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When to plant in Wolf Trap, VA

USDA Zone 7b

Here are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Wolf Trap, Virginia — all computed from Wolf Trap's nearest NOAA weather station.

Zone 7b means many perennials and even some tender shrubs overwinter in Wolf Trap, while your frost dates still decide when annuals go out.

Station · VIENNA · 5.1 km
Last spring frost
April 14
50% chance · 32°F
First fall frost
October 29
50% chance · 32°F
Growing season
198 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for Wolf TrapA year-band showing 32°F frost risk from January to December for Wolf Trap: last spring frost around April 14, first fall frost around October 29, about 198 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

VIENNA · 1991–2020

The 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 Wolf Trap’s own odds, recorded at VIENNA.

Frost-probability curves for Wolf TrapProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 14 and the first fall frost around October 29, giving about 198 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 10Apr 25Apr 11Oct 7Oct 19Nov 1
32°FApr 28Apr 14Mar 30Oct 17Oct 29Nov 11
28°FApr 16Apr 2Mar 18Oct 26Nov 8Nov 23

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowopen now
Brussels Sprouts
July 9July 23
Fall sowin 4 days
Rutabaga
July 23August 6
Fall sowin 18 days
Broccoli
August 6August 20
Fall sowin 18 days
Cabbage
August 6August 20
Fall sowin 18 days
Carrot
August 6August 20
Fall sowin 18 days
Cauliflower
August 6August 20
Fall sowin 18 days
Napa Cabbage
August 6September 3

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Wolf Trap, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 16 km · complete 32°F normals

When 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
Primary
5 km · 127 m elevation
SPRING
Apr 14
FALL
Oct 29
DALECARLIA RSVR
15 km · 46 m elevation
SPRING
Apr 9
FALL
Oct 31
WASHINGTON DC DULLES AP
16 km · 88 m elevation
SPRING
Apr 15
FALL
Oct 24

Wolf Trap planting FAQ

When is the last spring frost in Wolf Trap, VA?

Wolf Trap'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 Wolf Trap, VA?

Expect Wolf Trap's first fall frost near October 29 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Wolf Trap in?

Wolf Trap 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 Wolf Trap?

There are roughly 198 frost-free days in Wolf Trap (a moderate growing season), running from the average last frost around April 14 to the first fall frost near October 29.

When should I plant tomatoes in Wolf Trap?

In Wolf Trap, start tomato seeds indoors around February 17–March 3, then transplant seedlings outdoors around April 21 once the danger of frost has passed.

Planting reminders

Never miss a window in Wolf Trap

An email when it’s time to start seeds, transplant, and sow — timed to Wolf Trap’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at VIENNA, 5 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Wolf Trap, VA — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00448737. Retrieved from https://blissgarden.com/virginia/wolf-trap.
When to Plant in Wolf Trap, VA — Frost Dates & Zone 7b — BlissGarden