Cologne, NJ frost dates
How Cologne compares
- In 8 years out of 10, the last spring frost in Cologne falls between April 2 and May 5, a 33-day window. The first fall frost falls between October 13 and November 11.
- The median last frost is 2 days 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 101 nights a year at or below 32°F.
- Compared with Vineland, NJ, 34 km away, the last frost here is 6 days earlier than there and the growing season is 12 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 2 |
| 50% (median) | April 18 |
| 10% (safe for tender plants) | May 5 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 13 |
| 50% (median) | October 29 |
| 90% (late) | November 11 |
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 Cologne, NJ
Cologne, NJ frost dates — last frost Apr 18, first frost Oct 29, zone 7a. whenisthelastfrost.com
When to plant vegetables in Cologne, NJ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 24 – Feb 7 | Mar 21 – Apr 4 | — | — |
| Peppers | Feb 7 – Feb 21 | May 2 – May 16 | — | — |
| Eggplant | Feb 7 – Feb 21 | May 2 – May 16 | — | — |
| Tomatoes | Feb 21 – Mar 7 | Apr 25 – May 9 | — | — |
| Lettuce | Feb 21 – Mar 7 | Mar 28 – Apr 11 | Mar 21 – Apr 25 | Sep 3 – Oct 1 |
| Kale | Feb 21 – Mar 7 | Mar 21 – Apr 4 | Mar 21 – Apr 4 | Aug 20 – Sep 10 |
| Broccoli | Feb 21 – Mar 7 | Apr 4 – Apr 18 | — | Jul 23 – Aug 13 |
| Cabbage | Feb 21 – Mar 7 | Mar 28 – Apr 11 | — | Jul 23 – Aug 13 |
| Cauliflower | Feb 21 – Mar 7 | Apr 4 – Apr 18 | — | Jul 23 – Aug 13 |
| Okra | Mar 7 – Mar 21 | May 9 – May 23 | May 9 – May 23 | — |
| Basil | Mar 7 – Mar 21 | Apr 25 – May 9 | — | — |
| Peas | — | — | Mar 7 – Mar 28 | Aug 6 – Aug 27 |
| Spinach | — | — | Mar 7 – Mar 28 | Sep 3 – Sep 24 |
| Radishes | — | — | Mar 14 – Apr 25 | Sep 17 – Oct 8 |
| Cucumbers | Mar 21 – Mar 28 | May 2 – May 9 | Apr 25 – May 9 | Aug 13 – Aug 27 |
| Zucchini & Summer Squash | Mar 21 – Mar 28 | — | Apr 25 – May 9 | Aug 20 – Sep 3 |
| Winter Squash & Pumpkins | Mar 21 – Mar 28 | — | Apr 25 – May 9 | — |
| Melons & Watermelon | Mar 21 – Mar 28 | May 2 – May 16 | — | — |
| Carrots | — | — | Mar 28 – Apr 25 | Aug 6 – Aug 20 |
| Beets | — | — | Mar 28 – Apr 25 | Aug 20 – Sep 3 |
| Potatoes | — | — | Mar 28 – Apr 18 | — |
| Swiss Chard | — | — | Apr 4 – May 2 | Aug 20 – Sep 3 |
| Cilantro | — | — | Apr 4 – Apr 25 | Sep 3 – Sep 24 |
| Green Beans | — | — | Apr 25 – May 16 | Aug 13 – Aug 27 |
| Sweet Corn | — | — | Apr 25 – May 9 | — |
| Sweet Potatoes | — | May 2 – May 23 | — | — |
| Garlic | — | — | — | Oct 15 – Nov 19 |
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 Atlantic City Intl Ap, NJ weather station, 8 km away (elevation 59 ft (18 m)).
Frost dates near Cologne
- Egg Harbor City Apr 18 · Oct 29
- Pomona Apr 18 · Oct 29
- Port Republic Apr 18 · Oct 29
- Mays Landing Apr 18 · Oct 29
- Elwood Apr 14 · Oct 27
- Absecon Apr 18 · Oct 29
- Oceanville Apr 18 · Oct 29
- Egg Harbor Township Apr 18 · Oct 29
- Leeds Point Mar 26 · Nov 21
- Pleasantville Mar 26 · Nov 22
Frequently asked questions
When is the last frost in Cologne, NJ?
The median last spring frost in Cologne, NJ is April 18. There is still about a 10% chance of frost after May 5, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Cologne, NJ?
The median first fall frost is October 29, with about a 10% chance of frost before October 13.
How long is the growing season in Cologne, NJ?
About 194 days between the median last spring frost and first fall frost.
What planting zone is Cologne, NJ?
Cologne, NJ is in USDA hardiness zone 7a.