When to plant in Vienna, VA
USDA Zone 7bEverything below — frost dates, hardiness zone, and what to plant when in Vienna, Virginia — is derived from the closest NOAA station with complete climate normals.
In zone 7b, Vienna supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
VIENNA · 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 Vienna’s own odds, recorded at VIENNA.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 10 | Apr 25 | Apr 11 | Oct 7 | Oct 19 | Nov 1 |
| 32°F | Apr 28 | Apr 14 | Mar 30 | Oct 17 | Oct 29 | Nov 11 |
| 28°F | Apr 16 | Apr 2 | Mar 18 | Oct 26 | Nov 8 | Nov 23 |
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 Vienna, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 18 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.
Vienna planting FAQ
When is the last spring frost in Vienna, VA?
Vienna's average last spring frost falls near April 14 — 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 Vienna, VA?
The first fall frost in Vienna typically arrives around October 29 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Vienna in?
Vienna 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 Vienna?
Vienna has about 198 frost-free days — a moderate growing season — between the average last spring frost (April 14) and first fall frost (October 29).
When should I plant tomatoes in Vienna?
For Vienna, sow tomatoes indoors about February 17–March 3 and move the seedlings out around April 21, after the last spring frost.
Never miss a window in Vienna
An email when it’s time to start seeds, transplant, and sow — timed to Vienna’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Merrifield · 3 km
- Tysons · 4 km
- Oakton · 4 km
- Wolf Trap · 5 km
- Idylwood · 5 km
- Fairfax · 6 km
- West Falls Church · 7 km
- Falls Church · 7 km
Frost dates recorded at VIENNA, 3 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 Vienna, VA — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00448737. Retrieved from https://blissgarden.com/virginia/vienna.