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When to plant in Franconia, VA

USDA Zone 7b

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

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

Station · WASHINGTON REAGAN AP · 14.0 km
Last spring frost
March 24
50% chance · 32°F
First fall frost
November 18
50% chance · 32°F
Growing season
239 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for FranconiaA year-band showing 32°F frost risk from January to December for Franconia: last spring frost around March 24, first fall frost around November 18, about 239 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

WASHINGTON REAGAN AP · 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 Franconia’s own odds, recorded at WASHINGTON REAGAN AP.

Frost-probability curves for FranconiaProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 24 and the first fall frost around November 18, giving about 239 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°FApr 14Apr 3Mar 20Oct 26Nov 6Nov 20
32°FApr 6Mar 24Mar 7Nov 5Nov 18Dec 6
28°FMar 26Mar 12Feb 23Nov 14Dec 3Dec 24

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

What to plant now

TODAY · JULY 19
Fall sowin 10 days
Brussels Sprouts
July 29August 12
Fall sowin 24 days
Rutabaga
August 12August 26

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 Franconia, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 18 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.

WASHINGTON REAGAN AP
Primary
14 km · 3 m elevation
SPRING
Mar 24
FALL
Nov 18
OXON HILL
15 km · 58 m elevation
SPRING
Apr 3
FALL
Nov 8
VIENNA
18 km · 127 m elevation
SPRING
Apr 14
FALL
Oct 29

Franconia planting FAQ

When is the last spring frost in Franconia, VA?

Plan for the last spring frost in Franconia around March 24 (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 Franconia, VA?

Expect Franconia's first fall frost near November 18 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Franconia in?

Franconia 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 Franconia?

There are roughly 239 frost-free days in Franconia (a long growing season), running from the average last frost around March 24 to the first fall frost near November 18.

When should I plant tomatoes in Franconia?

In Franconia, start tomato seeds indoors around January 27–February 10, then transplant seedlings outdoors around March 31 once the danger of frost has passed.

Planting reminders

Never miss a window in Franconia

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

Nearby cities

8 within reach

Frost dates recorded at WASHINGTON REAGAN AP, 14 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 Franconia, VA — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013743. Retrieved from https://blissgarden.com/virginia/franconia.
When to Plant in Franconia, VA — Frost Dates & Zone 7b — BlissGarden