Mechanicsville, Virginia, sits in USDA hardiness zone 7b — a range where zone-matched perennials and frost-aware annual timing set what succeeds.
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 Mechanicsville, 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 Mechanicsville 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 Mechanicsville — soil, climate, flood, and parcel records. How we handle your address.
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Mechanicsville — the short answer
Mechanicsville, Virginia: USDA zone 7b, about 235 days between hard freezes, across 18K acres of town.
- USDA zone
- 7b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 24
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 14
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~235
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 18K 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 Mechanicsville's average, not your lot's — a low corner or a tree line moves it. Against Mechanicsville's 235-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Mechanicsville
Each reading below is measured for Mechanicsville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMechanicsville runs about 235 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
MeasuredMechanicsville 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 Mechanicsville is in
Mechanicsville sits in the Southeastern Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Mechanicsville's own centroid rather than borrowed from Hanover County.
What Grows in Mechanicsville
Every plant below cleared Mechanicsville's own zone 7b and its 235-day season. Each card opens that plant's Virginia profile. How we score.
Is it too late to plant in Mechanicsville?
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 24; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 24 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 14 — 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 Mechanicsville
Spotted lanternfly documented 5 miles from Mechanicsville, first recorded 2023. What to watch for.
What's on the federal record near Mechanicsville
Closest first, within ~10 miles of Mechanicsville. Listing isn't leaking, and distance isn't exposure.
- 7-ELEVEN, INC. # 33301Brownfields · 1300 ft
- 7-Eleven #33301Underground Storage Tanks · 1400 ft
- East End Middle School (Former)Underground Storage Tanks · 1500 ft
- SHEETZ #699Brownfields · 2400 ft
- Breez-In 7Underground Storage Tanks · 0.5 mi
- JAMES S TALLEYUnderground Storage Tanks · 0.8 mi
- S P R OF RICHMONDBrownfields · 0.9 mi
- 7 Eleven Inc 40020Underground Storage Tanks · 1.1 mi
- FEARNOW BROTHERS INCUnderground Storage Tanks · 1.1 mi
- VDOT-Mechanicsville HeadquartersUnderground Storage Tanks · 1.2 mi
- VDOT MECHANICSVILLE AREA HDQBrownfields · 1.2 mi
- STUBBS AUTOUnderground Storage Tanks · 1.2 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Mechanicsville'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 Mechanicsville.
Total Sites
2,107
within ~10 miles of Mechanicsville
Risk Level
Elevated
Highest-severity
7 Superfund sites
Sources Checked
within ~10 miles of Mechanicsville
Severity Distribution
within ~10 miles of Mechanicsville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Mechanicsville, Underground Storage Tanks runs higher than the national average — 1,469 sites within ~10 miles of Mechanicsville. Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Underground Storage Tanks: Underground storage tanks are the single most common source of soil contamination near homes and gardens.
Use raised beds with imported soil — this eliminates the primary soil-contact pathway.
Check your specific parcel in Mechanicsville
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 Mechanicsville average
Your land is one point inside Mechanicsville
Everything above resolves to Mechanicsville as a whole — one PHZM band and one 28°F frost record, read across 18K 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 Mechanicsville Average
Mechanicsville Average
- ●USDA Zones 7b, averaged across Mechanicsville
- ●One soil character for all of Mechanicsville
- ●Frost dates read at Mechanicsville's scale: Mar 24 to Nov 14
YOUR Parcel
- ✓Your exact zone, not Mechanicsville's 7b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Mechanicsville
Pull a site-specific report for your exact address in Mechanicsville, Virginia — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Mechanicsville averages can't show:
We read public map data around Mechanicsville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Mechanicsville average
How we know this about Mechanicsville
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 Mechanicsville’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 Mechanicsville
When does frost risk typically end in Mechanicsville?
The last hard freeze (28°F) in Mechanicsville typically lands around Mar 24, 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 14.
When is the first frost in Mechanicsville?
The first hard freeze (28°F) in Mechanicsville typically arrives around Nov 14, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 31, so the watching starts about Oct 15 — about 235 days after the spring freeze cleared.
How long is the growing season in Mechanicsville?
Measured between 28°F hard freezes, Mechanicsville sees about 235 frost-free days — roughly Mar 24 through Nov 14, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 14 to Oct 31, about 200 days.
Is the soil safe to grow vegetables in Mechanicsville?
The federal record around Mechanicsville is a meaningful one — 2,107 documented sites, mostly Underground Storage Tanks entries (1,469), the nearest Brownfields 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 Mechanicsville?
From about Oct 15 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 14 (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 14. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Mechanicsville's scale — its 7b band and its 235-day season. Your yard writes its own version of Mechanicsville'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 Mechanicsville’s own scale
7 of the readings below were taken at Mechanicsville's own scale — its own ~235-day season between 28°F freezes, the 18,134 acres it covers and 2,107 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Mechanicsville's own USDA hardiness band, zones 7bUSDA PHZM 2023
- Mechanicsville's own 28°F hard-freeze dates, about Mar 24 and Nov 14 and the ~235-day span between themNOAA 1991–2020 Climate Normals
- 2,107 documented contamination sites on the federal record near Mechanicsville, the closest Brownfields record about 0.2 miles out from the town centreFederal environmental registers
- Mechanicsville's boundary and the 18,134 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7b and a ~235-day seasonGrowable Ground crop-matching engine
- The ecoregion at Mechanicsville's own centroid, the Southeastern PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Mechanicsvillelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Mechanicsville's 18,134 acres read through its county's SSURGO summaryfrom Hanover County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Hanover 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 Hanover County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Mechanicsville's 18,134 acreswhy one lot differs from the next →
- Which side of Mechanicsville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 18,134 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields 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 Mechanicsville-wide figureread your own land →
More in Virginia
Wider growing context
What grows across VirginiaMechanicsville sits outside our named growing regions, so Virginia as a whole is its closest context here.
Nearby growing guides