Tolchester, Maryland, sits in USDA hardiness zone 8a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
Growers here do well with cabbage, fig, california poppy, and collard greens — with the usual caveat that any single yard's soil, sun, and drainage cast the deciding vote.
Even in Tolchester, 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 Tolchester 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 Tolchester — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Tolchester — the short answer
Tolchester, Maryland: USDA zone 8a, about 269 days between hard freezes, across 390 acres of town.
- USDA zone
- 8a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 11
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Dec 5
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~269
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 390 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 8a is Tolchester's average, not your lot's — a low corner or a tree line moves it. Against Tolchester's 269-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Tolchester
Each reading below is measured for Tolchester itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredTolchester runs about 269 days between hard freezes — close to year-round growing.
Frost is rarely the limit here; winter plantings are as real as summer ones, and the harder question is which crops shrug off the summer heat.
Grow cool-season crops through the mild winter, and choose heat-tolerant varieties for the summer beds.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredTolchester sits in USDA hardiness zone 8a.
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 Tolchester is in
Tolchester sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Tolchester's own centroid rather than borrowed from Kent County.
What Grows in Tolchester
Every plant below cleared Tolchester's own zone 8a and its 269-day season. Each card opens that plant's Maryland profile. How we score.
Is it too late to plant in Tolchester?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Feb 11; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 11 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Dec 5 — 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.
Documented around Tolchester
Spotted lanternfly documented 4 miles from Tolchester, first recorded 2022. What to watch for.
What's on the federal record near Tolchester
Closest first, within ~10 miles of Tolchester. Listing isn't leaking, and distance isn't exposure.
- Tolchester Marina, Inc.Underground Storage Tanks · 2500 ft
- KE Cb 101Nitrate · 2600 ft
- KE Cb 79Nitrate · 2600 ft
- TOLCHESTER MARINA, INC.Brownfields · 0.5 mi
- KE Cb 71Nitrate · 0.6 mi
- Tolchester Nike Site (Control Area/Refueling AreaUnderground Storage Tanks · 1.0 mi
- KE Cb 64Nitrate · 1.1 mi
- DELMARVA POWER - LIGHT CO MCCLEANS CORNER SUBSTATIONBrownfields · 1.1 mi
- KE Cb 88Nitrate · 1.8 mi
- KE Cb 58Nitrate · 2.8 mi
- FAIRFIELD FARMCAFO · 2.8 mi
- Caretakers HomeUnderground Storage Tanks · 3.4 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Tolchester'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 Tolchester.
Total Sites
244
within ~10 miles of Tolchester
Risk Level
Elevated
Highest-severity
1 Superfund site (none NPL-listed)
Sources Checked
within ~10 miles of Tolchester
Severity Distribution
within ~10 miles of Tolchester
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Tolchester, two things run higher than the national average within ~10 miles of Tolchester — Nitrate (100 sites) and CAFO (3 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.
CAFO: CAFOs pose a different contamination profile than chemical sources.
Test well water for nitrate if you rely on a private well for irrigation (EPA standard: 10 mg/L).
Wash all produce consumed raw thoroughly, especially leafy greens grown near CAFOs.
Check your specific parcel in Tolchester
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 Tolchester average
Your land is one point inside Tolchester
Everything above resolves to Tolchester as a whole — one PHZM band and one 28°F frost record, read across 390 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 Tolchester Average
Tolchester Average
- ●USDA Zones 8a, averaged across Tolchester
- ●One soil character for all of Tolchester
- ●Frost dates read at Tolchester's scale: Mar 11 to Dec 5
YOUR Parcel
- ✓Your exact zone, not Tolchester's 8a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Tolchester
Pull a site-specific report for your exact address in Tolchester, Maryland — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Tolchester averages can't show:
We read public map data around Tolchester — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Tolchester average
How we know this about Tolchester
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 Tolchester’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 Tolchester
When does frost risk typically end in Tolchester?
The last hard freeze (28°F) in Tolchester typically lands around Mar 11, 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 1.
When is the first frost in Tolchester?
The first hard freeze (28°F) in Tolchester typically arrives around Dec 5, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Nov 21, so the watching starts about Nov 5 — about 269 days after the spring freeze cleared.
How long is the growing season in Tolchester?
Measured between 28°F hard freezes, Tolchester sees about 269 frost-free days — roughly Mar 11 through Dec 5, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 1 to Nov 21, about 234 days.
Is the soil safe to grow vegetables in Tolchester?
The federal record around Tolchester is a meaningful one — 244 documented sites, mostly Underground Storage Tanks entries (108), the nearest Underground Storage Tanks record about 0.5 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 Tolchester?
From about Nov 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 Dec 5 (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 Dec 5. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Tolchester's scale — its 8a band and its 269-day season. Your yard writes its own version of Tolchester'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 Tolchester’s own scale
7 of the readings below were taken at Tolchester's own scale — its own ~269-day season between 28°F freezes, the 390 acres it covers and 244 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Tolchester's own USDA hardiness band, zones 8aUSDA PHZM 2023
- Tolchester's own 28°F hard-freeze dates, about Mar 11 and Dec 5 and the ~269-day span between themNOAA 1991–2020 Climate Normals
- 244 documented contamination sites on the federal record near Tolchester, the closest Underground Storage Tanks record about 0.5 miles out from the town centreFederal environmental registers
- Tolchester's boundary and the 390 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 8a and a ~269-day seasonGrowable Ground crop-matching engine
- The ecoregion at Tolchester's own centroid, the Middle Atlantic Coastal PlainUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Tolchesterlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Tolchester's 390 acres read through its county's SSURGO summaryfrom Kent County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Kent County
- The growing challenges every Maryland grower plans around — written at state scale, so they stay on the state guidefrom Maryland
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Kent County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Tolchester's 390 acreswhy one lot differs from the next →
- Which side of Tolchester you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 390 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.5 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 Tolchester-wide figureread your own land →