When to plant in Irondequoit, NY
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Irondequoit, New York — is derived from the closest NOAA station with complete climate normals.
In zone 6b, Irondequoit gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Irondequoit is now 7 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
ROCHESTER GTR INTL 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 Irondequoit’s own odds, recorded at ROCHESTER GTR INTL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 19 | May 4 | Apr 23 | Sep 28 | Oct 11 | Oct 27 |
| 32°F | May 8 | Apr 24 | Apr 12 | Oct 8 | Oct 25 | Nov 7 |
| 28°F | Apr 26 | Apr 14 | Apr 1 | Oct 25 | Nov 6 | 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 Irondequoit, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 25 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.
Irondequoit planting FAQ
When is the last spring frost in Irondequoit, NY?
On average, the last spring frost in Irondequoit is around April 24 (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 Irondequoit, NY?
Expect Irondequoit's first fall frost near October 25 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Irondequoit in?
Irondequoit is in USDA hardiness zone 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Irondequoit?
Irondequoit has about 184 frost-free days — a moderate growing season — between the average last spring frost (April 24) and first fall frost (October 25).
When should I plant tomatoes in Irondequoit?
For Irondequoit, sow tomatoes indoors about February 27–March 13 and move the seedlings out around May 1, after the last spring frost.
Never miss a window in Irondequoit
An email when it’s time to start seeds, transplant, and sow — timed to Irondequoit’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at ROCHESTER GTR INTL AP, 13 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 Irondequoit, NY — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014768. Retrieved from https://blissgarden.com/new-york/irondequoit.