jordan (ZIP 55352) has 153 frost-free days, 10 more than New Prague (ZIP 56071). See Jordan ZIP 55352 frost dates
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