Frost dates for 49319Cedar Springs, MI
The average last spring frost in Cedar Springs is May 18 and the average first fall frost is September 28, giving a typical growing season of about 133 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 18
- Average first fall frost
- Sep 28
- Growing season
- 133 days
Safer after Jun 3 (1-in-10 risk)
Possible by Sep 15 (1-in-10 risk)
Last frost typically in 196 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 14 · Jun 1 · Jun 18 | Sep 3 · Sep 19 · Oct 2 | 109 days | 100% |
| Frost / freeze (32°F) | Apr 29 · May 18 · Jun 3 | Sep 15 · Sep 28 · Oct 10 | 133 days | 100% |
| Hard freeze (28°F) | Apr 21 · May 4 · May 23 | Sep 24 · Oct 7 · Oct 23 | 155 days | 100% |
Planting calendar for Cedar Springs
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 17 – Jun 23 |
| Tomatoes | Transplant outdoors | Jun 3 – Jun 8 |
| Peppers | Start seeds indoors | Apr 17 – May 18 |
| Peppers | Transplant outdoors | Jun 17 – Jul 18 |
| Eggplant | Start seeds indoors | May 4 – Jun 2 |
| Eggplant | Transplant outdoors | Jun 17 – Jul 18 |
| Cucumbers | Sow outdoors | Jun 17 – Jun 18 |
| Summer squash | Sow outdoors | Jun 3 – Jul 18 |
| Winter squash & pumpkins | Sow outdoors | Jun 17 – Jul 18 |
| Snap beans | Sow outdoors | Jun 3 – Jul 11 |
| Sweet corn | Sow outdoors | Jun 3 – Jun 8 |
| Watermelon & cantaloupe | Sow outdoors | Jun 17 – Jul 18 |
| Okra | Sow outdoors | Jun 10 – Jul 3 |
| Peas | Sow outdoors (spring) | Apr 17 – Jun 2 |
| Potatoes | Plant outdoors (spring) | Apr 17 – Jun 17 |
| Onions | Start seeds indoors (spring) | Mar 6 – Apr 2 |
| Onions | Transplant outdoors (spring) | May 4 – Jun 2 |
| Broccoli | Start seeds indoors (spring) | Mar 30 – May 3 |
| Broccoli | Transplant outdoors (spring) | May 4 – Jun 2 |
| Broccoli | Start seeds indoors (fall) | May 29 – Jun 8 |
| Broccoli | Transplant outdoors (fall) | Jun 28 – Jul 9 |
| Cabbage | Start seeds indoors (spring) | Mar 20 – Apr 17 |
| Cabbage | Transplant outdoors (spring) | Apr 17 – May 18 |
| Cabbage | Start seeds indoors (fall) | May 19 – Jun 18 |
| Cabbage | Transplant outdoors (fall) | Jun 18 – Jul 19 |
| Leaf lettuce | Sow outdoors (spring) | Apr 17 – Jul 3 |
| Leaf lettuce | Sow outdoors (fall) | Jun 18 – Aug 4 |
| Spinach | Sow outdoors (spring) | Apr 10 – May 24 |
| Spinach | Sow outdoors (fall) | Jul 5 – Aug 9 |
| Radishes | Sow outdoors (spring) | Apr 17 – Jun 7 |
| Radishes | Sow outdoors (fall) | Jun 18 – Aug 19 |
| Kale | Sow outdoors (spring) | May 4 – May 24 |
| Kale | Sow outdoors (fall) | Jun 11 – Jul 19 |
| Carrots | Sow outdoors (spring) | May 18 – Jul 3 |
| Carrots | Sow outdoors (fall) | May 19 – Jul 4 |
| Garlic | Plant outdoors (fall) | Sep 18 – Oct 19 |
Where these dates come from
ZIP code 49319 is matched to the NOAA station Greenville 2 Nne, MI, 24.6 km away, at 882 ft elevation (9 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Greenville 2 Nne, MI (used) | 882 ft | May 18 | Sep 28 |
| Kent City 2 Sw, MI | 840 ft | May 14 | Sep 29 |
| E Grand Rapids, MI | 746 ft | May 6 | Oct 10 |
| Grand Rapids, MI | 778 ft | Apr 29 | Oct 20 |
Frost dates near Cedar Springs
- Sand Lake, MI 49343 · last May 18, first Sep 28
- Rockford, MI 49351 · last Apr 29, first Oct 20
- Pierson, MI 49339 · last May 18, first Sep 28
- Sparta, MI 49345 · last May 14, first Sep 29
- Kent City, MI 49330 · last May 14, first Sep 29
- Belmont, MI 49306 · last Apr 29, first Oct 20
- Cannonsburg, MI 49317 · last Apr 29, first Oct 20
- Trufant, MI 49347 · last May 18, first Sep 28
Frequently asked questions
- When is the last frost in Cedar Springs, MI?
- For ZIP code 49319, the average last spring frost (32°F) is May 18, based on NOAA 1991-2020 climate normals for the Greenville 2 Nne, MI weather station. There is a 1-in-10 chance of a frost after June 3.
- When is the first frost in Cedar Springs, MI?
- The average first fall frost (32°F) is September 28. There is a 1-in-10 chance of frost by September 15, so tender plants are at risk from that point on.
- How long is the growing season in 49319?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 133 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.