Falls Church, Virginia, sits in USDA hardiness zone 7b — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
On paper, cabbage, prickly pear, california poppy, and collard greens all suit these conditions — on the ground, soil, sun, and drainage make the final call.
Even in Falls Church, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Falls Church lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Falls Church — soil, climate, flood, and parcel records. How we handle your address.
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Falls Church — the short answer
Falls Church, Virginia: USDA zone 7b, about 240 days between hard freezes, across 1K acres of city.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 23
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 18
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~240
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 1K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 7b is Falls Church's average, not your lot's — a low corner or a tree line moves it. Against Falls Church's 240-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Falls Church
Each reading below is measured for Falls Church itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredFalls Church runs about 240 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredFalls Church sits in USDA hardiness zone 7b.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Falls Church is in
Falls Church sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Falls Church's own centroid rather than borrowed from Falls Church city.
What Grows in Falls Church
Every plant below cleared Falls Church's own zone 7b and its 240-day season. Each card opens that plant's Virginia profile. How we score.
Is it too late to plant in Falls Church?
Too late for some crops, right on time for others — a growing season is a sequence, not a deadline. Cool-season crops can go in from around Feb 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 23 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 18 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
Documented around Falls Church
Spotted lanternfly documented 2 miles from Falls Church, first recorded 2020. What to watch for.
What's on the federal record near Falls Church
Closest first, within ~10 miles of Falls Church. Listing isn't leaking, and distance isn't exposure.
- CHEVRON USA PRODUCTS CO #122195Brownfields · 150 ft
- EXXON CO USA #27570Brownfields · 300 ft
- Exxon #27570Underground Storage Tanks · 300 ft
- POTOMAC CLEANERSBrownfields · 300 ft
- FALLS CHURCH SERVICENTER INCUnderground Storage Tanks · 400 ft
- HARRIS TEETER 307Brownfields · 650 ft
- FALLS CHURCH POST OFFICEUnderground Storage Tanks · 650 ft
- City of Falls ChurchUnderground Storage Tanks · 750 ft
- West Broad TexacoUnderground Storage Tanks · 1100 ft
- CVS PHARMACY #1905Brownfields · 1200 ft
- PARK TOWERSBrownfields · 1200 ft
- PARK TOWERS CONDOMINIUMUnderground Storage Tanks · 1500 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Falls Church's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Falls Church.
Total Sites
4,882
within ~10 miles of Falls Church
Risk Level
Elevated
Highest-severity
52 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Falls Church
Severity Distribution
within ~10 miles of Falls Church
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
Check your specific parcel in Falls Church
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Falls Church average
Your land is one point inside Falls Church
Everything above resolves to Falls Church as a whole — one PHZM band and one 28°F frost record, read across 1K acres. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at city scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Falls Church Average
Falls Church Average
- ●USDA Zones 7b, averaged across Falls Church
- ●One soil character for all of Falls Church
- ●Frost dates read at Falls Church's scale: Mar 23 to Nov 18
YOUR Parcel
- ✓Your exact zone, not Falls Church's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Falls Church
Pull a site-specific report for your exact address in Falls Church, Virginia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Falls Church averages can't show:
We read public map data around Falls Church — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Falls Church average
How we know this about Falls Church
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Falls Church’s own record; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at city grain anywhere on this page — there is no city-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Falls Church
When does frost risk typically end in Falls Church?
The last hard freeze (28°F) in Falls Church typically lands around Mar 23, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Apr 13.
When is the first frost in Falls Church?
The first hard freeze (28°F) in Falls Church typically arrives around Nov 18, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 4, so the watching starts about Oct 19 — about 240 days after the spring freeze cleared.
How long is the growing season in Falls Church?
Measured between 28°F hard freezes, Falls Church sees about 240 frost-free days — roughly Mar 23 through Nov 18, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 13 to Nov 4, about 205 days.
Is the soil safe to grow vegetables in Falls Church?
The federal record around Falls Church is a meaningful one — 4,882 documented sites, mostly Underground Storage Tanks entries (2,628), the nearest Brownfields record under a tenth of a mile out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Falls Church?
From about Oct 19 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Nov 18 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Nov 18. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Falls Church's scale — its 7b band and its 240-day season. Your yard writes its own version of Falls Church's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Falls Church’s own scale
7 of the readings below were taken at Falls Church's own scale — its own ~240-day season between 28°F freezes, the 1,309 acres it covers and 4,882 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Falls Church's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Falls Church's own 28°F hard-freeze dates, about Mar 23 and Nov 18 and the ~240-day span between themNOAA 1991–2020 Climate Normals
- 4,882 documented contamination sites on the federal record near Falls Church, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Falls Church's boundary and the 1,309 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~240-day seasonGrowable Ground crop-matching engine
- The ecoregion at Falls Church's own centroid, the Northern PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Falls Churchlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Falls Church's 1,309 acres read through its county's SSURGO summaryfrom Falls Church County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Falls Church County
- The growing challenges every Virginia grower plans around — written at state scale, so they stay on the state guidefrom Virginia
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Falls Church County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Falls Church's 1,309 acreswhy one lot differs from the next →
- Which side of Falls Church you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,309 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record under a tenth of a mile out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Falls Church-wide figureread your own land →