When to plant in Christiansburg, VA
USDA Zone 7aEverything below — frost dates, hardiness zone, and what to plant when in Christiansburg, Virginia — is derived from the closest NOAA station with complete climate normals.
Zone 7a means many perennials and even some tender shrubs overwinter in Christiansburg, while your frost dates still decide when annuals go out.
Frost probability
CHRISTIANSBURG · 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 Christiansburg’s own odds, recorded at CHRISTIANSBURG.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 19 | May 3 | Apr 18 | Oct 1 | Oct 12 | Oct 26 |
| 32°F | May 9 | Apr 19 | Apr 3 | Oct 10 | Oct 23 | Nov 4 |
| 28°F | Apr 22 | Apr 5 | Mar 22 | Oct 20 | Nov 1 | Nov 16 |
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 Christiansburg, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 17 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.
Christiansburg planting FAQ
When is the last spring frost in Christiansburg, VA?
On average, the last spring frost in Christiansburg is around April 19 (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 Christiansburg, VA?
The first fall frost in Christiansburg typically arrives around October 23 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Christiansburg in?
Christiansburg 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 Christiansburg?
There are roughly 187 frost-free days in Christiansburg (a moderate growing season), running from the average last frost around April 19 to the first fall frost near October 23.
When should I plant tomatoes in Christiansburg?
In Christiansburg, start tomato seeds indoors around February 22–March 8, then transplant seedlings outdoors around April 26 once the danger of frost has passed.
Never miss a window in Christiansburg
An email when it’s time to start seeds, transplant, and sow — timed to Christiansburg’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Blacksburg · 10 km
- Radford · 14 km
- Salem · 35 km
- Cave Spring · 37 km
- Roanoke · 42 km
- Hollins · 46 km
- Martinsville · 70 km
- Mount Airy · 73 km
Frost dates recorded at CHRISTIANSBURG, 1 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 Christiansburg, VA — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00441692. Retrieved from https://blissgarden.com/virginia/christiansburg.