Frost dates for 08055Medford, NJ
The average last spring frost in Medford is April 15 and the average first fall frost is October 28, giving a typical growing season of about 195 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 15
- Average first fall frost
- Oct 28
- Growing season
- 195 days
Safer after May 2 (1-in-10 risk)
Possible by Oct 12 (1-in-10 risk)
Last frost typically in 163 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 13 · Apr 28 · May 15 | Oct 4 · Oct 16 · Oct 30 | 170 days | 100% |
| Frost / freeze (32°F) | Mar 31 · Apr 15 · May 2 | Oct 12 · Oct 28 · Nov 9 | 195 days | 100% |
| Hard freeze (28°F) | Mar 16 · Apr 1 · Apr 15 | Oct 25 · Nov 8 · Nov 22 | 222 days | 100% |
Planting calendar for Medford
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 15 – May 21 |
| Tomatoes | Transplant outdoors | May 1 – Jul 8 |
| Peppers | Start seeds indoors | Mar 15 – Apr 15 |
| Peppers | Transplant outdoors | May 15 – Jun 15 |
| Eggplant | Start seeds indoors | Apr 1 – Apr 30 |
| Eggplant | Transplant outdoors | May 15 – Jun 15 |
| Cucumbers | Sow outdoors | May 15 – Jul 18 |
| Summer squash | Sow outdoors | May 1 – Jun 15 |
| Winter squash & pumpkins | Sow outdoors | May 15 – Jun 15 |
| Snap beans | Sow outdoors | May 1 – Aug 10 |
| Sweet corn | Sow outdoors | May 1 – Jul 8 |
| Watermelon & cantaloupe | Sow outdoors | May 15 – Jun 15 |
| Okra | Sow outdoors | May 8 – May 31 |
| Peas | Sow outdoors (spring) | Mar 15 – Apr 30 |
| Potatoes | Plant outdoors (spring) | Mar 15 – May 15 |
| Onions | Start seeds indoors (spring) | Feb 1 – Feb 28 |
| Onions | Transplant outdoors (spring) | Apr 1 – Apr 30 |
| Broccoli | Start seeds indoors (spring) | Feb 25 – Mar 31 |
| Broccoli | Transplant outdoors (spring) | Apr 1 – Apr 30 |
| Broccoli | Start seeds indoors (fall) | Jun 28 – Jul 8 |
| Broccoli | Transplant outdoors (fall) | Jul 28 – Aug 8 |
| Cabbage | Start seeds indoors (spring) | Feb 15 – Mar 15 |
| Cabbage | Transplant outdoors (spring) | Mar 15 – Apr 15 |
| Cabbage | Start seeds indoors (fall) | Jun 18 – Jul 18 |
| Cabbage | Transplant outdoors (fall) | Jul 18 – Aug 18 |
| Leaf lettuce | Sow outdoors (spring) | Mar 15 – May 31 |
| Leaf lettuce | Sow outdoors (fall) | Jul 18 – Sep 3 |
| Spinach | Sow outdoors (spring) | Mar 8 – Apr 21 |
| Spinach | Sow outdoors (fall) | Aug 4 – Sep 8 |
| Radishes | Sow outdoors (spring) | Mar 15 – May 5 |
| Radishes | Sow outdoors (fall) | Jul 18 – Sep 18 |
| Kale | Sow outdoors (spring) | Apr 1 – Apr 21 |
| Kale | Sow outdoors (fall) | Jul 11 – Aug 18 |
| Carrots | Sow outdoors (spring) | Apr 15 – May 31 |
| Carrots | Sow outdoors (fall) | Jun 18 – Aug 3 |
| Garlic | Plant outdoors (fall) | Oct 18 – Nov 18 |
Where these dates come from
ZIP code 08055 is matched to the NOAA station Mt Holly S Jersey Ap, NJ, 9.7 km away, at 53 ft elevation (4 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Mt Holly S Jersey Ap, NJ (used) | 53 ft | Apr 15 | Oct 28 |
| Indian Mills 2 W, NJ | 100 ft | Apr 28 | Oct 15 |
| Moorestown, NJ | 45 ft | Apr 12 | Nov 1 |
| Philadelphia/Mt Holly Wfo, NJ | 63 ft | Apr 15 | Oct 29 |
Frost dates near Medford
- Marlton, NJ 08053 · last Apr 15, first Oct 28
- West Berlin, NJ 08091 · last Apr 28, first Oct 15
- Lumberton, NJ 08048 · last Apr 15, first Oct 28
- Mount Laurel, NJ 08054 · last Apr 12, first Nov 1
- Atco, NJ 08004 · last Apr 28, first Oct 15
- Voorhees, NJ 08043 · last Apr 12, first Nov 1
- Cherry Hill, NJ 08003 · last Apr 12, first Nov 1
- Gibbsboro, NJ 08026 · last Apr 12, first Nov 1
Frequently asked questions
- When is the last frost in Medford, NJ?
- For ZIP code 08055, the average last spring frost (32°F) is April 15, based on NOAA 1991-2020 climate normals for the Mt Holly S Jersey Ap, NJ weather station. There is a 1-in-10 chance of a frost after May 2.
- When is the first frost in Medford, NJ?
- The average first fall frost (32°F) is October 28. There is a 1-in-10 chance of frost by October 12, so tender plants are at risk from that point on.
- How long is the growing season in 08055?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 195 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.