Frost dates for 10451 — Bronx, NY
Last spring frostMar 26median date
First fall frostNov 25median date
Growing season244 daysfrost-free
Hardiness zone7bZone 7b
How Bronx compares
- In 8 years out of 10, the last spring frost in Bronx falls between March 12 and April 6, a 25-day window. The first fall frost falls between November 10 and December 10.
- The median last frost is 38 days earlier than the New York median of May 3.
- Its 244-day growing season is among the longest of the 1,610 New York 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 62 nights a year at or below 32°F.
- Compared with West New York, NJ, 8 km away, the last frost here is 4 days earlier than there and the growing season is 9 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 12 |
| 50% (median) | March 26 |
| 10% (safe for tender plants) | April 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 10 |
| 50% (median) | November 25 |
| 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 Bronx, NY
Frost dates for 10451 — Bronx, NY — last frost Mar 26, first frost Nov 25, zone 7b. whenisthelastfrost.com
Crop
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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 30 to Oct 28
Start indoors: Jan 29 to Feb 12Transplant outside: Feb 26 to Mar 12Sow outdoors: Feb 26 to Mar 12Plant for fall: Sep 16 to Oct 7
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 12 to Mar 26Plant for fall: Aug 19 to Sep 9
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 5 to Mar 19Plant for fall: Aug 19 to Sep 9
Start indoors: Jan 29 to Feb 12Transplant outside: Mar 12 to Mar 26Plant for fall: Aug 19 to Sep 9
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: Sep 2 to Sep 23
Sow outdoors: Feb 12 to Mar 5Plant for fall: Sep 30 to Oct 21
Sow outdoors: Feb 19 to Apr 2Plant for fall: Oct 14 to Nov 4
Start indoors: Feb 26 to Mar 5Transplant outside: Apr 9 to Apr 16Sow outdoors: Apr 2 to Apr 16Plant for fall: Sep 9 to Sep 23
Start indoors: Feb 26 to Mar 5Sow outdoors: Apr 2 to Apr 16Plant for fall: Sep 16 to Sep 30
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: Sep 2 to Sep 16
Sow outdoors: Mar 5 to Apr 2Plant for fall: Sep 16 to Sep 30
Sow outdoors: Mar 5 to Mar 26
Sow outdoors: Mar 12 to Apr 9Plant for fall: Sep 16 to Sep 30
Sow outdoors: Mar 12 to Apr 2Plant for fall: Sep 30 to Oct 21
Sow outdoors: Apr 2 to Apr 23Plant for fall: Sep 9 to Sep 23
Sow outdoors: Apr 2 to Apr 16
Transplant outside: Apr 9 to Apr 30
Plant for fall: Nov 11 to Dec 16
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Bronx, NY
| 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 30 – Oct 28 |
| Kale | Jan 29 – Feb 12 | Feb 26 – Mar 12 | Feb 26 – Mar 12 | Sep 16 – Oct 7 |
| Broccoli | Jan 29 – Feb 12 | Mar 12 – Mar 26 | — | Aug 19 – Sep 9 |
| Cabbage | Jan 29 – Feb 12 | Mar 5 – Mar 19 | — | Aug 19 – Sep 9 |
| Cauliflower | Jan 29 – Feb 12 | Mar 12 – Mar 26 | — | Aug 19 – Sep 9 |
| 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 | Sep 2 – Sep 23 |
| Spinach | — | — | Feb 12 – Mar 5 | Sep 30 – Oct 21 |
| Radishes | — | — | Feb 19 – Apr 2 | Oct 14 – Nov 4 |
| Cucumbers | Feb 26 – Mar 5 | Apr 9 – Apr 16 | Apr 2 – Apr 16 | Sep 9 – Sep 23 |
| Zucchini & Summer Squash | Feb 26 – Mar 5 | — | Apr 2 – Apr 16 | Sep 16 – Sep 30 |
| 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 | Sep 2 – Sep 16 |
| Beets | — | — | Mar 5 – Apr 2 | Sep 16 – Sep 30 |
| Potatoes | — | — | Mar 5 – Mar 26 | — |
| Swiss Chard | — | — | Mar 12 – Apr 9 | Sep 16 – Sep 30 |
| Cilantro | — | — | Mar 12 – Apr 2 | Sep 30 – Oct 21 |
| Green Beans | — | — | Apr 2 – Apr 23 | Sep 9 – Sep 23 |
| Sweet Corn | — | — | Apr 2 – Apr 16 | — |
| Sweet Potatoes | — | Apr 9 – Apr 30 | — | — |
| Garlic | — | — | — | Nov 11 – Dec 16 |
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 New York Laguardia Ap, NY weather station, 6 km away (elevation 10 ft (3 m)).
ZIP codes in Bronx: 10451 10452 10453 10454 10455 10456 10457 10458 10459 10460 10461 10462 10463 10464 10465 10466 10467 10468 10469 10470 10471 10472 10473 10474 10475
Frost dates near Bronx
- Astoria Mar 26 · Nov 25
- East Elmhurst Mar 26 · Nov 25
- College Point Mar 26 · Nov 25
- Jackson Heights Mar 26 · Nov 25
- New York Mar 30 · Nov 20
- Woodside Mar 26 · Nov 25
- Sunnyside Mar 26 · Nov 25
- Long Island City Mar 30 · Nov 20
Frequently asked questions
When is the last frost in Bronx, NY?
The median last spring frost in Bronx, NY is March 26. There is still about a 10% chance of frost after April 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Bronx, NY?
The median first fall frost is November 25, with about a 10% chance of frost before November 10.
How long is the growing season in Bronx, NY?
About 244 days between the median last spring frost and first fall frost.
What planting zone is Bronx, NY?
Bronx, NY is in USDA hardiness zone 7b.