Frost dates for 55706Babbitt, MN
The average last spring frost in Babbitt is May 28 and the average first fall frost is September 14, giving a typical growing season of about 108 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 28
- Average first fall frost
- Sep 14
- Growing season
- 108 days
Safer after Jun 16 (1-in-10 risk)
Possible by Aug 29 (1-in-10 risk)
Last frost typically in 213 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | — | — | 84 days | 100% |
| Frost / freeze (32°F) | May 11 · May 28 · Jun 16 | Aug 29 · Sep 14 · Sep 29 | 108 days | 100% |
| Hard freeze (28°F) | Apr 29 · May 13 · May 29 | Sep 10 · Sep 26 · Oct 11 | 132 days | 100% |
Planting calendar for Babbitt
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Apr 27 – Jul 3 |
| Tomatoes | Transplant outdoors | Jun 13 – May 25 |
| Peppers | Start seeds indoors | Apr 27 – May 28 |
| Peppers | Transplant outdoors | Jun 27 – Jul 28 |
| Eggplant | Start seeds indoors | May 14 – Jun 12 |
| Eggplant | Transplant outdoors | Jun 27 – Jul 28 |
| Cucumbers | Sow outdoors | Jun 27 – Jun 4 |
| Summer squash | Sow outdoors | Jun 13 – Jul 28 |
| Winter squash & pumpkins | Sow outdoors | Jun 27 – Jul 28 |
| Snap beans | Sow outdoors | Jun 13 – Jun 27 |
| Sweet corn | Sow outdoors | Jun 13 – May 25 |
| Watermelon & cantaloupe | Sow outdoors | Jun 27 – Jul 28 |
| Okra | Sow outdoors | Jun 20 – Jul 13 |
| Peas | Sow outdoors (spring) | Apr 27 – Jun 12 |
| Potatoes | Plant outdoors (spring) | Apr 27 – Jun 27 |
| Onions | Start seeds indoors (spring) | Mar 16 – Apr 12 |
| Onions | Transplant outdoors (spring) | May 14 – Jun 12 |
| Broccoli | Start seeds indoors (spring) | Apr 9 – May 13 |
| Broccoli | Transplant outdoors (spring) | May 14 – Jun 12 |
| Broccoli | Start seeds indoors (fall) | May 15 – May 25 |
| Broccoli | Transplant outdoors (fall) | Jun 14 – Jun 25 |
| Cabbage | Start seeds indoors (spring) | Mar 30 – Apr 27 |
| Cabbage | Transplant outdoors (spring) | Apr 27 – May 28 |
| Cabbage | Start seeds indoors (fall) | May 5 – Jun 4 |
| Cabbage | Transplant outdoors (fall) | Jun 4 – Jul 5 |
| Leaf lettuce | Sow outdoors (spring) | Apr 27 – Jul 13 |
| Leaf lettuce | Sow outdoors (fall) | Jun 4 – Jul 21 |
| Spinach | Sow outdoors (spring) | Apr 20 – Jun 3 |
| Spinach | Sow outdoors (fall) | Jun 21 – Jul 26 |
| Radishes | Sow outdoors (spring) | Apr 27 – Jun 17 |
| Radishes | Sow outdoors (fall) | Jun 4 – Aug 5 |
| Kale | Sow outdoors (spring) | May 14 – Jun 3 |
| Kale | Sow outdoors (fall) | May 28 – Jul 5 |
| Carrots | Sow outdoors (spring) | May 28 – Jul 13 |
| Carrots | Sow outdoors (fall) | May 5 – Jun 20 |
| Garlic | Plant outdoors (fall) | Sep 4 – Oct 5 |
Where these dates come from
ZIP code 55706 is matched to the NOAA station Babbitt, MN, 0.4 km away, at 1,481 ft elevation (5 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Babbitt, MN (used) | 1,481 ft | May 28 | Sep 14 |
| Embarrass, MN | 1,425 ft | — | — |
| Ely, MN | 1,475 ft | May 14 | Sep 29 |
| Ely, MN | 1,382 ft | May 24 | Sep 23 |
Frost dates near Babbitt
- Embarrass, MN 55732 · last —, first —
- Ely, MN 55731 · last May 14, first Sep 29
- Soudan, MN 55782 · last —, first —
- Hoyt Lakes, MN 55750 · last —, first —
- Winton, MN 55796 · last May 24, first Sep 23
- Tower, MN 55790 · last —, first —
- Aurora, MN 55705 · last —, first —
- Isabella, MN 55607 · last May 31, first Sep 15
Frequently asked questions
- When is the last frost in Babbitt, MN?
- For ZIP code 55706, the average last spring frost (32°F) is May 28, based on NOAA 1991-2020 climate normals for the Babbitt, MN weather station. There is a 1-in-10 chance of a frost after June 16.
- When is the first frost in Babbitt, MN?
- The average first fall frost (32°F) is September 14. There is a 1-in-10 chance of frost by August 29, so tender plants are at risk from that point on.
- How long is the growing season in 55706?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 108 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.