Frost dates for 08214Dennisville, NJ
The average last spring frost in Dennisville is April 24 and the average first fall frost is October 22, giving a typical growing season of about 181 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 24
- Average first fall frost
- Oct 22
- Growing season
- 181 days
Safer after May 18 (1-in-10 risk)
Possible by Oct 8 (1-in-10 risk)
Last frost typically in 172 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 20 · May 7 · May 27 | Oct 1 · Oct 13 · Oct 25 | 158 days | 100% |
| Frost / freeze (32°F) | Apr 5 · Apr 24 · May 18 | Oct 8 · Oct 22 · Nov 3 | 181 days | 100% |
| Hard freeze (28°F) | Mar 23 · Apr 6 · May 3 | Oct 20 · Nov 4 · Nov 18 | 210 days | 100% |
Planting calendar for Dennisville
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 24 – May 30 |
| Tomatoes | Transplant outdoors | May 10 – Jul 2 |
| Peppers | Start seeds indoors | Mar 24 – Apr 24 |
| Peppers | Transplant outdoors | May 24 – Jun 24 |
| Eggplant | Start seeds indoors | Apr 10 – May 9 |
| Eggplant | Transplant outdoors | May 24 – Jun 24 |
| Cucumbers | Sow outdoors | May 24 – Jul 12 |
| Summer squash | Sow outdoors | May 10 – Jun 24 |
| Winter squash & pumpkins | Sow outdoors | May 24 – Jun 24 |
| Snap beans | Sow outdoors | May 10 – Aug 4 |
| Sweet corn | Sow outdoors | May 10 – Jul 2 |
| Watermelon & cantaloupe | Sow outdoors | May 24 – Jun 24 |
| Okra | Sow outdoors | May 17 – Jun 9 |
| Peas | Sow outdoors (spring) | Mar 24 – May 9 |
| Potatoes | Plant outdoors (spring) | Mar 24 – May 24 |
| Onions | Start seeds indoors (spring) | Feb 10 – Mar 9 |
| Onions | Transplant outdoors (spring) | Apr 10 – May 9 |
| Broccoli | Start seeds indoors (spring) | Mar 6 – Apr 9 |
| Broccoli | Transplant outdoors (spring) | Apr 10 – May 9 |
| Broccoli | Start seeds indoors (fall) | Jun 22 – Jul 2 |
| Broccoli | Transplant outdoors (fall) | Jul 22 – Aug 2 |
| Cabbage | Start seeds indoors (spring) | Feb 24 – Mar 24 |
| Cabbage | Transplant outdoors (spring) | Mar 24 – Apr 24 |
| Cabbage | Start seeds indoors (fall) | Jun 12 – Jul 12 |
| Cabbage | Transplant outdoors (fall) | Jul 12 – Aug 12 |
| Leaf lettuce | Sow outdoors (spring) | Mar 24 – Jun 9 |
| Leaf lettuce | Sow outdoors (fall) | Jul 12 – Aug 28 |
| Spinach | Sow outdoors (spring) | Mar 17 – Apr 30 |
| Spinach | Sow outdoors (fall) | Jul 29 – Sep 2 |
| Radishes | Sow outdoors (spring) | Mar 24 – May 14 |
| Radishes | Sow outdoors (fall) | Jul 12 – Sep 12 |
| Kale | Sow outdoors (spring) | Apr 10 – Apr 30 |
| Kale | Sow outdoors (fall) | Jul 5 – Aug 12 |
| Carrots | Sow outdoors (spring) | Apr 24 – Jun 9 |
| Carrots | Sow outdoors (fall) | Jun 12 – Jul 28 |
| Garlic | Plant outdoors (fall) | Oct 12 – Nov 12 |
Where these dates come from
ZIP code 08214 is matched to the NOAA station Belleplain Stn Forest, NJ, 6.3 km away, at 30 ft elevation (23 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Belleplain Stn Forest, NJ (used) | 30 ft | Apr 24 | Oct 22 |
| Estell Manor, NJ | 85 ft | Apr 24 | Oct 22 |
| Cape May 2 Nw, NJ | 20 ft | Apr 1 | Nov 9 |
| Millville Muni Ap, NJ | 70 ft | Apr 24 | Oct 23 |
Frost dates near Dennisville
- South Seaville, NJ 08246 · last Apr 24, first Oct 22
- Goshen, NJ 08218 · last Apr 1, first Nov 9
- Cape May Court House, NJ 08210 · last Apr 1, first Nov 9
- Woodbine, NJ 08270 · last Apr 24, first Oct 22
- Ocean View, NJ 08230 · last Apr 24, first Oct 22
- South Dennis, NJ 08245 · last Apr 1, first Nov 9
- Sea Isle City, NJ 08243 · last Apr 1, first Nov 9
- Tuckahoe, NJ 08250 · last Apr 24, first Oct 22
Frequently asked questions
- When is the last frost in Dennisville, NJ?
- For ZIP code 08214, the average last spring frost (32°F) is April 24, based on NOAA 1991-2020 climate normals for the Belleplain Stn Forest, NJ weather station. There is a 1-in-10 chance of a frost after May 18.
- When is the first frost in Dennisville, NJ?
- The average first fall frost (32°F) is October 22. There is a 1-in-10 chance of frost by October 8, so tender plants are at risk from that point on.
- How long is the growing season in 08214?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 181 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.