When to plant in Lake Ridge, VA
USDA Zone 7bLake Ridge, Virginia frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
These dates come from a station roughly 17 km away, the closest with full normals; terrain around Lake Ridge (elevation, water, pavement) can move your real frost dates a few days either way. In zone 7b, Lake Ridge supports a wide range of perennials year-round; the frost dates above are what set your annual vegetable timing.
Frost probability
MANASSAS · 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 Ridge’s own odds, recorded at MANASSAS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 10 | Apr 24 | Apr 11 | Oct 6 | Oct 18 | Oct 30 |
| 32°F | Apr 24 | Apr 12 | Mar 30 | Oct 13 | Oct 27 | Nov 7 |
| 28°F | Apr 14 | Apr 1 | Mar 17 | Oct 24 | Nov 5 | Nov 19 |
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 Ridge, 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.
Lake Ridge planting FAQ
When is the last spring frost in Lake Ridge, VA?
Lake Ridge's average last spring frost falls near April 12 — 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 Lake Ridge, VA?
Expect Lake Ridge's first fall frost near October 27 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Lake Ridge in?
Lake Ridge 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 Ridge?
Lake Ridge has about 198 frost-free days — a moderate growing season — between the average last spring frost (April 12) and first fall frost (October 27).
When should I plant tomatoes in Lake Ridge?
For Lake Ridge, sow tomatoes indoors about February 15–March 1 and move the seedlings out around April 19, after the last spring frost.
Never miss a window in Lake Ridge
An email when it’s time to start seeds, transplant, and sow — timed to Lake Ridge’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Dale City · 5 km
- Woodbridge · 7 km
- Lorton · 8 km
- Newington Forest · 8 km
- Montclair · 9 km
- Leesylvania · 9 km
- Newington · 11 km
- Burke · 11 km
Frost dates recorded at MANASSAS, 17 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 Ridge, VA — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00445204. Retrieved from https://blissgarden.com/virginia/lake-ridge.