What Grows in University Center, Virginia

USDA Zones 7a · 588 acres

University Center, Virginia, sits in USDA hardiness zone 7a — a zone band wide enough that plant choice, not possibility, is the interesting question.

The conditions favor cabbage, hazelnut, california poppy, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.

Score your parcel · free

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

No card required · your full report in seconds

University Center — the short answer

University Center, Virginia: USDA zone 7a, about 220 days between hard freezes, across 588 acres of town.

USDA zone
7a
USDA PHZM 2023
Last hard freeze (28°F)
Mar 29
NOAA 1991–2020 Climate Normals, 28°F — this town
First hard freeze (28°F)
Nov 4
NOAA 1991–2020 Climate Normals, 28°F — this town
Days between freezes
~220
NOAA 1991–2020 Climate Normals, 28°F — this town
Town area
588 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 University Center's average, not your lot's — a low corner or a tree line moves it. Against University Center's 220-day season, see what your own ground reads.

Soil varies lot by lot — soil types explained.

What this means for growing in University Center

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

Season length

Measured

University Center runs about 220 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

University Center 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 University Center is in

University Center sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at University Center's own centroid rather than borrowed from Loudoun County.

What that means for soil

What Grows in University Center

Every plant below cleared University Center's own zone 7a and its 220-day season. Each card opens that plant's Virginia profile. How we score.

cabbage, photograph
Growing cabbage in VirginiaZones 2–11University Center's 7a — 5 zones of cold margin.
hazelnut, photograph
Virginia hazelnut guideZones 4–9University Center's 7a — 3 zones of cold margin.
California poppy, photograph
California poppy in VirginiaZones 6–10University Center's 7a — 1 zone of cold margin.
collard greens, photograph
Collard greens: Virginia growing notesZones 2–11University Center's 7a — 5 zones of cold margin.
pawpaw, photograph
Growing pawpaw in VirginiaZones 5–9University Center's 7a — 2 zones of cold margin.
lavender, photograph
Virginia lavender guideZones 5–8University Center's 7a — 2 zones of cold margin.
garlic, photograph
Garlic in VirginiaZones 2–10University Center's 7a — 5 zones of cold margin.
pecan, photograph
Pecan: Virginia growing notesZones 5–9University Center's 7a — 2 zones of cold margin.
Turkish rocket, photograph
Growing turkish rocket in VirginiaUniversity Center's 220 days clear the ~90 it needs.
kale, photograph
Virginia kale guideZones 2–11University Center's 7a — 5 zones of cold margin.
prickly pear, photograph
Prickly pear in VirginiaZones 5–10University Center's 7a — 2 zones of cold margin.
lentil, photograph
Lentil: Virginia growing notesZones 2–11University Center's 220 days clear the ~70 it needs.
apple, photograph
Growing apple in VirginiaZones 3–8University Center's 7a — 4 zones of cold margin.
okra, photograph
Virginia okra guideZones 2–12University Center's 220 days clear the ~50 it needs.
potato, photograph
Potato in VirginiaZones 2–11University Center's 7a — 5 zones of cold margin.
iris, photograph
Iris: Virginia growing notesZones 3–10University Center's 7a — 4 zones of cold margin.
sunflower, photograph
Growing sunflower in VirginiaZones 2–11University Center's 220 days clear the ~70 it needs.
Apache plume, photograph
Virginia apache plume guideZones 5–11University Center's 7a — 2 zones of cold margin.
hops, photograph
Hops in VirginiaZones 3–8University Center's 7a — 4 zones of cold margin.
hosta, photograph
Hosta: Virginia growing notesZones 3–8University Center's 7a — 4 zones of cold margin.
French marigold, photograph
Growing french marigold in VirginiaUniversity Center's 220 days clear the ~50 it needs.
holly, photograph
Virginia holly guideZones 5–11University Center's 7a — 2 zones of cold margin.
Virginia creeper, photograph
Virginia creeper in VirginiaZones 3–9University Center's 7a — 4 zones of cold margin.
tulip, photograph
Tulip: Virginia growing notesZones 6–8University Center's 7a — 1 zone of cold margin.
American elm, photograph
Growing american elm in VirginiaZones 3–9University Center's 7a — 4 zones of cold margin.
Ethiopian mustard, photograph
Virginia ethiopian mustard guideZones 4–10University Center's 7a — 3 zones of cold margin.
Kentucky bluegrass, botanical illustration
Kentucky bluegrass in VirginiaZones 2–7University Center's 7a — 5 zones of cold margin.
Douglas fir, photograph
Douglas fir: Virginia growing notesZones 4–10University Center's 7a — 3 zones of cold margin.
Japanese millet, photograph
Growing japanese millet in VirginiaZones 5–10University Center's 220 days clear the ~45 it needs.
Eastern gamagrass, photograph
Virginia eastern gamagrass guideZones 5–9University Center's 7a — 2 zones of cold margin.

Is it too late to plant in University Center?

Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 1; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 29 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 4 — 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 University Center

Spotted lanternfly documented 3 miles from University Center, first recorded 2022. What to watch for.

What's on the federal record near University Center

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

  1. George Washington University VA Campus Bldg IUnderground Storage Tanks · 950 ft
  2. NTSB Training AcademyUnderground Storage Tanks · 1200 ft
  3. SHEETZ #710Brownfields · 1200 ft
  4. STUDIBAKERS RESIDENCEUnderground Storage Tanks · 2200 ft
  5. RAYTHEON E-SYSTEMS, INCBrownfields · 0.5 mi
  6. George Washington Univ VA Campus Bldg IIUnderground Storage Tanks · 0.5 mi
  7. 51W 3ENitrate · 0.7 mi
  8. XCAL SHOOTING SPORTS AND FITNESSBrownfields · 0.8 mi
  9. Commonwealth OCXUnderground Storage Tanks · 0.9 mi
  10. BUFFERZONE VA WAREHOUSEBrownfields · 1.0 mi
  11. LSQ One/NALC BuildingUnderground Storage Tanks · 1.0 mi
  12. UNIVERSITY CENTERUnderground Storage Tanks · 1.0 mi

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

Measured from University Center'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 University Center.

Total Sites

1,024

within ~10 miles of University Center

Risk Level

Elevated

Highest-severity

3 Superfund sites

Severity Distribution

within ~10 miles of University Center

High5Moderate258Low761

Highest-Severity Sites

Dulles Airport
PFAS Sampling · PFAS Detected
Hidden Lane Landfill
Superfund · Superfund NPL
50V 90
Nitrate Monitoring · Well
50V 91
Nitrate Monitoring · Well
50W 13B
Nitrate Monitoring · Well

Know Before You Grow

  • Near a brownfield, raised beds of imported soil give your food clean ground.
  • Underground tanks leak petroleum as they age — near a former filling station, test the soil.
  • On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
Free Report

Check your specific parcel in University Center

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 University Center average

Your land is one point inside University Center

Everything above resolves to University Center as a whole — one PHZM band and one 28°F frost record, read across 588 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 University Center Average

University Center Average

  • USDA Zones 7a, averaged across University Center
  • One soil character for all of University Center
  • Frost dates read at University Center's scale: Mar 29 to Nov 4

YOUR Parcel

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

See MY Growing Report

Free Report

Read your specific parcel in University Center

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

Three things about your lot that University Center averages can't show:

Your soil pHYour frost-free days — University Center averages 220Your sun & shade

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

25+ data sources read at your address, not the University Center average

How we know this about University Center

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 University Center’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 University Center

When does frost risk typically end in University Center?

The last hard freeze (28°F) in University Center typically lands around Mar 29, 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 19.

When is the first frost in University Center?

The first hard freeze (28°F) in University Center typically arrives around Nov 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 21, so the watching starts about Oct 5 — about 220 days after the spring freeze cleared.

How long is the growing season in University Center?

Measured between 28°F hard freezes, University Center sees about 220 frost-free days — roughly Mar 29 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 19 to Oct 21, about 185 days.

Is the soil safe to grow vegetables in University Center?

The federal record around University Center is a meaningful one — 1,024 documented sites, mostly Brownfields entries (473), the nearest Underground Storage Tanks record about 0.2 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 University Center?

From about Oct 5 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.

Everything above is measured at University Center's scale — its 7a band and its 220-day season. Your yard writes its own version of University Center'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 University Center’s own scale

7 of the readings below were taken at University Center's own scale — its own ~220-day season between 28°F freezes, the 588 acres it covers and 1,024 documented sites around it; 4 are borrowed from a wider read, named and linked below.

Measured here

  • University Center's own USDA hardiness band, zones 7aUSDA PHZM 2023
  • University Center's own 28°F hard-freeze dates, about Mar 29 and Nov 4 and the ~220-day span between themNOAA 1991–2020 Climate Normals
  • 1,024 documented contamination sites on the federal record near University Center, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
  • University Center's boundary and the 588 acres inside itUS Census TIGER/Line 2025
  • Which of 1,086 plants clear zones 7a and a ~220-day seasonGrowable Ground crop-matching engine
  • The ecoregion at University Center's own centroid, the Northern PiedmontUS EPA Level III Ecoregions
  • A documented spotted-lanternfly record within reach of University Centerlydemapr (De Bona & Helmus), 10 km survey lattice

Inherited from a wider read

  • Soil character — no town-scale survey exists, so University Center's 588 acres read through its county's SSURGO summaryfrom Loudoun County
  • Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Loudoun 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 Loudoun County

What this page can’t tell you

  • The soil pH, drainage, sun hours, and frost pockets on any one lot among University Center's 588 acreswhy one lot differs from the next
  • Which side of University Center you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 588 acresreading your own microclimate
  • How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.2 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 University Center-wide figureread your own land
The next step finer is your own address