Frost dates for 49654Leland, MI
The average last spring frost in Leland is May 9 and the average first fall frost is October 26, giving a typical growing season of about 169 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 9
- Average first fall frost
- Oct 26
- Growing season
- 169 days
Safer after May 24 (1-in-10 risk)
Possible by Oct 11 (1-in-10 risk)
Last frost typically in 188 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 8 · May 23 · Jun 5 | Sep 26 · Oct 10 · Oct 25 | 140 days | 100% |
| Frost / freeze (32°F) | Apr 24 · May 9 · May 24 | Oct 11 · Oct 26 · Nov 10 | 169 days | 100% |
| Hard freeze (28°F) | Apr 12 · Apr 27 · May 12 | Oct 25 · Nov 8 · Nov 23 | 194 days | 100% |
Planting calendar for Leland
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 8 – Jun 14 |
| Tomatoes | Transplant outdoors | May 25 – Jul 6 |
| Peppers | Start seeds indoors | Apr 8 – May 9 |
| Peppers | Transplant outdoors | Jun 8 – Jul 9 |
| Eggplant | Start seeds indoors | Apr 25 – May 24 |
| Eggplant | Transplant outdoors | Jun 8 – Jul 9 |
| Cucumbers | Sow outdoors | Jun 8 – Jul 16 |
| Summer squash | Sow outdoors | May 25 – Jul 9 |
| Winter squash & pumpkins | Sow outdoors | Jun 8 – Jul 9 |
| Snap beans | Sow outdoors | May 25 – Aug 8 |
| Sweet corn | Sow outdoors | May 25 – Jul 6 |
| Watermelon & cantaloupe | Sow outdoors | Jun 8 – Jul 9 |
| Okra | Sow outdoors | Jun 1 – Jun 24 |
| Peas | Sow outdoors (spring) | Apr 8 – May 24 |
| Potatoes | Plant outdoors (spring) | Apr 8 – Jun 8 |
| Onions | Start seeds indoors (spring) | Feb 25 – Mar 24 |
| Onions | Transplant outdoors (spring) | Apr 25 – May 24 |
| Broccoli | Start seeds indoors (spring) | Mar 21 – Apr 24 |
| Broccoli | Transplant outdoors (spring) | Apr 25 – May 24 |
| Broccoli | Start seeds indoors (fall) | Jun 26 – Jul 6 |
| Broccoli | Transplant outdoors (fall) | Jul 26 – Aug 6 |
| Cabbage | Start seeds indoors (spring) | Mar 11 – Apr 8 |
| Cabbage | Transplant outdoors (spring) | Apr 8 – May 9 |
| Cabbage | Start seeds indoors (fall) | Jun 16 – Jul 16 |
| Cabbage | Transplant outdoors (fall) | Jul 16 – Aug 16 |
| Leaf lettuce | Sow outdoors (spring) | Apr 8 – Jun 24 |
| Leaf lettuce | Sow outdoors (fall) | Jul 16 – Sep 1 |
| Spinach | Sow outdoors (spring) | Apr 1 – May 15 |
| Spinach | Sow outdoors (fall) | Aug 2 – Sep 6 |
| Radishes | Sow outdoors (spring) | Apr 8 – May 29 |
| Radishes | Sow outdoors (fall) | Jul 16 – Sep 16 |
| Kale | Sow outdoors (spring) | Apr 25 – May 15 |
| Kale | Sow outdoors (fall) | Jul 9 – Aug 16 |
| Carrots | Sow outdoors (spring) | May 9 – Jun 24 |
| Carrots | Sow outdoors (fall) | Jun 16 – Aug 1 |
| Garlic | Plant outdoors (fall) | Oct 16 – Nov 16 |
Where these dates come from
ZIP code 49654 is matched to the NOAA station Northport 2W, MI, 27.5 km away, at 746 ft elevation (152 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Northport 2W, MI (used) | 746 ft | May 9 | Oct 26 |
| Maple City 1E, MI | 799 ft | May 22 | Oct 9 |
| Nw Michigan Rsch Farm, MI | 820 ft | Apr 30 | Nov 1 |
| Old Mission 3Ssw, MI | 656 ft | May 13 | Oct 19 |
Frost dates near Leland
- Lake Leelanau, MI 49653 · last Apr 30, first Nov 1
- Glen Arbor, MI 49636 · last May 22, first Oct 9
- Maple City, MI 49664 · last May 22, first Oct 9
- Cedar, MI 49621 · last May 22, first Oct 9
- Empire, MI 49630 · last May 22, first Oct 9
- Northport, MI 49670 · last May 9, first Oct 26
- Suttons Bay, MI 49682 · last Apr 30, first Nov 1
- Omena, MI 49674 · last May 9, first Oct 26
Frequently asked questions
- When is the last frost in Leland, MI?
- For ZIP code 49654, the average last spring frost (32°F) is May 9, based on NOAA 1991-2020 climate normals for the Northport 2W, MI weather station. There is a 1-in-10 chance of a frost after May 24.
- When is the first frost in Leland, MI?
- The average first fall frost (32°F) is October 26. There is a 1-in-10 chance of frost by October 11, so tender plants are at risk from that point on.
- How long is the growing season in 49654?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 169 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.