What Grows in Rohrersville, Maryland

USDA Zones 6a-7b · 221 acres

Rohrersville, Maryland, sits in USDA hardiness zones 6a-7b — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.

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 Rohrersville, 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 Rohrersville 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.

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Quick Facts

USDA Zones

6a-7b

Last Hard Freeze (28°F)

Mar 17

Town normal — light frosts run a few weeks later

First Hard Freeze (28°F)

Nov 28

Town normal — light frosts arrive a few weeks earlier

Town Area

221 acres

Hardiness Zone Range

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

Zone maps are averages across Rohrersville. 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 Rohrersville?

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 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 28 — 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.

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

608

within ~10 miles of Rohrersville

Risk Level

Elevated

Highest-severity

2 Superfund sites

Severity Distribution

within ~10 miles of Rohrersville

High6Moderate425Low177

Highest-Severity Sites

Boonsboro - Keedysville
PFAS Sampling · PFAS Detected
Ac&T Lappans
Underground Storage Tanks · Open UST(S)
Alex Convenience Store
Underground Storage Tanks · Open UST(S)
Antietam National Battlefield Maintenance Facility
Underground Storage Tanks · Open UST(S)
Boonsboro Ac & T
Underground Storage Tanks · Open UST(S)

A note from Gnorman

What an experienced grower watches for around here

In and around Rohrersville, two things run higher than the national average — Nitrate (390 sites) and PFAS (5 sites). It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.

Nitrate: Nitrate contamination primarily comes from agricultural fertilizer runoff and failing septic systems.

PFAS: PFAS (per- and polyfluoroalkyl substances) are called "forever chemicals" because they do not biodegrade.

Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).

Test irrigation water source — this is the primary pathway for PFAS to reach garden crops.

Free Report

Check your specific parcel in Rohrersville

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

Rohrersville 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 Rohrersville

Pull a site-specific report for your exact address in Rohrersville, 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 Rohrersville, Maryland

  • USDA Hardiness Zones: 6a-7b (USDA PHZM 2023)
  • Last Hard Freeze (28°F): Mar 17 (town normal, NOAA 1991–2020 Climate Normals — light frosts can follow for a few weeks)
  • First Hard Freeze (28°F): Nov 28 (town normal, NOAA 1991–2020 Climate Normals — light frosts can arrive a few weeks earlier)
  • Days Between Hard Freezes: ~256 (town normal, NOAA 1991–2020 Climate Normals)
  • Land Area: 221 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 Rohrersville, Maryland?

Rohrersville 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 Rohrersville?

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 17; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 17 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 28 — 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.

When does frost risk typically end in Rohrersville?

The last hard freeze (28°F) in Rohrersville typically lands around Mar 17, 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 Rohrersville?

The first hard freeze (28°F) in Rohrersville typically arrives around Nov 28, 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 Rohrersville?

Rohrersville'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 Rohrersville, really?

Officially, Rohrersville 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 Rohrersville?

The federal record around Rohrersville is a meaningful one — 608 documented sites — 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 Rohrersville?

As the season closes around the first 28°F hard freeze near Nov 28 (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 Rohrersville 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.