When to plant in East Hartford, CT
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for East Hartford, Connecticut — all computed from East Hartford's nearest NOAA weather station.
In zone 6b, East Hartford gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
HARTFORD BRAINARD FLD · 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 East Hartford’s own odds, recorded at HARTFORD BRAINARD FLD.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 14 | Apr 30 | Apr 17 | Oct 2 | Oct 14 | Oct 29 |
| 32°F | May 1 | Apr 17 | Apr 1 | Oct 12 | Oct 26 | Nov 7 |
| 28°F | Apr 21 | Apr 3 | Mar 21 | Oct 22 | Nov 5 | Nov 20 |
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 East Hartford, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 27 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.
East Hartford planting FAQ
When is the last spring frost in East Hartford, CT?
Plan for the last spring frost in East Hartford around April 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 East Hartford, CT?
The first fall frost in East Hartford typically arrives around October 26 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is East Hartford in?
East Hartford 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 East Hartford?
East Hartford has about 192 frost-free days — a moderate growing season — between the average last spring frost (April 17) and first fall frost (October 26).
When should I plant tomatoes in East Hartford?
For East Hartford, sow tomatoes indoors about February 20–March 6 and move the seedlings out around April 24, after the last spring frost.
Never miss a window in East Hartford
An email when it’s time to start seeds, transplant, and sow — timed to East Hartford’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Hartford · 6 km
- Manchester · 8 km
- Wethersfield · 8 km
- West Hartford · 12 km
- Newington · 13 km
- New Britain · 18 km
- Windsor Locks · 19 km
- Middletown · 24 km
Frost dates recorded at HARTFORD BRAINARD FLD, 4 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 East Hartford, CT — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014752. Retrieved from https://blissgarden.com/connecticut/east-hartford.