Port Washington, NY planting zone & frost dates
Port Washington is in USDA hardiness zone 7b. The last spring frost usually comes around April 2 and the first fall frost around November 12, for a growing season of about 224 days.
Planting calendar for Port Washington
Dates are counted from the average last spring frost (April 2) 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 5 – Feb 19 Transplant outdoors: Apr 9 – Apr 16 |
| Peppers | Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Apr 16 – Apr 23 |
| Eggplant | Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Apr 16 – Apr 23 |
| Broccoli | Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Mar 5 – Mar 19 |
| Cabbage | Start seeds indoors: Jan 22 – Feb 5 Transplant outdoors: Mar 5 – Mar 19 |
| Onions (sets) | Plant outdoors: Mar 5 – Mar 19 |
| Peas | Sow outdoors: Feb 19 – Mar 5 |
| Spinach | Sow outdoors: Feb 19 – Mar 5 |
| Lettuce | Sow outdoors: Mar 5 – Mar 19 |
| Carrots | Sow outdoors: Mar 5 – Mar 19 |
| Potatoes | Plant outdoors: Mar 5 – Mar 19 |
| Beans | Sow outdoors: Apr 9 – Apr 16 |
| Sweet corn | Sow outdoors: Apr 9 – Apr 16 |
| Cucumbers | Sow outdoors: Apr 9 – Apr 16 |
| Squash & zucchini | Sow outdoors: Apr 9 – Apr 16 |
| Basil | Start seeds indoors: Feb 19 – Mar 5 Transplant outdoors: Apr 9 – Apr 16 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 17 (8 weeks before the average first fall frost on Nov 12).
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 | Mar 18 | Apr 2 | Apr 16 |
| First 32°F frost in fall is before | Dec 1 | Nov 12 | Oct 31 |
How to read it: in spring there is a 10% chance of a frost after April 16, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 31. A hard freeze (28°F) usually ends around March 20.
Hardiness zone by ZIP code in Port Washington
- 11050 zone 7b
- 11051 zone 7b
- 11052 zone 7b
- 11053 zone 7b
- 11054 zone 7b
- 11055 zone 7b
Nearby cities
- Great Neck zone 7b, last frost Apr 1
- Glen Cove zone 7b, last frost Apr 2
- North New Hyde Park zone 7b, last frost Apr 2
- Mineola zone 7b, last frost Apr 2
- Floral Park zone 7b, last frost Apr 2
- Garden City zone 7b, last frost Apr 2
- New Rochelle zone 7b, last frost Apr 1
- Franklin Square zone 7b, last frost Apr 2
Questions
What growing zone is Port Washington, NY?
Port Washington 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 Port Washington?
The average last spring frost (32°F) in Port Washington is April 2. There is still a 10% chance of frost until April 16.
When can I plant tomatoes in Port Washington?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 9 – Apr 16. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Mineola, NY (USC00305377), 12.3 km (7.6 mi) from the city center, elevation 29 m, based on 20 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.