When to plant in West Islip, NY
USDA Zone 7bEverything below — frost dates, hardiness zone, and what to plant when in West Islip, New York — is derived from the closest NOAA station with complete climate normals.
In zone 7b, West Islip supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
FARMINGDALE AP · 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 West Islip’s own odds, recorded at FARMINGDALE AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 3 | Apr 19 | Apr 7 | Oct 12 | Oct 26 | Nov 9 |
| 32°F | Apr 20 | Apr 6 | Mar 26 | Oct 25 | Nov 6 | Nov 21 |
| 28°F | Apr 6 | Mar 27 | Mar 12 | Nov 5 | Nov 19 | Dec 5 |
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 West Islip, 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.
West Islip planting FAQ
When is the last spring frost in West Islip, NY?
West Islip's average last spring frost falls near April 6 — 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 West Islip, NY?
In West Islip, the first 32°F freeze of fall lands around November 6 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is West Islip in?
West Islip 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 West Islip?
West Islip has about 214 frost-free days — a long growing season — between the average last spring frost (April 6) and first fall frost (November 6).
When should I plant tomatoes in West Islip?
For West Islip, sow tomatoes indoors about February 9–February 23 and move the seedlings out around April 13, after the last spring frost.
Never miss a window in West Islip
An email when it’s time to start seeds, transplant, and sow — timed to West Islip’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Babylon · 3 km
- North Babylon · 4 km
- Bay Shore · 5 km
- West Babylon · 6 km
- Lindenhurst · 7 km
- Deer Park · 7 km
- North Bay Shore · 7 km
- Islip · 7 km
Frost dates recorded at FARMINGDALE AP, 11 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 West Islip, NY — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00054787. Retrieved from https://blissgarden.com/new-york/west-islip.