When to plant in Airmont, NY
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Airmont, New York — is derived from the closest NOAA station with complete climate normals.
Airmont's nearest full-normals station sits about 17 km out, so treat these as a close estimate — local microclimate can nudge your first and last frost. Zone 7a means many perennials and even some tender shrubs overwinter in Airmont, while your frost dates still decide when annuals go out.
Frost probability
WANAQUE RAYMOND DAM · 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 Airmont’s own odds, recorded at WANAQUE RAYMOND DAM.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 16 | Apr 30 | Apr 18 | Oct 3 | Oct 13 | Oct 27 |
| 32°F | May 3 | Apr 19 | Apr 5 | Oct 9 | Oct 23 | Nov 6 |
| 28°F | Apr 19 | Apr 4 | Mar 21 | Oct 16 | Nov 4 | Nov 21 |
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 Airmont, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 26 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.
Airmont planting FAQ
When is the last spring frost in Airmont, NY?
Airmont's average last spring frost falls near April 19 — 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 Airmont, NY?
The first fall frost in Airmont typically arrives around October 23 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Airmont in?
Airmont 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 Airmont?
There are roughly 187 frost-free days in Airmont (a moderate growing season), running from the average last frost around April 19 to the first fall frost near October 23.
When should I plant tomatoes in Airmont?
In Airmont, start tomato seeds indoors around February 22–March 8, then transplant seedlings outdoors around April 26 once the danger of frost has passed.
Never miss a window in Airmont
An email when it’s time to start seeds, transplant, and sow — timed to Airmont’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Monsey · 2 km
- Suffern · 4 km
- Spring Valley · 4 km
- Chestnut Ridge · 4 km
- Ramsey · 6 km
- Nanuet · 7 km
- Pearl River · 9 km
- Waldwick · 10 km
Frost dates recorded at WANAQUE RAYMOND DAM, 17 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 Airmont, NY — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00289187. Retrieved from https://blissgarden.com/new-york/airmont.