Northfield, NJ frost dates
Last spring frostMar 26median date
First fall frostNov 22median date
Growing season241 daysfrost-free
Hardiness zone7bZone 7b
How Northfield compares
- In 8 years out of 10, the last spring frost in Northfield falls between March 9 and April 7, a 29-day window. The first fall frost falls between November 7 and December 10.
- The median last frost is 21 days earlier than the New Jersey median of Apr 16.
- Its 241-day growing season is among the longest of the 582 New Jersey places with a regular frost season.
- The last frost is 10 days earlier than the zone 7b median of Apr 5. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7b chart.
- The weather station records an average of 42 nights a year at or below 32°F.
- Compared with Vineland, NJ, 40 km away, the last frost here is 29 days earlier than there and the growing season is 59 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 9 |
| 50% (median) | March 26 |
| 10% (safe for tender plants) | April 7 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 7 |
| 50% (median) | November 22 |
| 90% (late) | December 10 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Northfield, NJ
Northfield, NJ frost dates — last frost Mar 26, first frost Nov 22, zone 7b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Jan 1 to Jan 15Transplant outside: Feb 26 to Mar 12
Start indoors: Jan 15 to Jan 29Transplant outside: Apr 9 to Apr 23
Start indoors: Jan 15 to Jan 29Transplant outside: Apr 9 to Apr 23
Start indoors: Jan 29 to Feb 12Transplant outside: Apr 2 to Apr 16
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 5 to Mar 19Sow outdoors: Feb 26 to Apr 2Plant for fall: Sep 27 to Oct 25
Start indoors: Jan 29 to Feb 12Transplant outside: Feb 26 to Mar 12Sow outdoors: Feb 26 to Mar 12Plant for fall: Sep 13 to Oct 4
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 12 to Mar 26Plant for fall: Aug 16 to Sep 6
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 5 to Mar 19Plant for fall: Aug 16 to Sep 6
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 12 to Mar 26Plant for fall: Aug 16 to Sep 6
Start indoors: Feb 12 to Feb 26Transplant outside: Apr 16 to Apr 30Sow outdoors: Apr 16 to Apr 30
Start indoors: Feb 12 to Feb 26Transplant outside: Apr 2 to Apr 16
Sow outdoors: Feb 12 to Mar 5Plant for fall: Aug 30 to Sep 20
Sow outdoors: Feb 12 to Mar 5Plant for fall: Sep 27 to Oct 18
Sow outdoors: Feb 19 to Apr 2Plant for fall: Oct 11 to Nov 1
Start indoors: Feb 26 to Mar 5Transplant outside: Apr 9 to Apr 16Sow outdoors: Apr 2 to Apr 16Plant for fall: Sep 6 to Sep 20
Start indoors: Feb 26 to Mar 5Sow outdoors: Apr 2 to Apr 16Plant for fall: Sep 13 to Sep 27
Start indoors: Feb 26 to Mar 5Sow outdoors: Apr 2 to Apr 16
Start indoors: Feb 26 to Mar 5Transplant outside: Apr 9 to Apr 23
Sow outdoors: Mar 5 to Apr 2Plant for fall: Aug 30 to Sep 13
Sow outdoors: Mar 5 to Apr 2Plant for fall: Sep 13 to Sep 27
Sow outdoors: Mar 5 to Mar 26
Sow outdoors: Mar 12 to Apr 9Plant for fall: Sep 13 to Sep 27
Sow outdoors: Mar 12 to Apr 2Plant for fall: Sep 27 to Oct 18
Sow outdoors: Apr 2 to Apr 23Plant for fall: Sep 6 to Sep 20
Sow outdoors: Apr 2 to Apr 16
Transplant outside: Apr 9 to Apr 30
Plant for fall: Nov 8 to Dec 13
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Northfield, NJ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 1 – Jan 15 | Feb 26 – Mar 12 | — | — |
| Peppers | Jan 15 – Jan 29 | Apr 9 – Apr 23 | — | — |
| Eggplant | Jan 15 – Jan 29 | Apr 9 – Apr 23 | — | — |
| Tomatoes | Jan 29 – Feb 12 | Apr 2 – Apr 16 | — | — |
| Lettuce | Jan 29 – Feb 12 | Mar 5 – Mar 19 | Feb 26 – Apr 2 | Sep 27 – Oct 25 |
| Kale | Jan 29 – Feb 12 | Feb 26 – Mar 12 | Feb 26 – Mar 12 | Sep 13 – Oct 4 |
| Broccoli | Jan 29 – Feb 12 | Mar 12 – Mar 26 | — | Aug 16 – Sep 6 |
| Cabbage | Jan 29 – Feb 12 | Mar 5 – Mar 19 | — | Aug 16 – Sep 6 |
| Cauliflower | Jan 29 – Feb 12 | Mar 12 – Mar 26 | — | Aug 16 – Sep 6 |
| Okra | Feb 12 – Feb 26 | Apr 16 – Apr 30 | Apr 16 – Apr 30 | — |
| Basil | Feb 12 – Feb 26 | Apr 2 – Apr 16 | — | — |
| Peas | — | — | Feb 12 – Mar 5 | Aug 30 – Sep 20 |
| Spinach | — | — | Feb 12 – Mar 5 | Sep 27 – Oct 18 |
| Radishes | — | — | Feb 19 – Apr 2 | Oct 11 – Nov 1 |
| Cucumbers | Feb 26 – Mar 5 | Apr 9 – Apr 16 | Apr 2 – Apr 16 | Sep 6 – Sep 20 |
| Zucchini & Summer Squash | Feb 26 – Mar 5 | — | Apr 2 – Apr 16 | Sep 13 – Sep 27 |
| Winter Squash & Pumpkins | Feb 26 – Mar 5 | — | Apr 2 – Apr 16 | — |
| Melons & Watermelon | Feb 26 – Mar 5 | Apr 9 – Apr 23 | — | — |
| Carrots | — | — | Mar 5 – Apr 2 | Aug 30 – Sep 13 |
| Beets | — | — | Mar 5 – Apr 2 | Sep 13 – Sep 27 |
| Potatoes | — | — | Mar 5 – Mar 26 | — |
| Swiss Chard | — | — | Mar 12 – Apr 9 | Sep 13 – Sep 27 |
| Cilantro | — | — | Mar 12 – Apr 2 | Sep 27 – Oct 18 |
| Green Beans | — | — | Apr 2 – Apr 23 | Sep 6 – Sep 20 |
| Sweet Corn | — | — | Apr 2 – Apr 16 | — |
| Sweet Potatoes | — | Apr 9 – Apr 30 | — | — |
| Garlic | — | — | — | Nov 8 – Dec 13 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Margate, NJ weather station, 6 km away (elevation 16 ft (5 m)).
Frost dates near Northfield
- Linwood Mar 26 · Nov 22
- Pleasantville Mar 26 · Nov 22
- Egg Harbor Township Apr 18 · Oct 29
- Longport Mar 26 · Nov 22
- Margate City Mar 26 · Nov 22
- Somers Point Mar 26 · Nov 22
- Ventnor City Mar 26 · Nov 22
- Absecon Apr 18 · Oct 29
- Atlantic City Mar 26 · Nov 21
- Ocean City Mar 26 · Nov 22
Frequently asked questions
When is the last frost in Northfield, NJ?
The median last spring frost in Northfield, NJ is March 26. There is still about a 10% chance of frost after April 7, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Northfield, NJ?
The median first fall frost is November 22, with about a 10% chance of frost before November 7.
How long is the growing season in Northfield, NJ?
About 241 days between the median last spring frost and first fall frost.
What planting zone is Northfield, NJ?
Northfield, NJ is in USDA hardiness zone 7b.