Riverside, NJ frost dates
How Riverside compares
- In 8 years out of 10, the last spring frost in Riverside falls between March 21 and April 17, a 27-day window. The first fall frost falls between October 24 and November 22.
- The median last frost is 12 days earlier than the New Jersey median of Apr 16.
- Its 217-day growing season is longer than 90% of the 582 New Jersey places with a regular frost season (state median 194 days).
- The last frost is typical for zone 7b, where the median is Apr 5.
- The weather station records an average of 88 nights a year at or below 32°F.
- Compared with Bensalem, PA, 9 km away, the last frost here is 17 days earlier than there and the growing season is 30 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 21 |
| 50% (median) | April 4 |
| 10% (safe for tender plants) | April 17 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 24 |
| 50% (median) | November 7 |
| 90% (late) | November 22 |
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 Riverside, NJ
Riverside, NJ frost dates — last frost Apr 4, first frost Nov 7, zone 7b. whenisthelastfrost.com
When to plant vegetables in Riverside, NJ
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 10 – Jan 24 | Mar 7 – Mar 21 | — | — |
| Peppers | Jan 24 – Feb 7 | Apr 18 – May 2 | — | — |
| Eggplant | Jan 24 – Feb 7 | Apr 18 – May 2 | — | — |
| Tomatoes | Feb 7 – Feb 21 | Apr 11 – Apr 25 | — | — |
| Lettuce | Feb 7 – Feb 21 | Mar 14 – Mar 28 | Mar 7 – Apr 11 | Sep 12 – Oct 10 |
| Kale | Feb 7 – Feb 21 | Mar 7 – Mar 21 | Mar 7 – Mar 21 | Aug 29 – Sep 19 |
| Broccoli | Feb 7 – Feb 21 | Mar 21 – Apr 4 | — | Aug 1 – Aug 22 |
| Cabbage | Feb 7 – Feb 21 | Mar 14 – Mar 28 | — | Aug 1 – Aug 22 |
| Cauliflower | Feb 7 – Feb 21 | Mar 21 – Apr 4 | — | Aug 1 – Aug 22 |
| Okra | Feb 21 – Mar 7 | Apr 25 – May 9 | Apr 25 – May 9 | — |
| Basil | Feb 21 – Mar 7 | Apr 11 – Apr 25 | — | — |
| Peas | — | — | Feb 21 – Mar 14 | Aug 15 – Sep 5 |
| Spinach | — | — | Feb 21 – Mar 14 | Sep 12 – Oct 3 |
| Radishes | — | — | Feb 28 – Apr 11 | Sep 26 – Oct 17 |
| Cucumbers | Mar 7 – Mar 14 | Apr 18 – Apr 25 | Apr 11 – Apr 25 | Aug 22 – Sep 5 |
| Zucchini & Summer Squash | Mar 7 – Mar 14 | — | Apr 11 – Apr 25 | Aug 29 – Sep 12 |
| Winter Squash & Pumpkins | Mar 7 – Mar 14 | — | Apr 11 – Apr 25 | — |
| Melons & Watermelon | Mar 7 – Mar 14 | Apr 18 – May 2 | — | — |
| Carrots | — | — | Mar 14 – Apr 11 | Aug 15 – Aug 29 |
| Beets | — | — | Mar 14 – Apr 11 | Aug 29 – Sep 12 |
| Potatoes | — | — | Mar 14 – Apr 4 | — |
| Swiss Chard | — | — | Mar 21 – Apr 18 | Aug 29 – Sep 12 |
| Cilantro | — | — | Mar 21 – Apr 11 | Sep 12 – Oct 3 |
| Green Beans | — | — | Apr 11 – May 2 | Aug 22 – Sep 5 |
| Sweet Corn | — | — | Apr 11 – Apr 25 | — |
| Sweet Potatoes | — | Apr 18 – May 9 | — | — |
| Garlic | — | — | — | Oct 24 – Nov 28 |
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 Philadelphia Ne Ap, PA weather station, 8 km away (elevation 102 ft (31 m)).
Frost dates near Riverside
- Beverly Apr 4 · Nov 7
- Riverton Apr 15 · Oct 31
- Willingboro Apr 15 · Oct 29
- Moorestown Apr 12 · Nov 1
- Palmyra Apr 15 · Oct 31
- Rancocas Apr 15 · Oct 29
- Maple Shade Apr 12 · Nov 1
- Mount Laurel Apr 15 · Oct 28
- Burlington Apr 15 · Oct 29
- Hainesport Apr 15 · Oct 29
Frequently asked questions
When is the last frost in Riverside, NJ?
The median last spring frost in Riverside, NJ is April 4. There is still about a 10% chance of frost after April 17, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Riverside, NJ?
The median first fall frost is November 7, with about a 10% chance of frost before October 24.
How long is the growing season in Riverside, NJ?
About 217 days between the median last spring frost and first fall frost.
What planting zone is Riverside, NJ?
Riverside, NJ is in USDA hardiness zone 7b.