Frost Dates for Champlin, MN 55316
Last spring frost May 9 · First fall frost September 27 · 141 frost-free days · USDA Zone 5a
ZIP 55316 has about 23,300 people.
Moderate season: 141 frost-free days. Spring frost risk spans April 23–May 22 (29 days). Fall frost risk spans September 16–October 8 (22 days).
Frost probability for 55316
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 22 | May 9 | April 23 |
| Fall (first frost) | September 16 | September 27 | October 8 |
Dates come from NOAA 1971–2000 freeze probabilities at CAMBRIDGE (44.6 km away); the 50% date is the median year.
Which crops fit a 141-day season in Champlin
In Champlin (141 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 4 | May 23–May 30 | 99 | fits: 80 days to maturity, 99 available after May 23. | May 28 |
| Pepper | Mar 28 | May 23–May 30 | 99 | fits: 75 days to maturity, 99 available after May 23. | Jun 2 |
| Lettuce | Mar 14 | Apr 11–Apr 18 | 176 | two-plantings: Plant Apr 11 and again by Aug 6; both mature before Oct 4. | Aug 6 |
| Carrots | — | Apr 18–Apr 25 | 183 | fits: 70 days to maturity, 183 available after Apr 18. | Jul 26 |
| Cucumber | Apr 18 | May 23–May 30 | 113 | fits: 60 days to maturity, 113 available after May 23. | Jul 1 |
| Beans | — | May 16–May 30 | 127 | fits: 60 days to maturity, 127 available after May 16. | Jul 8 |
| Peas | — | Mar 14–May 23 | 204 | fits: 65 days to maturity, 204 available after Mar 14. | Jul 17 |
| Zucchini | Apr 25 | May 23–May 30 | 113 | fits: 55 days to maturity, 113 available after May 23. | Jul 6 |
| Onion | Feb 14 | Apr 11–Apr 25 | 176 | fits: 100 days to maturity, 176 available after Apr 11. | — |
| Spinach | — | Mar 14–May 2 | 218 | two-plantings: Plant Mar 14 and again by Aug 25; both mature before Oct 18. | Aug 25 |
| Kale | Feb 28 | Apr 11–Apr 25 | 190 | two-plantings: Plant Apr 11 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Broccoli | Mar 14 | Apr 11–Apr 25 | 176 | fits: 80 days to maturity, 176 available after Apr 11. | Jul 2 |
| Cabbage | Mar 14 | Apr 11–Apr 25 | 190 | fits: 70 days to maturity, 190 available after Apr 11. | Jul 26 |
| Radish | — | Mar 14–Jun 6 | 204 | two-plantings: Plant Mar 14 and again by Aug 26; both mature before Oct 4. | Aug 26 |
| Beets | — | Mar 14–Jun 6 | 204 | two-plantings: Plant Mar 14 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Potatoes | — | Apr 25–May 2 | 162 | fits: 90 days to maturity, 162 available after Apr 25. | — |
| Garlic | — | Sep 27 | 246 | overwinter: Plant Sep 27 to Oct 18; harvest the following summer. | Oct 18 |
| Strawberry | — | Apr 4–May 30 | 197 | perennial: A perennial: plant Apr 4; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 11 | May 16–May 23 | 113 | fits: 75 days to maturity, 113 available after May 16. | Jun 9 |
| Pumpkin | Apr 25 | May 23–May 23 | 106 | fits: 100 days to maturity, 106 available after May 23. | — |
| Cauliflower | Mar 28 | May 2–May 16 | 155 | fits: 75 days to maturity, 155 available after May 2. | Jul 7 |
| Swiss Chard | Mar 14 | Apr 25–Apr 25 | 162 | two-plantings: Plant Apr 25 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Arugula | — | Mar 14–Jun 6 | 218 | two-plantings: Plant Mar 14 and again by Aug 25; both mature before Oct 18. | Aug 25 |
| Brussel Sprouts | Mar 14 | Apr 11–Apr 25 | 190 | fits: 100 days to maturity, 190 available after Apr 11. | Jun 26 |
| Butternut Squash | Apr 25 | May 23–May 30 | 106 | fits: 100 days to maturity, 106 available after May 23. | — |
| Eggplant | Mar 21 | May 23–May 30 | 99 | fits: 70 days to maturity, 99 available after May 23. | Jun 7 |
| Okra | Apr 11 | May 16–May 23 | 120 | fits: 55 days to maturity, 120 available after May 16. | Jul 6 |
| Basil | Apr 4 | May 30–May 30 | 106 | fits: 60 days to maturity, 106 available after May 30. | Jul 1 |
| Cilantro | — | Apr 11–May 2 | 176 | two-plantings: Plant Apr 11 and again by Aug 1; both mature before Oct 4. | Aug 1 |
| Parsley | Feb 28 | May 16–May 23 | 141 | fits: 70 days to maturity, 141 available after May 16. | Jul 12 |
| Celery | Feb 28 | May 16–May 30 | 141 | fits: 120 days to maturity, 141 available after May 16. | May 23 |
| Scallions | Feb 28 | Apr 11–Apr 25 | 190 | two-plantings: Plant Apr 11 and again by Aug 5; both mature before Oct 18. | Aug 5 |
| Turnip | — | Apr 11–Apr 25 | 190 | two-plantings: Plant Apr 11 and again by Aug 15; both mature before Oct 18. | Aug 15 |
| Kohlrabi | — | Mar 28–Apr 11 | 204 | two-plantings: Plant Mar 28 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Bok Choy | Apr 11 | May 2–May 9 | 155 | two-plantings: Plant May 2 and again by Aug 6; both mature before Oct 4. | Aug 6 |
| Collards | Feb 28 | Apr 11–Apr 25 | 190 | two-plantings: Plant Apr 11 and again by Aug 5; both mature before Oct 18. | Aug 5 |
| Cantaloupe | Apr 25 | May 23–May 30 | 99 | fits: 85 days to maturity, 99 available after May 23. | — |
| Chives | Feb 14 | May 16–May 23 | 155 | fits: 90 days to maturity, 155 available after May 16. | — |
| Dill | — | Mar 14–Jun 6 | 204 | two-plantings: Plant Mar 14 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Oregano | Feb 28 | May 16–May 23 | 155 | fits: 80 days to maturity, 155 available after May 16. | — |
| Rosemary | Feb 14 | May 16–May 23 | 141 | fits: 80 days to maturity, 141 available after May 16. | — |
| Sage | Mar 14 | May 16–May 23 | 155 | fits: 75 days to maturity, 155 available after May 16. | — |
| Thyme | Feb 28 | May 16–May 23 | 155 | fits: 90 days to maturity, 155 available after May 16. | — |
| Calendula | Mar 28 | Apr 25–May 9 | 162 | two-plantings: Plant Apr 25 and again by Aug 1; both mature before Oct 4. | Aug 1 |
| Cosmos | Apr 11 | May 9–May 23 | 127 | fits: 60 days to maturity, 127 available after May 9. | Jul 1 |
| Lavender | Feb 14 | May 9–May 23 | 162 | fits: 90 days to maturity, 162 available after May 9. | — |
| Marigolds | Mar 28 | May 9–May 16 | 127 | two-plantings: Plant May 9 and again by Jul 11; both mature before Sep 13. | Jul 11 |
| Melons | Apr 25 | May 23–May 30 | 99 | fits: 85 days to maturity, 99 available after May 23. | — |
| Mint | — | May 9–May 23 | 162 | fits: 90 days to maturity, 162 available after May 9. | — |
| Nasturtiums | Apr 11 | May 9–May 16 | 127 | two-plantings: Plant May 9 and again by Jul 6; both mature before Sep 13. | Jul 6 |
| Pole Beans | — | May 16–May 30 | 120 | fits: 65 days to maturity, 120 available after May 16. | Jun 26 |
| Spaghetti Squash | Apr 25 | May 23–May 30 | 106 | fits: 90 days to maturity, 106 available after May 23. | May 25 |
| Sunflowers | — | May 9–May 23 | 127 | fits: 70 days to maturity, 127 available after May 9. | Jun 21 |
| Tomatillos | Mar 14 | May 16–May 23 | 106 | fits: 75 days to maturity, 106 available after May 16. | Jun 2 |
| Watermelon | Apr 25 | May 16–May 23 | 106 | fits: 80 days to maturity, 106 available after May 16. | May 28 |
| Yellow Squash | Apr 25 | May 23–May 30 | 113 | fits: 55 days to maturity, 113 available after May 23. | Jul 6 |
| Zinnias | Apr 11 | May 9–May 23 | 127 | fits: 60 days to maturity, 127 available after May 9. | Jul 1 |
Month by month in Champlin
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 14), Lavender (Feb 14), Onion (Feb 14), Rosemary (Feb 14), Celery (Feb 28), Collards (Feb 28), +5 more. |
| March | Start indoors: Broccoli (Mar 14), Brussel Sprouts (Mar 14), Cabbage (Mar 14), Lettuce (Mar 14), Sage (Mar 14), Swiss Chard (Mar 14), +6 more. Direct sow from: Arugula (Mar 14), Beets (Mar 14), Dill (Mar 14), Peas (Mar 14), Radish (Mar 14), Spinach (Mar 14), +1 more. |
| April | Start indoors: Basil (Apr 4), Tomato (Apr 4), Bok Choy (Apr 11), Corn (Apr 11), Cosmos (Apr 11), Nasturtiums (Apr 11), +11 more. Direct sow from: Cilantro (Apr 11), Turnip (Apr 11), Carrots (Apr 18), Potatoes (Apr 25). Transplant from: Broccoli (Apr 11), Brussel Sprouts (Apr 11), Cabbage (Apr 11), Collards (Apr 11), Kale (Apr 11), Lettuce (Apr 11), +4 more. Plant: Strawberry (Apr 4). |
| May | Direct sow from: Sunflowers (May 9), Beans (May 16), Pole Beans (May 16). Transplant from: Bok Choy (May 2), Cauliflower (May 2), Cosmos (May 9), Lavender (May 9), Marigolds (May 9), Mint (May 9), +25 more. Last frost around May 9. Last sowing dates: Celery (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 Champlin, MN (ZIP 55316)?
The median last spring frost date for Champlin, MN (ZIP code 55316) is around May 9. 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 Champlin, MN?
The median first fall frost date for Champlin, 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 16 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Champlin, MN?
The frost-free growing season in Champlin is about 141 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 Champlin (141 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 Champlin, MN?
Champlin, MN is in USDA hardiness zone 5a (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 Champlin, MN?
Start tomatoes indoors Apr 4 and plant out May 23 in Champlin. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Champlin?
Two: plant Apr 11 and again by Aug 6; both mature before Oct 4.
When do I plant garlic in Champlin?
Sep 27 to Oct 18; it overwinters and is ready the following summer.
Which nearby ZIP has a longer season?
Osseo (ZIP 55369) has 154 frost-free days, 13 more than Champlin (ZIP 55316). See Osseo ZIP 55369 frost dates
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