When to plant in Brambleton, VA
USDA Zone 7aBrambleton, Virginia frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 7a, Brambleton supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
The average first fall frost in Brambleton is now 10 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
WFO STERLING · 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 Brambleton’s own odds, recorded at WFO STERLING.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 16 | Apr 28 | Apr 10 | Oct 3 | Oct 16 | Oct 30 |
| 32°F | May 1 | Apr 13 | Mar 29 | Oct 11 | Oct 26 | Nov 7 |
| 28°F | Apr 14 | Mar 31 | Mar 15 | Oct 22 | Nov 4 | Nov 22 |
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 Brambleton, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Brambleton planting FAQ
When is the last spring frost in Brambleton, VA?
On average, the last spring frost in Brambleton is around April 13 (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 Brambleton, VA?
In Brambleton, the first 32°F freeze of fall lands around October 26 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Brambleton in?
Brambleton 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 Brambleton?
Brambleton has about 196 frost-free days — a moderate growing season — between the average last spring frost (April 13) and first fall frost (October 26).
When should I plant tomatoes in Brambleton?
For Brambleton, sow tomatoes indoors about February 16–March 2 and move the seedlings out around April 20, after the last spring frost.
Never miss a window in Brambleton
An email when it’s time to start seeds, transplant, and sow — timed to Brambleton’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Loudoun Valley Estates · 2 km
- Broadlands · 4 km
- Stone Ridge · 6 km
- Ashburn · 7 km
- South Riding · 8 km
- McNair · 11 km
- Sterling · 11 km
- Lansdowne · 12 km
Frost dates recorded at WFO STERLING, 4 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 Brambleton, VA — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00448084. Retrieved from https://blissgarden.com/virginia/brambleton.