When to plant in Yonkers, NY
USDA Zone 7bEverything below — frost dates, hardiness zone, and what to plant when in Yonkers, New York — is derived from the closest NOAA station with complete climate normals.
Zone 7b means many perennials and even some tender shrubs overwinter in Yonkers, while your frost dates still decide when annuals go out.
The average first fall frost in Yonkers 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 Yonkers’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 Yonkers, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 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.
Yonkers planting FAQ
When is the last spring frost in Yonkers, NY?
Plan for the last spring frost in Yonkers around April 20 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Yonkers, NY?
In Yonkers, the first 32°F freeze of fall lands around October 26 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Yonkers in?
Yonkers 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 Yonkers?
There are roughly 189 frost-free days in Yonkers (a moderate growing season), running from the average last frost around April 20 to the first fall frost near October 26.
When should I plant tomatoes in Yonkers?
In Yonkers, start tomato seeds indoors around February 23–March 9, then transplant seedlings outdoors around April 27 once the danger of frost has passed.
Never miss a window in Yonkers
An email when it’s time to start seeds, transplant, and sow — timed to Yonkers’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Mount Vernon · 5 km
- Eastchester · 5 km
- Dobbs Ferry · 7 km
- Tenafly · 8 km
- New Rochelle · 8 km
- Scarsdale · 9 km
- Dumont · 10 km
- Englewood · 11 km
Frost dates recorded at DOBBS FERRY-ARDSLEY, 7 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 Yonkers, NY — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00302129. Retrieved from https://blissgarden.com/new-york/yonkers.