Setauket-East Setauket, NY planting zone & frost dates
Setauket-East Setauket is in USDA hardiness zone 7b. The last spring frost usually comes around April 15 and the first fall frost around November 10, for a growing season of about 208 days.
Planting calendar for Setauket-East Setauket
Dates are counted from the average last spring frost (April 15) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Feb 18 – Mar 4 Transplant outdoors: Apr 22 – Apr 29 |
| Peppers | Start seeds indoors: Feb 4 – Feb 18 Transplant outdoors: Apr 29 – May 6 |
| Eggplant | Start seeds indoors: Feb 4 – Feb 18 Transplant outdoors: Apr 29 – May 6 |
| Broccoli | Start seeds indoors: Feb 4 – Feb 18 Transplant outdoors: Mar 18 – Apr 1 |
| Cabbage | Start seeds indoors: Feb 4 – Feb 18 Transplant outdoors: Mar 18 – Apr 1 |
| Onions (sets) | Plant outdoors: Mar 18 – Apr 1 |
| Peas | Sow outdoors: Mar 4 – Mar 18 |
| Spinach | Sow outdoors: Mar 4 – Mar 18 |
| Lettuce | Sow outdoors: Mar 18 – Apr 1 |
| Carrots | Sow outdoors: Mar 18 – Apr 1 |
| Potatoes | Plant outdoors: Mar 18 – Apr 1 |
| Beans | Sow outdoors: Apr 22 – Apr 29 |
| Sweet corn | Sow outdoors: Apr 22 – Apr 29 |
| Cucumbers | Sow outdoors: Apr 22 – Apr 29 |
| Squash & zucchini | Sow outdoors: Apr 22 – Apr 29 |
| Basil | Start seeds indoors: Mar 4 – Mar 18 Transplant outdoors: Apr 22 – Apr 29 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 15 (8 weeks before the average first fall frost on Nov 10).
Useful for zone 7b gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Apr 1 | Apr 15 | May 4 |
| First 32°F frost in fall is before | Nov 24 | Nov 10 | Oct 27 |
How to read it: in spring there is a 10% chance of a frost after May 4, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 27. A hard freeze (28°F) usually ends around March 31.
Nearby cities
- East Setauket zone 7b, last frost Apr 15
- Stony Brook zone 7b, last frost Apr 15
- Terryville zone 7b, last frost Apr 4
- Centereach zone 7b, last frost Apr 10
- Mount Sinai zone 7b, last frost Apr 4
- Saint James zone 7b, last frost Apr 15
- Lake Grove zone 7b, last frost Apr 10
- Selden zone 7b, last frost Apr 4
Questions
What growing zone is Setauket-East Setauket, NY?
Setauket-East Setauket is in USDA Plant Hardiness Zone 7b (average extreme winter low 5°F to 10°F), according to the USDA 2023 map.
When is the last frost in Setauket-East Setauket?
The average last spring frost (32°F) in Setauket-East Setauket is April 15. There is still a 10% chance of frost until May 4.
When can I plant tomatoes in Setauket-East Setauket?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 22 – Apr 29. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Setauket Strong, NY (USC00307633), 3.1 km (1.9 mi) from the city center, elevation 12 m, based on 13 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.