When to plant in Wallingford Center, CT
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Wallingford Center, Connecticut — is derived from the closest NOAA station with complete climate normals.
In zone 6b, Wallingford Center gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
MERIDEN MARKHAM MUNI 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 Wallingford Center’s own odds, recorded at MERIDEN MARKHAM MUNI AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 21 | May 7 | Apr 24 | Sep 26 | Oct 6 | Oct 19 |
| 32°F | May 9 | Apr 26 | Apr 11 | Oct 4 | Oct 16 | Nov 1 |
| 28°F | Apr 28 | Apr 10 | Mar 30 | Oct 14 | Oct 30 | Nov 12 |
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 Wallingford Center, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Wallingford Center planting FAQ
When is the last spring frost in Wallingford Center, CT?
Wallingford Center's average last spring frost falls near April 26 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Wallingford Center, CT?
Expect Wallingford Center's first fall frost near October 16 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Wallingford Center in?
Wallingford Center 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 Wallingford Center?
Wallingford Center has about 173 frost-free days — a moderate growing season — between the average last spring frost (April 26) and first fall frost (October 16).
When should I plant tomatoes in Wallingford Center?
For Wallingford Center, sow tomatoes indoors about March 1–March 15 and move the seedlings out around May 3, after the last spring frost.
Never miss a window in Wallingford Center
An email when it’s time to start seeds, transplant, and sow — timed to Wallingford Center’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- North Haven · 8 km
- Meriden · 10 km
- Middletown · 17 km
- East Haven · 18 km
- New Haven · 18 km
- Naugatuck · 20 km
- Waterbury · 22 km
- West Haven · 23 km
Frost dates recorded at MERIDEN MARKHAM MUNI AP, 7 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 Wallingford Center, CT — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00054788. Retrieved from https://blissgarden.com/connecticut/wallingford-center.