Frost dates for 49279Sand Creek, MI
The average last spring frost in Sand Creek is April 27 and the average first fall frost is October 20, giving a typical growing season of about 173 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 27
- Average first fall frost
- Oct 20
- Growing season
- 173 days
Safer after May 14 (1-in-10 risk)
Possible by Oct 4 (1-in-10 risk)
Last frost typically in 176 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) | Apr 24 · May 7 · May 24 | Sep 23 · Oct 6 · Oct 20 | 149 days | 100% |
| Frost / freeze (32°F) | Apr 13 · Apr 27 · May 14 | Oct 4 · Oct 20 · Nov 1 | 173 days | 100% |
| Hard freeze (28°F) | Apr 3 · Apr 16 · May 4 | Oct 18 · Oct 31 · Nov 13 | 196 days | 100% |
Planting calendar for Sand Creek
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 | Mar 27 – Jun 2 |
| Tomatoes | Transplant outdoors | May 13 – Jun 30 |
| Peppers | Start seeds indoors | Mar 27 – Apr 27 |
| Peppers | Transplant outdoors | May 27 – Jun 27 |
| Eggplant | Start seeds indoors | Apr 13 – May 12 |
| Eggplant | Transplant outdoors | May 27 – Jun 27 |
| Cucumbers | Sow outdoors | May 27 – Jul 10 |
| Summer squash | Sow outdoors | May 13 – Jun 27 |
| Winter squash & pumpkins | Sow outdoors | May 27 – Jun 27 |
| Snap beans | Sow outdoors | May 13 – Aug 2 |
| Sweet corn | Sow outdoors | May 13 – Jun 30 |
| Watermelon & cantaloupe | Sow outdoors | May 27 – Jun 27 |
| Okra | Sow outdoors | May 20 – Jun 12 |
| Peas | Sow outdoors (spring) | Mar 27 – May 12 |
| Potatoes | Plant outdoors (spring) | Mar 27 – May 27 |
| Onions | Start seeds indoors (spring) | Feb 13 – Mar 12 |
| Onions | Transplant outdoors (spring) | Apr 13 – May 12 |
| Broccoli | Start seeds indoors (spring) | Mar 9 – Apr 12 |
| Broccoli | Transplant outdoors (spring) | Apr 13 – May 12 |
| Broccoli | Start seeds indoors (fall) | Jun 20 – Jun 30 |
| Broccoli | Transplant outdoors (fall) | Jul 20 – Jul 31 |
| Cabbage | Start seeds indoors (spring) | Feb 27 – Mar 27 |
| Cabbage | Transplant outdoors (spring) | Mar 27 – Apr 27 |
| Cabbage | Start seeds indoors (fall) | Jun 10 – Jul 10 |
| Cabbage | Transplant outdoors (fall) | Jul 10 – Aug 10 |
| Leaf lettuce | Sow outdoors (spring) | Mar 27 – Jun 12 |
| Leaf lettuce | Sow outdoors (fall) | Jul 10 – Aug 26 |
| Spinach | Sow outdoors (spring) | Mar 20 – May 3 |
| Spinach | Sow outdoors (fall) | Jul 27 – Aug 31 |
| Radishes | Sow outdoors (spring) | Mar 27 – May 17 |
| Radishes | Sow outdoors (fall) | Jul 10 – Sep 10 |
| Kale | Sow outdoors (spring) | Apr 13 – May 3 |
| Kale | Sow outdoors (fall) | Jul 3 – Aug 10 |
| Carrots | Sow outdoors (spring) | Apr 27 – Jun 12 |
| Carrots | Sow outdoors (fall) | Jun 10 – Jul 26 |
| Garlic | Plant outdoors (fall) | Oct 10 – Nov 10 |
Where these dates come from
ZIP code 49279 is matched to the NOAA station Adrian Lenawee Co Ap, MI, 5 km away, at 796 ft elevation (18 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Adrian Lenawee Co Ap, MI (used) | 796 ft | Apr 27 | Oct 20 |
| Adrian 2 Nne, MI | 760 ft | May 1 | Oct 15 |
| Morenci, MI | 770 ft | May 4 | Oct 7 |
| Blissfield 1Nne, MI | 690 ft | Apr 29 | Oct 13 |
Frost dates near Sand Creek
- Weston, MI 49289 · last May 4, first Oct 7
- Adrian, MI 49221 · last May 1, first Oct 15
- Clayton, MI 49235 · last Apr 27, first Oct 20
- Jasper, MI 49248 · last Apr 27, first Oct 20
- Morenci, MI 49256 · last May 4, first Oct 7
- Lyons, OH 43533 · last May 4, first Oct 7
- Palmyra, MI 49268 · last May 1, first Oct 15
- Blissfield, MI 49228 · last Apr 29, first Oct 13
Frequently asked questions
- When is the last frost in Sand Creek, MI?
- For ZIP code 49279, the average last spring frost (32°F) is April 27, based on NOAA 1991-2020 climate normals for the Adrian Lenawee Co Ap, MI weather station. There is a 1-in-10 chance of a frost after May 14.
- When is the first frost in Sand Creek, MI?
- The average first fall frost (32°F) is October 20. There is a 1-in-10 chance of frost by October 4, so tender plants are at risk from that point on.
- How long is the growing season in 49279?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 173 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.