When to plant in Latham, NY
USDA Zone 6aLatham, 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 6a means Latham sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
The average first fall frost in Latham is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
ALBANY 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 Latham’s own odds, recorded at ALBANY AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 23 | May 8 | Apr 25 | Sep 23 | Oct 4 | Oct 18 |
| 32°F | May 11 | Apr 27 | Apr 16 | Oct 3 | Oct 15 | Nov 1 |
| 28°F | Apr 28 | Apr 16 | Apr 3 | Oct 11 | Oct 28 | Nov 10 |
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 Latham, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 24 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.
Latham planting FAQ
When is the last spring frost in Latham, NY?
On average, the last spring frost in Latham is around April 27 (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 Latham, NY?
Expect Latham's first fall frost near October 15 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Latham in?
Latham is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Latham?
There are roughly 171 frost-free days in Latham (a moderate growing season), running from the average last frost around April 27 to the first fall frost near October 15.
When should I plant tomatoes in Latham?
In Latham, start tomato seeds indoors around March 2–March 16, then transplant seedlings outdoors around May 4 once the danger of frost has passed.
Never miss a window in Latham
An email when it’s time to start seeds, transplant, and sow — timed to Latham’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Loudonville · 4 km
- Watervliet · 4 km
- Cohoes · 5 km
- Troy · 6 km
- Roessleville · 6 km
- Albany · 9 km
- Niskayuna · 13 km
- Schenectady · 16 km
Frost dates recorded at ALBANY AP, 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 Latham, NY — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014735. Retrieved from https://blissgarden.com/new-york/latham.