Frost dates for 54859Minong, WI
The average last spring frost in Minong is May 22 and the average first fall frost is September 26, giving a typical growing season of about 126 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 22
- Average first fall frost
- Sep 26
- Growing season
- 126 days
Safer after Jun 4 (1-in-10 risk)
Possible by Sep 11 (1-in-10 risk)
Last frost typically in 201 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) | May 20 · Jun 2 · Jun 16 | Aug 31 · Sep 15 · Sep 28 | 102 days | 100% |
| Frost / freeze (32°F) | May 6 · May 22 · Jun 4 | Sep 11 · Sep 26 · Oct 8 | 126 days | 100% |
| Hard freeze (28°F) | Apr 26 · May 9 · May 25 | Sep 21 · Oct 5 · Oct 20 | 148 days | 100% |
Planting calendar for Minong
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 21 – Jun 27 |
| Tomatoes | Transplant outdoors | Jun 7 – Jun 6 |
| Peppers | Start seeds indoors | Apr 21 – May 22 |
| Peppers | Transplant outdoors | Jun 21 – Jul 22 |
| Eggplant | Start seeds indoors | May 8 – Jun 6 |
| Eggplant | Transplant outdoors | Jun 21 – Jul 22 |
| Cucumbers | Sow outdoors | Jun 21 – Jun 16 |
| Summer squash | Sow outdoors | Jun 7 – Jul 22 |
| Winter squash & pumpkins | Sow outdoors | Jun 21 – Jul 22 |
| Snap beans | Sow outdoors | Jun 7 – Jul 9 |
| Sweet corn | Sow outdoors | Jun 7 – Jun 6 |
| Watermelon & cantaloupe | Sow outdoors | Jun 21 – Jul 22 |
| Okra | Sow outdoors | Jun 14 – Jul 7 |
| Peas | Sow outdoors (spring) | Apr 21 – Jun 6 |
| Potatoes | Plant outdoors (spring) | Apr 21 – Jun 21 |
| Onions | Start seeds indoors (spring) | Mar 10 – Apr 6 |
| Onions | Transplant outdoors (spring) | May 8 – Jun 6 |
| Broccoli | Start seeds indoors (spring) | Apr 3 – May 7 |
| Broccoli | Transplant outdoors (spring) | May 8 – Jun 6 |
| Broccoli | Start seeds indoors (fall) | May 27 – Jun 6 |
| Broccoli | Transplant outdoors (fall) | Jun 26 – Jul 7 |
| Cabbage | Start seeds indoors (spring) | Mar 24 – Apr 21 |
| Cabbage | Transplant outdoors (spring) | Apr 21 – May 22 |
| Cabbage | Start seeds indoors (fall) | May 17 – Jun 16 |
| Cabbage | Transplant outdoors (fall) | Jun 16 – Jul 17 |
| Leaf lettuce | Sow outdoors (spring) | Apr 21 – Jul 7 |
| Leaf lettuce | Sow outdoors (fall) | Jun 16 – Aug 2 |
| Spinach | Sow outdoors (spring) | Apr 14 – May 28 |
| Spinach | Sow outdoors (fall) | Jul 3 – Aug 7 |
| Radishes | Sow outdoors (spring) | Apr 21 – Jun 11 |
| Radishes | Sow outdoors (fall) | Jun 16 – Aug 17 |
| Kale | Sow outdoors (spring) | May 8 – May 28 |
| Kale | Sow outdoors (fall) | Jun 9 – Jul 17 |
| Carrots | Sow outdoors (spring) | May 22 – Jul 7 |
| Carrots | Sow outdoors (fall) | May 17 – Jul 2 |
| Garlic | Plant outdoors (fall) | Sep 16 – Oct 17 |
Where these dates come from
ZIP code 54859 is matched to the NOAA station Gordon, WI, 16 km away, at 1,040 ft elevation (10 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Gordon, WI (used) | 1,040 ft | May 22 | Sep 26 |
| Minong 5 Wsw, WI | 1,075 ft | May 10 | Oct 4 |
| Solon Springs, WI | 1,130 ft | May 12 | Oct 2 |
| Hayward Rs, WI | 1,200 ft | May 22 | Sep 23 |
Frost dates near Minong
- Wascott, WI 54890 · last May 22, first Sep 26
- Gordon, WI 54838 · last May 22, first Sep 26
- Trego, WI 54888 · last May 14, first Sep 28
- Springbrook, WI 54875 · last May 22, first Sep 23
- Spooner, WI 54801 · last May 14, first Sep 28
- Solon Springs, WI 54873 · last May 12, first Oct 2
- Danbury, WI 54830 · last May 11, first Sep 30
- Hertel, WI 54845 · last May 14, first Sep 28
Frequently asked questions
- When is the last frost in Minong, WI?
- For ZIP code 54859, the average last spring frost (32°F) is May 22, based on NOAA 1991-2020 climate normals for the Gordon, WI weather station. There is a 1-in-10 chance of a frost after June 4.
- When is the first frost in Minong, WI?
- The average first fall frost (32°F) is September 26. There is a 1-in-10 chance of frost by September 11, so tender plants are at risk from that point on.
- How long is the growing season in 54859?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 126 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.