When to plant in Poquoson, VA
USDA Zone 8bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Poquoson, Virginia — all computed from Poquoson's nearest NOAA weather station.
In zone 8b, Poquoson supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
LANGLEY AFB · 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 Poquoson’s own odds, recorded at LANGLEY AFB.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Apr 18 | Apr 4 | Mar 22 | Oct 25 | Nov 5 | Nov 18 |
| 32°F | Apr 6 | Mar 24 | Mar 9 | Nov 3 | Nov 15 | Dec 2 |
| 28°F | Mar 28 | Mar 10 | Feb 22 | Nov 10 | Nov 28 | Dec 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 Poquoson, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 20 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.
Poquoson planting FAQ
When is the last spring frost in Poquoson, VA?
Poquoson's average last spring frost falls near March 24 — 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 Poquoson, VA?
Expect Poquoson's first fall frost near November 15 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Poquoson in?
Poquoson is in USDA hardiness zone 8b. In zone 8b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Poquoson?
Poquoson has about 236 frost-free days — a long growing season — between the average last spring frost (March 24) and first fall frost (November 15).
When should I plant tomatoes in Poquoson?
For Poquoson, sow tomatoes indoors about January 27–February 10 and move the seedlings out around March 31, after the last spring frost.
Never miss a window in Poquoson
An email when it’s time to start seeds, transplant, and sow — timed to Poquoson’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Hampton · 9 km
- Newport News · 20 km
- Gloucester Point · 23 km
- Norfolk · 23 km
- Portsmouth · 30 km
- Williamsburg · 39 km
- Virginia Beach · 46 km
- Chesapeake · 50 km
Frost dates recorded at LANGLEY AFB, 6 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 Poquoson, VA — Frost Dates & Zone 8b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013702. Retrieved from https://blissgarden.com/virginia/poquoson.