What Grows in Franklin Farm, Virginia

USDA Zones 7a · 3K acres

Franklin Farm, Virginia, sits in USDA hardiness zone 7a — a range where zone-matched perennials and frost-aware annual timing set what succeeds.

These conditions suit cabbage, hazelnut, california poppy, and collard greens — a starting list any specific site will trim or extend with its own soil, sun, and drainage.

Score your parcel · free

Even in Franklin Farm, 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 Franklin Farm 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 Franklin Farm — soil, climate, flood, and parcel records. How we handle your address.

No card required · your full report in seconds

Franklin Farm — the short answer

Franklin Farm, Virginia: USDA zone 7a, about 224 days between hard freezes, across 3K acres of town.

USDA zone
7a
USDA PHZM 2023
Last hard freeze (28°F)
Mar 28
NOAA 1991–2020 Climate Normals, 28°F — this town
First hard freeze (28°F)
Nov 7
NOAA 1991–2020 Climate Normals, 28°F — this town
Days between freezes
~224
NOAA 1991–2020 Climate Normals, 28°F — this town
Town area
3K 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

7a7a
3a (Cold)13b (Hot)

Zone 7a is Franklin Farm's average, not your lot's — a low corner or a tree line moves it. Against Franklin Farm's 224-day season, see what your own ground reads.

Soil varies lot by lot — soil types explained.

What this means for growing in Franklin Farm

Each reading below is measured for Franklin Farm itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length

Measured

Franklin Farm runs about 224 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

Measured

Franklin Farm sits in USDA hardiness zone 7a.

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 Franklin Farm is in

Franklin Farm sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Franklin Farm's own centroid, and it is not what its county reads: Fairfax County is mostly Piedmont. The wider page above you is answering a different question about different ground.

What that means for soil

What Grows in Franklin Farm

Every plant below cleared Franklin Farm's own zone 7a and its 224-day season. Each card opens that plant's Virginia profile. How we score.

cabbage, photograph
Growing cabbage in VirginiaZones 2–11Franklin Farm's 7a — 5 zones of cold margin.
hazelnut, photograph
Virginia hazelnut guideZones 4–9Franklin Farm's 7a — 3 zones of cold margin.
California poppy, photograph
California poppy in VirginiaZones 6–10Franklin Farm's 7a — 1 zone of cold margin.
collard greens, photograph
Collard greens: Virginia growing notesZones 2–11Franklin Farm's 7a — 5 zones of cold margin.
pawpaw, photograph
Growing pawpaw in VirginiaZones 5–9Franklin Farm's 7a — 2 zones of cold margin.
lavender, photograph
Virginia lavender guideZones 5–8Franklin Farm's 7a — 2 zones of cold margin.
garlic, photograph
Garlic in VirginiaZones 2–10Franklin Farm's 7a — 5 zones of cold margin.
pecan, photograph
Pecan: Virginia growing notesZones 5–9Franklin Farm's 7a — 2 zones of cold margin.
Turkish rocket, photograph
Growing turkish rocket in VirginiaFranklin Farm's 224 days clear the ~90 it needs.
kale, photograph
Virginia kale guideZones 2–11Franklin Farm's 7a — 5 zones of cold margin.
prickly pear, photograph
Prickly pear in VirginiaZones 5–10Franklin Farm's 7a — 2 zones of cold margin.
lentil, photograph
Lentil: Virginia growing notesZones 2–11Franklin Farm's 224 days clear the ~70 it needs.
apple, photograph
Growing apple in VirginiaZones 3–8Franklin Farm's 7a — 4 zones of cold margin.
okra, photograph
Virginia okra guideZones 2–12Franklin Farm's 224 days clear the ~50 it needs.
potato, photograph
Potato in VirginiaZones 2–11Franklin Farm's 7a — 5 zones of cold margin.
iris, photograph
Iris: Virginia growing notesZones 3–10Franklin Farm's 7a — 4 zones of cold margin.
sunflower, photograph
Growing sunflower in VirginiaZones 2–11Franklin Farm's 224 days clear the ~70 it needs.
Apache plume, photograph
Virginia apache plume guideZones 5–11Franklin Farm's 7a — 2 zones of cold margin.
hops, photograph
Hops in VirginiaZones 3–8Franklin Farm's 7a — 4 zones of cold margin.
hosta, photograph
Hosta: Virginia growing notesZones 3–8Franklin Farm's 7a — 4 zones of cold margin.
French marigold, photograph
Growing french marigold in VirginiaFranklin Farm's 224 days clear the ~50 it needs.
holly, photograph
Virginia holly guideZones 5–11Franklin Farm's 7a — 2 zones of cold margin.
Virginia creeper, photograph
Virginia creeper in VirginiaZones 3–9Franklin Farm's 7a — 4 zones of cold margin.
tulip, photograph
Tulip: Virginia growing notesZones 6–8Franklin Farm's 7a — 1 zone of cold margin.
American elm, photograph
Growing american elm in VirginiaZones 3–9Franklin Farm's 7a — 4 zones of cold margin.
Ethiopian mustard, photograph
Virginia ethiopian mustard guideZones 4–10Franklin Farm's 7a — 3 zones of cold margin.
Kentucky bluegrass, botanical illustration
Kentucky bluegrass in VirginiaZones 2–7Franklin Farm's 7a — 5 zones of cold margin.
Douglas fir, photograph
Douglas fir: Virginia growing notesZones 4–10Franklin Farm's 7a — 3 zones of cold margin.
Japanese millet, photograph
Growing japanese millet in VirginiaZones 5–10Franklin Farm's 224 days clear the ~45 it needs.
Eastern gamagrass, photograph
Virginia eastern gamagrass guideZones 5–9Franklin Farm's 7a — 2 zones of cold margin.

Is it too late to plant in Franklin Farm?

Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Feb 28; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 28 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 7 — long-season crops need about 90 days of runway, quick greens only 30. A long window like this one runs successions deep into fall — and even its last weeks take quick greens and garlic.

Documented around Franklin Farm

Spotted lanternfly documented 1 miles from Franklin Farm, first recorded 2022. What to watch for.

What's on the federal record near Franklin Farm

Closest first, within ~10 miles of Franklin Farm. Listing isn't leaking, and distance isn't exposure.

  1. 7-Eleven Inc 40305Underground Storage Tanks · 0.6 mi
  2. SUNOCOBrownfields · 0.6 mi
  3. SEARS HARDWARE # 5184Brownfields · 0.7 mi
  4. GIANT FOOD STORE 0179 FRANKLIN FARMSUnderground Storage Tanks · 0.7 mi
  5. 7-ELEVEN #23427Underground Storage Tanks · 1.0 mi
  6. 51V 14FNitrate · 1.1 mi
  7. GORDONS REFUSE / GROVES PLUMBING & HEATUnderground Storage Tanks · 1.4 mi
  8. BELL ATLANTICUnderground Storage Tanks · 1.4 mi
  9. 51V 4JNitrate · 1.4 mi
  10. CVS PHARMACY #2155Brownfields · 1.4 mi
  11. MERIT CLEANERSBrownfields · 1.4 mi
  12. McLearen ShellUnderground Storage Tanks · 1.4 mi

6 more sites are on the record inside the same radius. See them on the map

Measured from Franklin Farm'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 Franklin Farm.

Total Sites

1,951

within ~10 miles of Franklin Farm

Risk Level

Elevated

Highest-severity

2 Superfund sites (none NPL-listed)

Severity Distribution

within ~10 miles of Franklin Farm

High4Moderate434Low1,513

Highest-Severity Sites

Herndon, Town of
PFAS Sampling · PFAS Detected
Loudoun Water - Central System
PFAS Sampling · PFAS Detected
Vienna, Town of
PFAS Sampling · PFAS Detected
1759 1760 Bcd Reston LLC
Underground Storage Tanks · Open UST(S)
1759 1760 Bcd Reston LLC
Underground Storage Tanks · Open UST(S)

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.
  • TRI facilities report what they release. Check the wind — downwind beds catch more of it.
Free Report

Check your specific parcel in Franklin Farm

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 Franklin Farm average

Your land is one point inside Franklin Farm

Everything above resolves to Franklin Farm as a whole — one PHZM band and one 28°F frost record, read across 3K 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 town 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 Franklin Farm Average

Franklin Farm Average

  • USDA Zones 7a, averaged across Franklin Farm
  • One soil character for all of Franklin Farm
  • Frost dates read at Franklin Farm's scale: Mar 28 to Nov 7

YOUR Parcel

  • Your exact zone, not Franklin Farm's 7a
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your specific parcel in Franklin Farm

Pull a site-specific report for your exact address in Franklin Farm, Virginia — soil, sun, drainage, frost risk, and scored plant recommendations.

Three things about your lot that Franklin Farm averages can't show:

Your soil pHYour frost-free days — Franklin Farm averages 224Your sun & shade

We read public map data around Franklin Farm — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources read at your address, not the Franklin Farm average

How we know this about Franklin Farm

The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Franklin Farm’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 town grain anywhere on this page — there is no town-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 Franklin Farm

When does frost risk typically end in Franklin Farm?

The last hard freeze (28°F) in Franklin Farm typically lands around Mar 28, 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 18.

When is the first frost in Franklin Farm?

The first hard freeze (28°F) in Franklin Farm typically arrives around Nov 7, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 24, so the watching starts about Oct 8 — about 224 days after the spring freeze cleared.

How long is the growing season in Franklin Farm?

Measured between 28°F hard freezes, Franklin Farm sees about 224 frost-free days — roughly Mar 28 through Nov 7, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 18 to Oct 24, about 189 days.

Is the soil safe to grow vegetables in Franklin Farm?

The federal record around Franklin Farm is a meaningful one — 1,951 documented sites, mostly Underground Storage Tanks entries (952), the nearest Underground Storage Tanks record about 0.6 miles 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 Franklin Farm?

From about Oct 8 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 7 (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 7. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.

Everything above is measured at Franklin Farm's scale — its 7a band and its 224-day season. Your yard writes its own version of Franklin Farm'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 Franklin Farm’s own scale

7 of the readings below were taken at Franklin Farm's own scale — its own ~224-day season between 28°F freezes, the 3,039 acres it covers and 1,951 documented sites around it; 4 are borrowed from a wider read, named and linked below.

Measured here

  • Franklin Farm's own USDA hardiness band, zones 7aUSDA PHZM 2023
  • Franklin Farm's own 28°F hard-freeze dates, about Mar 28 and Nov 7 and the ~224-day span between themNOAA 1991–2020 Climate Normals
  • 1,951 documented contamination sites on the federal record near Franklin Farm, the closest Underground Storage Tanks record about 0.6 miles out from the town centreFederal environmental registers
  • Franklin Farm's boundary and the 3,039 acres inside itUS Census TIGER/Line 2025
  • Which of 1,086 plants clear zones 7a and a ~224-day seasonGrowable Ground crop-matching engine
  • Franklin Farm sits in the Northern Piedmont — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
  • A documented spotted-lanternfly record within reach of Franklin Farmlydemapr (De Bona & Helmus), 10 km survey lattice

Inherited from a wider read

  • Soil character — no town-scale survey exists, so Franklin Farm's 3,039 acres read through its county's SSURGO summaryfrom Fairfax County
  • Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Fairfax 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 Fairfax County

What this page can’t tell you

  • The soil pH, drainage, sun hours, and frost pockets on any one lot among Franklin Farm's 3,039 acreswhy one lot differs from the next
  • Which side of Franklin Farm you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,039 acresreading your own microclimate
  • How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.6 miles 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 Franklin Farm-wide figureread your own land
The next step finer is your own address