When to plant in Collingswood, NJ
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Collingswood, New Jersey — all computed from Collingswood's nearest NOAA weather station.
In zone 7b, Collingswood supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
PENNSAUKEN 1N · 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 Collingswood’s own odds, recorded at PENNSAUKEN 1N.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 15 | Apr 27 | Apr 14 | Oct 6 | Oct 19 | Nov 1 |
| 32°F | May 1 | Apr 15 | Apr 1 | Oct 16 | Oct 31 | Nov 12 |
| 28°F | Apr 14 | Apr 1 | Mar 17 | Oct 31 | Nov 10 | Nov 24 |
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 Collingswood, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 10 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.
Collingswood planting FAQ
When is the last spring frost in Collingswood, NJ?
On average, the last spring frost in Collingswood is around April 15 (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 Collingswood, NJ?
In Collingswood, the first 32°F freeze of fall lands around October 31 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Collingswood in?
Collingswood is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Collingswood?
Collingswood has about 199 frost-free days — a moderate growing season — between the average last spring frost (April 15) and first fall frost (October 31).
When should I plant tomatoes in Collingswood?
For Collingswood, sow tomatoes indoors about February 18–March 4 and move the seedlings out around April 22, after the last spring frost.
Never miss a window in Collingswood
An email when it’s time to start seeds, transplant, and sow — timed to Collingswood’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Westmont · 2 km
- Camden · 3 km
- Gloucester City · 4 km
- Haddonfield · 4 km
- Bellmawr · 6 km
- Cherry Hill Mall · 6 km
- Springdale · 10 km
- Greentree · 10 km
Frost dates recorded at PENNSAUKEN 1N, 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 Collingswood, NJ — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00286864. Retrieved from https://blissgarden.com/new-jersey/collingswood.