Patchogue, NY frost dates
Last spring frostApr 4median date
First fall frostNov 11median date
Growing season221 daysfrost-free
Hardiness zone7aZone 7a
How Patchogue compares
- In 8 years out of 10, the last spring frost in Patchogue falls between March 22 and April 21, a 30-day window. The first fall frost falls between October 27 and November 29.
- The median last frost is 29 days earlier than the New York median of May 3.
- Its 221-day growing season is longer than 93% of the 1,610 New York places with a regular frost season (state median 163 days).
- The last frost is 12 days earlier than the zone 7a median of Apr 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 7a chart.
- The weather station records an average of 76 nights a year at or below 32°F.
- Compared with Brentwood, NY, 22 km away, the last frost here is 6 days earlier than there and the growing season is 15 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 22 |
| 50% (median) | April 4 |
| 10% (safe for tender plants) | April 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 27 |
| 50% (median) | November 11 |
| 90% (late) | November 29 |
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 Patchogue, NY
Patchogue, NY frost dates — last frost Apr 4, first frost Nov 11, zone 7a. whenisthelastfrost.com
Crop
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Start indoors: Jan 10 to Jan 24Transplant outside: Mar 7 to Mar 21
Start indoors: Jan 24 to Feb 7Transplant outside: Apr 18 to May 2
Start indoors: Jan 24 to Feb 7Transplant outside: Apr 18 to May 2
Start indoors: Feb 7 to Feb 21Transplant outside: Apr 11 to Apr 25
Start indoors: Feb 7 to Feb 21Transplant outside: Mar 14 to Mar 28Sow outdoors: Mar 7 to Apr 11Plant for fall: Sep 16 to Oct 14
Start indoors: Feb 7 to Feb 21Transplant outside: Mar 7 to Mar 21Sow outdoors: Mar 7 to Mar 21Plant for fall: Sep 2 to Sep 23
Start indoors: Feb 7 to Feb 21Transplant outside: Mar 21 to Apr 4Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 7 to Feb 21Transplant outside: Mar 14 to Mar 28Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 7 to Feb 21Transplant outside: Mar 21 to Apr 4Plant for fall: Aug 5 to Aug 26
Start indoors: Feb 21 to Mar 7Transplant outside: Apr 25 to May 9Sow outdoors: Apr 25 to May 9
Start indoors: Feb 21 to Mar 7Transplant outside: Apr 11 to Apr 25
Sow outdoors: Feb 21 to Mar 14Plant for fall: Aug 19 to Sep 9
Sow outdoors: Feb 21 to Mar 14Plant for fall: Sep 16 to Oct 7
Sow outdoors: Feb 28 to Apr 11Plant for fall: Sep 30 to Oct 21
Start indoors: Mar 7 to Mar 14Transplant outside: Apr 18 to Apr 25Sow outdoors: Apr 11 to Apr 25Plant for fall: Aug 26 to Sep 9
Start indoors: Mar 7 to Mar 14Sow outdoors: Apr 11 to Apr 25Plant for fall: Sep 2 to Sep 16
Start indoors: Mar 7 to Mar 14Sow outdoors: Apr 11 to Apr 25
Start indoors: Mar 7 to Mar 14Transplant outside: Apr 18 to May 2
Sow outdoors: Mar 14 to Apr 11Plant for fall: Aug 19 to Sep 2
Sow outdoors: Mar 14 to Apr 11Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 14 to Apr 4
Sow outdoors: Mar 21 to Apr 18Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 21 to Apr 11Plant for fall: Sep 16 to Oct 7
Sow outdoors: Apr 11 to May 2Plant for fall: Aug 26 to Sep 9
Sow outdoors: Apr 11 to Apr 25
Transplant outside: Apr 18 to May 9
Plant for fall: Oct 28 to Dec 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Patchogue, NY
| 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 16 – Oct 14 |
| Kale | Feb 7 – Feb 21 | Mar 7 – Mar 21 | Mar 7 – Mar 21 | Sep 2 – Sep 23 |
| Broccoli | Feb 7 – Feb 21 | Mar 21 – Apr 4 | — | Aug 5 – Aug 26 |
| Cabbage | Feb 7 – Feb 21 | Mar 14 – Mar 28 | — | Aug 5 – Aug 26 |
| Cauliflower | Feb 7 – Feb 21 | Mar 21 – Apr 4 | — | Aug 5 – Aug 26 |
| 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 19 – Sep 9 |
| Spinach | — | — | Feb 21 – Mar 14 | Sep 16 – Oct 7 |
| Radishes | — | — | Feb 28 – Apr 11 | Sep 30 – Oct 21 |
| Cucumbers | Mar 7 – Mar 14 | Apr 18 – Apr 25 | Apr 11 – Apr 25 | Aug 26 – Sep 9 |
| Zucchini & Summer Squash | Mar 7 – Mar 14 | — | Apr 11 – Apr 25 | Sep 2 – Sep 16 |
| 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 19 – Sep 2 |
| Beets | — | — | Mar 14 – Apr 11 | Sep 2 – Sep 16 |
| Potatoes | — | — | Mar 14 – Apr 4 | — |
| Swiss Chard | — | — | Mar 21 – Apr 18 | Sep 2 – Sep 16 |
| Cilantro | — | — | Mar 21 – Apr 11 | Sep 16 – Oct 7 |
| Green Beans | — | — | Apr 11 – May 2 | Aug 26 – Sep 9 |
| Sweet Corn | — | — | Apr 11 – Apr 25 | — |
| Sweet Potatoes | — | Apr 18 – May 9 | — | — |
| Garlic | — | — | — | Oct 28 – Dec 2 |
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 Molloy Cercom, NY weather station, 10 km away (elevation 7 ft (2 m)).
Frost dates near Patchogue
- Bellport Apr 18 · Oct 28
- Blue Point Apr 4 · Nov 11
- Bayport Apr 4 · Nov 11
- Medford Apr 18 · Oct 28
- Holtsville Apr 10 · Nov 2
- Holbrook Apr 10 · Nov 2
- Brookhaven Apr 18 · Oct 28
- Sayville Apr 4 · Nov 11
- Farmingville Apr 10 · Nov 2
- West Sayville Apr 4 · Nov 11
Frequently asked questions
When is the last frost in Patchogue, NY?
The median last spring frost in Patchogue, NY is April 4. There is still about a 10% chance of frost after April 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Patchogue, NY?
The median first fall frost is November 11, with about a 10% chance of frost before October 27.
How long is the growing season in Patchogue, NY?
About 221 days between the median last spring frost and first fall frost.
What planting zone is Patchogue, NY?
Patchogue, NY is in USDA hardiness zone 7a.