When to plant in Trumbull Center, CT
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Trumbull Center, Connecticut — is derived from the closest NOAA station with complete climate normals.
In zone 7a, Trumbull Center supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
BRIDGEPORT SIKORSKY MEM 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 Trumbull Center’s own odds, recorded at BRIDGEPORT SIKORSKY MEM AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 29 | Apr 16 | Apr 6 | Oct 11 | Oct 26 | Nov 8 |
| 32°F | Apr 17 | Apr 5 | Mar 25 | Oct 25 | Nov 6 | Nov 20 |
| 28°F | Apr 6 | Mar 26 | Mar 11 | Nov 6 | Nov 19 | Dec 5 |
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 Trumbull Center, 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.
Trumbull Center planting FAQ
When is the last spring frost in Trumbull Center, CT?
Plan for the last spring frost in Trumbull Center around April 5 (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 Trumbull Center, CT?
In Trumbull Center, the first 32°F freeze of fall lands around November 6 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Trumbull Center in?
Trumbull Center is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Trumbull Center?
Trumbull Center has about 215 frost-free days — a long growing season — between the average last spring frost (April 5) and first fall frost (November 6).
When should I plant tomatoes in Trumbull Center?
For Trumbull Center, sow tomatoes indoors about February 8–February 22 and move the seedlings out around April 12, after the last spring frost.
Never miss a window in Trumbull Center
An email when it’s time to start seeds, transplant, and sow — timed to Trumbull Center’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Bridgeport · 6 km
- Shelton · 8 km
- Milford · 10 km
- Derby · 13 km
- Orange · 14 km
- Ansonia · 15 km
- West Haven · 18 km
- New Haven · 23 km
Frost dates recorded at BRIDGEPORT SIKORSKY MEM AP, 10 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 Trumbull Center, CT — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00094702. Retrieved from https://blissgarden.com/connecticut/trumbull-center.