When to plant in Johnson City, NY
USDA Zone 6aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Johnson City, New York — all computed from Johnson City's nearest NOAA weather station.
Zone 6a means Johnson City sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
BINGHAMTON · 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 Johnson City’s own odds, recorded at BINGHAMTON.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 28 | May 13 | Apr 28 | Sep 16 | Sep 30 | Oct 13 |
| 32°F | May 18 | May 2 | Apr 19 | Sep 28 | Oct 11 | Oct 29 |
| 28°F | May 7 | Apr 22 | Apr 7 | Oct 7 | Oct 26 | 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 Johnson City, 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.
Johnson City planting FAQ
When is the last spring frost in Johnson City, NY?
On average, the last spring frost in Johnson City is around May 2 (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 Johnson City, NY?
Expect Johnson City's first fall frost near October 11 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Johnson City in?
Johnson City 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 Johnson City?
There are roughly 162 frost-free days in Johnson City (a moderate growing season), running from the average last frost around May 2 to the first fall frost near October 11.
When should I plant tomatoes in Johnson City?
In Johnson City, start tomato seeds indoors around March 7–March 21, then transplant seedlings outdoors around May 9 once the danger of frost has passed.
Never miss a window in Johnson City
An email when it’s time to start seeds, transplant, and sow — timed to Johnson City’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at BINGHAMTON, 8 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 Johnson City, NY — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00004725. Retrieved from https://blissgarden.com/new-york/johnson-city.