When to plant in Lake Barcroft, VA
USDA Zone 7bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Lake Barcroft, Virginia — all computed from Lake Barcroft's nearest NOAA weather station.
Zone 7b means many perennials and even some tender shrubs overwinter in Lake Barcroft, while your frost dates still decide when annuals go out.
Frost probability
DALECARLIA RSVR · 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 Lake Barcroft’s own odds, recorded at DALECARLIA RSVR.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 10 | Apr 23 | Apr 8 | Oct 7 | Oct 20 | Nov 2 |
| 32°F | Apr 26 | Apr 9 | Mar 27 | Oct 16 | Oct 31 | Nov 13 |
| 28°F | Apr 12 | Mar 30 | Mar 12 | Oct 29 | Nov 9 | Nov 27 |
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 Lake Barcroft, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 12 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.
Lake Barcroft planting FAQ
When is the last spring frost in Lake Barcroft, VA?
On average, the last spring frost in Lake Barcroft is around April 9 (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 Lake Barcroft, VA?
Expect Lake Barcroft's first fall frost near October 31 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Lake Barcroft in?
Lake Barcroft 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 Lake Barcroft?
There are roughly 205 frost-free days in Lake Barcroft (a moderate growing season), running from the average last frost around April 9 to the first fall frost near October 31.
When should I plant tomatoes in Lake Barcroft?
In Lake Barcroft, start tomato seeds indoors around February 12–February 26, then transplant seedlings outdoors around April 16 once the danger of frost has passed.
Never miss a window in Lake Barcroft
An email when it’s time to start seeds, transplant, and sow — timed to Lake Barcroft’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Bailey's Crossroads · 2 km
- West Falls Church · 3 km
- Annandale · 4 km
- Falls Church · 4 km
- Lincolnia · 4 km
- Idylwood · 6 km
- Arlington · 6 km
- Merrifield · 7 km
Frost dates recorded at DALECARLIA RSVR, 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 Lake Barcroft, VA — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00182325. Retrieved from https://blissgarden.com/virginia/lake-barcroft.