When to plant in Glens Falls, NY
USDA Zone 5aGlens Falls, New York frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 5a means Glens Falls sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
GLENS FALLS FARM · 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 Glens Falls’s own odds, recorded at GLENS FALLS FARM.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Jun 9 | May 28 | May 14 | Sep 6 | Sep 19 | Oct 1 |
| 32°F | May 31 | May 17 | May 1 | Sep 17 | Sep 29 | Oct 10 |
| 28°F | May 20 | May 5 | Apr 22 | Sep 25 | Oct 7 | Oct 22 |
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 Glens Falls, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Glens Falls planting FAQ
When is the last spring frost in Glens Falls, NY?
Plan for the last spring frost in Glens Falls around May 17 (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 Glens Falls, NY?
In Glens Falls, the first 32°F freeze of fall lands around September 29 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Glens Falls in?
Glens Falls is in USDA hardiness zone 5a. In zone 5a, winters are cold — pick cold-hardy varieties and protect tender crops.
How long is the growing season in Glens Falls?
There are roughly 135 frost-free days in Glens Falls (a short growing season), running from the average last frost around May 17 to the first fall frost near September 29.
When should I plant tomatoes in Glens Falls?
In Glens Falls, start tomato seeds indoors around March 22–April 5, then transplant seedlings outdoors around May 24 once the danger of frost has passed.
Never miss a window in Glens Falls
An email when it’s time to start seeds, transplant, and sow — timed to Glens Falls’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- West Glens Falls · 4 km
- Saratoga Springs · 29 km
- East Glenville · 55 km
- Niskayuna · 60 km
- Cohoes · 60 km
- Amsterdam · 60 km
- Schenectady · 61 km
- Rutland · 63 km
Frost dates recorded at GLENS FALLS FARM, 3 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 Glens Falls, NY — Frost Dates & Zone 5a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00303284. Retrieved from https://blissgarden.com/new-york/glens-falls.