When to plant in Loudoun Valley Estates, VA
USDA Zone 7aLoudoun Valley Estates, Virginia frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 7a means many perennials and even some tender shrubs overwinter in Loudoun Valley Estates, while your frost dates still decide when annuals go out.
The average first fall frost in Loudoun Valley Estates 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 Loudoun Valley Estates’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 Loudoun Valley Estates, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 21 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.
Loudoun Valley Estates planting FAQ
When is the last spring frost in Loudoun Valley Estates, VA?
Plan for the last spring frost in Loudoun Valley Estates around April 13 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Loudoun Valley Estates, VA?
In Loudoun Valley Estates, 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 Loudoun Valley Estates in?
Loudoun Valley Estates 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 Loudoun Valley Estates?
There are roughly 196 frost-free days in Loudoun Valley Estates (a moderate growing season), running from the average last frost around April 13 to the first fall frost near October 26.
When should I plant tomatoes in Loudoun Valley Estates?
In Loudoun Valley Estates, start tomato seeds indoors around February 16–March 2, then transplant seedlings outdoors around April 20 once the danger of frost has passed.
Never miss a window in Loudoun Valley Estates
An email when it’s time to start seeds, transplant, and sow — timed to Loudoun Valley Estates’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Brambleton · 2 km
- Broadlands · 4 km
- Ashburn · 6 km
- Stone Ridge · 7 km
- South Riding · 8 km
- McNair · 9 km
- Sterling · 9 km
- Herndon · 11 km
Frost dates recorded at WFO STERLING, 2 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 Loudoun Valley Estates, VA — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00448084. Retrieved from https://blissgarden.com/virginia/loudoun-valley-estates.