When to plant in Scarsdale, NY
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Scarsdale, New York — is derived from the closest NOAA station with complete climate normals.
In zone 7a, Scarsdale supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average first fall frost in Scarsdale is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
DOBBS FERRY-ARDSLEY · 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 Scarsdale’s own odds, recorded at DOBBS FERRY-ARDSLEY.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 18 | May 2 | Apr 19 | Oct 1 | Oct 12 | Oct 31 |
| 32°F | May 6 | Apr 20 | Apr 4 | Oct 10 | Oct 26 | Nov 10 |
| 28°F | Apr 20 | Apr 4 | Mar 20 | Oct 23 | Nov 7 | Nov 23 |
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 Scarsdale, 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.
Scarsdale planting FAQ
When is the last spring frost in Scarsdale, NY?
On average, the last spring frost in Scarsdale is around April 20 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Scarsdale, NY?
The first fall frost in Scarsdale typically arrives around October 26 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Scarsdale in?
Scarsdale is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Scarsdale?
Scarsdale has about 189 frost-free days — a moderate growing season — between the average last spring frost (April 20) and first fall frost (October 26).
When should I plant tomatoes in Scarsdale?
For Scarsdale, sow tomatoes indoors about February 23–March 9 and move the seedlings out around April 27, after the last spring frost.
Never miss a window in Scarsdale
An email when it’s time to start seeds, transplant, and sow — timed to Scarsdale’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- White Plains · 4 km
- Eastchester · 5 km
- Harrison · 6 km
- Mamaroneck · 8 km
- New Rochelle · 8 km
- Dobbs Ferry · 8 km
- Yonkers · 9 km
- Port Chester · 9 km
Frost dates recorded at DOBBS FERRY-ARDSLEY, 5 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 Scarsdale, NY — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00302129. Retrieved from https://blissgarden.com/new-york/scarsdale.