What Grows in Urbana, Maryland

USDA Zones 6a-7b · 5K acres

Urbana, Maryland, sits in USDA hardiness zones 6a-7b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.

These conditions suit tomato, black-eyed susan, peach, and sweet corn — a starting list any specific site will trim or extend with its own soil, sun, and drainage.

Score your parcel · free

Even in Urbana, 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 Urbana lot. Enter your address and we'll score 1,112 plants against your land's actual soil, sun, and frost.

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

No card required · your full report in seconds

Quick Facts

USDA Zones

6a-7b

Last Hard Freeze (28°F)

Mar 13

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Dec 2

Town normal — light frosts arrive a few weeks earlier

Town Area

5K acres

Hardiness Zone Range

6a
7b
3a (Cold)13b (Hot)

Zone maps are averages across Urbana. Your yard's slope, trees, and frost pockets shift what actually grows — see your land's exact reading.

Soil varies lot by lot — soil types explained.

Is it too late to plant in Urbana?

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 13; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 2 — long-season crops need about 90 days of runway, quick greens only 30. Here the calendar nearly circles: cool-season crops take the winter shift, and the next window is always close.

Growing Challenges in Maryland

What an experienced grower plans around here — each one has a move.

Heavy Piedmont clay drains poorly

A raised bed today, compost every fall — Piedmont clay becomes an asset once the drainage is yours.

Humidity and heat in summer promote disease

Morning watering at the base, room to breathe between plants, resistant varieties — the humid-summer basics, per your extension.

Deer pressure in suburban areas is extreme

A tall fence is the answer that holds; for everything outside it, lean toward the plants deer reliably skip.

For cultivar selection, pest pressure, and planting-time guidance specific to Maryland, the University of Maryland Extension is the authoritative local source.

Environmental Intelligence

Understanding what's nearby helps you make informed decisions about where and how to grow.

Total Sites

867

within ~10 miles of Urbana

Risk Level

High

Highest-severity

5 Superfund sites

Severity Distribution

within ~10 miles of Urbana

High7Moderate232Low628

Highest-Severity Sites

City of Frederick
PFAS Sampling · PFAS Detected
Fort Detrick Area a
Superfund · Superfund (Non-NPL)
New Life Christian School
PFAS Sampling · PFAS Detected
US Army Fort Detrick
Superfund · Superfund NPL

Know Before You Grow

  • Underground tanks can leak petroleum products. Soil testing near former gas stations is recommended.
  • Raised beds with imported soil can reduce exposure risk near brownfield sites.
  • Test well water for nitrates if you rely on a private well. Levels above 10 mg/L require treatment.
Free Report

Check your specific parcel in Urbana

Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,112 plant recommendations.

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Your Specific Parcel Matters

Urbana Average

  • USDA Zones 6a-7b
  • Generic soil type for the area
  • State-average frost dates

YOUR Parcel

  • Your exact hardiness zone
  • Your SSURGO soil type & pH
  • Your sun exposure, cast in 3D

See MY Growing Report

Free Report

Read your specific parcel in Urbana

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

Three things about your exact spot that zone averages miss:

Your soil pHYour frost-free daysYour sun & shade

We read public map data for this spot — soil, climate, flood, and parcel records. How we handle your address.

25+ data sources analyzed in seconds

Key Growing Facts for Urbana, Maryland

  • USDA Hardiness Zones: 6a-7b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Mar 13 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Dec 2 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~264 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 5K acres (US Census TIGER 2025)

Zone data: USDA ARS Plant Hardiness Zone Map 2023. Climate data: NOAA NCEI. Boundaries: US Census TIGER/Line 2025.

Frequently Asked Questions

What hardiness zone is Urbana, Maryland?

Urbana sits in USDA hardiness zones 6a-7b, per the USDA Plant Hardiness Zone Map 2023. Zones reflect average annual extreme minimum temperatures from 1991–2020 weather data.

Is it too late to plant in Urbana?

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 13; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 13 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 2 — long-season crops need about 90 days of runway, quick greens only 30. Here the calendar nearly circles: cool-season crops take the winter shift, and the next window is always close.

When does frost risk typically end in Urbana?

The last hard freeze (28°F) in Urbana typically lands around Mar 13, per NOAA 1991–2020 climate normals — an earlier marker than the light-frost dates many planting charts quote. That marks the hard freeze, not the last light frost — light frosts can still bite for a few more weeks, so tender transplants usually wait another 2–3 weeks.

When is the first frost in Urbana?

The first hard freeze (28°F) in Urbana typically arrives around Dec 2, per NOAA 1991–2020 climate normals — the point most tender summer crops finish. Lighter frosts usually reach a couple of weeks earlier, so watch the forecast from late summer on and harvest or cover tender plants before the first cold night.

What vegetables grow in Urbana?

Urbana's zones 6a-7b support a wide range — strong performers include Tomato, Black-eyed Susan, Peach, Sweet Corn, and Crab Apple. What actually takes on any one site comes down to its soil, sun, and drainage, and we score each plant against the real conditions at your address.

Which hardiness zone is Urbana, really?

Officially, Urbana sits in USDA zones 6a-7b (USDA PHZM 2023) — but a zone is a 30-year average of winter's coldest night across an area, and it can't see any one yard. A south-facing slope, a tree line, or a low frost pocket can shift a single site by half a zone either way, which is why neighboring gardeners often quote different numbers. We read the conditions at your exact address — soil, sun, slope, and frost — and score 1,112 plants against what's actually there.

Is the soil safe to grow vegetables in Urbana?

The federal record around Urbana runs heavier than most — 867 documented sites — so test the soil before planting food in the ground, and raised beds with clean imported soil grow well in the meantime. Even here, proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what's recorded and where.

How do I protect my plants from frost in Urbana?

As the season closes around the first 28°F hard freeze near Dec 2 (NOAA 1991–2020 climate normals), a few moves buy time: cover tender plants with floating row cover or an old sheet on still, clear nights, water the soil the afternoon before a freeze so it holds warmth overnight, and harvest frost-tender crops like tomatoes, peppers, and basil before the first hard night. Hardy greens and root crops shrug off light frost and often sweeten after it, so leave them in.

Everything on this page is a Urbana average. Your yard writes its own version — we read soil, sun, drainage, and frost at your exact address. Try it for 14 days — no card required.