When to plant in Port Washington, NY
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Port Washington, New York — all computed from Port Washington's nearest NOAA weather station.
In zone 7b, Port Washington supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
MINEOLA · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Port Washington’s own odds, recorded at MINEOLA.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 30 | Apr 16 | Apr 3 | Oct 16 | Oct 31 | Nov 13 |
| 32°F | Apr 16 | Apr 2 | Mar 18 | Oct 31 | Nov 12 | Dec 1 |
| 28°F | Apr 4 | Mar 20 | Mar 5 | Nov 9 | Nov 25 | Dec 13 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Port Washington, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 18 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Port Washington planting FAQ
When is the last spring frost in Port Washington, NY?
Port Washington's average last spring frost falls near April 2 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Port Washington, NY?
In Port Washington, the first 32°F freeze of fall lands around November 12 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Port Washington in?
Port Washington is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Port Washington?
Port Washington has about 224 frost-free days — a long growing season — between the average last spring frost (April 2) and first fall frost (November 12).
When should I plant tomatoes in Port Washington?
For Port Washington, sow tomatoes indoors about February 5–February 19 and move the seedlings out around April 9, after the last spring frost.
Never miss a window in Port Washington
An email when it’s time to start seeds, transplant, and sow — timed to Port Washington’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Great Neck · 5 km
- Glen Cove · 7 km
- North New Hyde Park · 9 km
- Mineola · 10 km
- New Hyde Park · 11 km
- Westbury · 11 km
- Garden City · 12 km
- Floral Park · 12 km
Frost dates recorded at MINEOLA, 12 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Port Washington, NY — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00305377. Retrieved from https://blissgarden.com/new-york/port-washington.