Lawrence Township, NJ frost dates
How Lawrence Township compares
- In 8 years out of 10, the last spring frost in Lawrence Township falls between April 2 and May 6, a 34-day window. The first fall frost falls between October 11 and November 10.
- The median last frost is 1 day later than the New Jersey median of Apr 16.
- Its 194-day growing season is longer than 47% of the 582 New Jersey places with a regular frost season (state median 194 days).
- The last frost is typical for zone 7a, where the median is Apr 16.
- The weather station records an average of 109 nights a year at or below 32°F.
- Lawrence Township shares its weather station with Trenton, NJ, 5 km away, so the two have the same frost dates.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 2 |
| 50% (median) | April 17 |
| 10% (safe for tender plants) | May 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 11 |
| 50% (median) | October 28 |
| 90% (late) | November 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 Lawrence Township, NJ
Lawrence Township, NJ frost dates — last frost Apr 17, first frost Oct 28, zone 7a. whenisthelastfrost.com
When to plant vegetables in Lawrence Township, NJ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 23 – Feb 6 | Mar 20 – Apr 3 | — | — |
| Peppers | Feb 6 – Feb 20 | May 1 – May 15 | — | — |
| Eggplant | Feb 6 – Feb 20 | May 1 – May 15 | — | — |
| Tomatoes | Feb 20 – Mar 6 | Apr 24 – May 8 | — | — |
| Lettuce | Feb 20 – Mar 6 | Mar 27 – Apr 10 | Mar 20 – Apr 24 | Sep 2 – Sep 30 |
| Kale | Feb 20 – Mar 6 | Mar 20 – Apr 3 | Mar 20 – Apr 3 | Aug 19 – Sep 9 |
| Broccoli | Feb 20 – Mar 6 | Apr 3 – Apr 17 | — | Jul 22 – Aug 12 |
| Cabbage | Feb 20 – Mar 6 | Mar 27 – Apr 10 | — | Jul 22 – Aug 12 |
| Cauliflower | Feb 20 – Mar 6 | Apr 3 – Apr 17 | — | Jul 22 – Aug 12 |
| Okra | Mar 6 – Mar 20 | May 8 – May 22 | May 8 – May 22 | — |
| Basil | Mar 6 – Mar 20 | Apr 24 – May 8 | — | — |
| Peas | — | — | Mar 6 – Mar 27 | Aug 5 – Aug 26 |
| Spinach | — | — | Mar 6 – Mar 27 | Sep 2 – Sep 23 |
| Radishes | — | — | Mar 13 – Apr 24 | Sep 16 – Oct 7 |
| Cucumbers | Mar 20 – Mar 27 | May 1 – May 8 | Apr 24 – May 8 | Aug 12 – Aug 26 |
| Zucchini & Summer Squash | Mar 20 – Mar 27 | — | Apr 24 – May 8 | Aug 19 – Sep 2 |
| Winter Squash & Pumpkins | Mar 20 – Mar 27 | — | Apr 24 – May 8 | — |
| Melons & Watermelon | Mar 20 – Mar 27 | May 1 – May 15 | — | — |
| Carrots | — | — | Mar 27 – Apr 24 | Aug 5 – Aug 19 |
| Beets | — | — | Mar 27 – Apr 24 | Aug 19 – Sep 2 |
| Potatoes | — | — | Mar 27 – Apr 17 | — |
| Swiss Chard | — | — | Apr 3 – May 1 | Aug 19 – Sep 2 |
| Cilantro | — | — | Apr 3 – Apr 24 | Sep 2 – Sep 23 |
| Green Beans | — | — | Apr 24 – May 15 | Aug 12 – Aug 26 |
| Sweet Corn | — | — | Apr 24 – May 8 | — |
| Sweet Potatoes | — | May 1 – May 22 | — | — |
| Garlic | — | — | — | Oct 14 – Nov 18 |
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 Trenton State College, NJ weather station, 7 km away (elevation 102 ft (31 m)).
Frost dates near Lawrence Township
- Joint Base Mdl Apr 17 · Oct 28
- Trenton Apr 17 · Oct 28
- Millstone Township Apr 25 · Oct 16
- Bordentown Apr 17 · Oct 28
- Princeton Junction Apr 25 · Oct 16
- Roebling Apr 15 · Oct 29
- Florence Apr 15 · Oct 29
- Pennington Apr 10 · Nov 1
- Windsor Apr 25 · Oct 16
- Chesterfield Apr 25 · Oct 16
Frequently asked questions
When is the last frost in Lawrence Township, NJ?
The median last spring frost in Lawrence Township, NJ is April 17. There is still about a 10% chance of frost after May 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lawrence Township, NJ?
The median first fall frost is October 28, with about a 10% chance of frost before October 11.
How long is the growing season in Lawrence Township, NJ?
About 194 days between the median last spring frost and first fall frost.
What planting zone is Lawrence Township, NJ?
Lawrence Township, NJ is in USDA hardiness zone 7a.