Spring City, Pennsylvania, sits in USDA hardiness zone 7a — enough range to grow cool-season vegetables, hardy fruit, and warm-season crops that mature before the first hard frost.
Crops well matched to these conditions include cabbage, hazelnut, california poppy, and collard greens — though what thrives on any one site still turns on its specific soil, sun, and drainage.
Even in Spring City, 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 Spring City 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 Spring City — soil, climate, flood, and parcel records. How we handle your address.
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Spring City — the short answer
Spring City, Pennsylvania: USDA zone 7a, about 219 days between hard freezes, across 492 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 1
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~219
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 492 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 7a is Spring City's average, not your lot's — a low corner or a tree line moves it. Against Spring City's 219-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Spring City
Each reading below is measured for Spring City itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSpring City runs about 219 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
MeasuredSpring City 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 Spring City is in
Spring City sits in the Northern Piedmont — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Spring City's own centroid rather than borrowed from Chester County.
What Grows in Spring City
Every plant below cleared Spring City's own zone 7a and its 219-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Spring City?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 4; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 1 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 6 — long-season crops need about 90 days of runway, quick greens only 30. Here the season winds down slowly: late sowings, a real autumn harvest, and garlic in the ground before the first hard freeze.
Documented around Spring City
Spotted lanternfly documented 1 miles from Spring City, first recorded 2016. What to watch for.
What's on the federal record near Spring City
Closest first, within ~10 miles of Spring City. Listing isn't leaking, and distance isn't exposure.
- SPRING CITY ELEC MFG PLTBrownfields · 400 ft
- SPRING CITY BOROUnderground Storage Tanks · 400 ft
- SPRING CITY UNITED METH CHUnderground Storage Tanks · 550 ft
- WARREN J SHEETS INCUnderground Storage Tanks · 1500 ft
- TETLP ROYERSFORD MP 1398.99Brownfields · 1500 ft
- ANCHOR GLASS CONTAINER CORPToxics Release Inventory · 1600 ft
- ANCHOR GLASS CONTAINER PLT 9Underground Storage Tanks · 1600 ft
- TURKEY HILL 193Underground Storage Tanks · 1600 ft
- SPRING CITY SVC STAUnderground Storage Tanks · 1700 ft
- ATOLLUnderground Storage Tanks · 1700 ft
- DOW CHEM PLPToxics Release Inventory · 1800 ft
- DOW CHEM PLPUnderground Storage Tanks · 1800 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Spring City'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 Spring City.
Sources Checked
within ~10 miles of Spring City
Severity Distribution
within ~10 miles of Spring City
Highest-Severity Sites
Know Before You Grow
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Near a brownfield, raised beds of imported soil give your food clean ground.
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
Check your specific parcel in Spring City
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 Spring City average
Your land is one point inside Spring City
Everything above resolves to Spring City as a whole — one PHZM band and one 28°F frost record, read across 492 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 Spring City Average
Spring City Average
- ●USDA Zones 7a, averaged across Spring City
- ●One soil character for all of Spring City
- ●Frost dates read at Spring City's scale: Apr 1 to Nov 6
YOUR Parcel
- ✓Your exact zone, not Spring City's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Spring City
Pull a site-specific report for your exact address in Spring City, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Spring City averages can't show:
We read public map data around Spring City — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Spring City average
How we know this about Spring City
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 Spring City’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 Spring City
When does frost risk typically end in Spring City?
The last hard freeze (28°F) in Spring City typically lands around Apr 1, 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 22.
When is the first frost in Spring City?
The first hard freeze (28°F) in Spring City typically arrives around Nov 6, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 23, so the watching starts about Oct 7 — about 219 days after the spring freeze cleared.
How long is the growing season in Spring City?
Measured between 28°F hard freezes, Spring City sees about 219 frost-free days — roughly Apr 1 through Nov 6, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 22 to Oct 23, about 184 days.
Is the soil safe to grow vegetables in Spring City?
The federal record around Spring City runs heavier than most — 1,834 documented sites, mostly Underground Storage Tanks entries (768), the nearest Brownfields record under a tenth of a mile out — 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 Spring City?
From about Oct 7 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 6 (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 6. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Spring City's scale — its 7a band and its 219-day season. Your yard writes its own version of Spring City'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 Spring City’s own scale
7 of the readings below were taken at Spring City's own scale — its own ~219-day season between 28°F freezes, the 492 acres it covers and 1,834 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Spring City's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Spring City's own 28°F hard-freeze dates, about Apr 1 and Nov 6 and the ~219-day span between themNOAA 1991–2020 Climate Normals
- 1,834 documented contamination sites on the federal record near Spring City, the closest Brownfields record under a tenth of a mile out from the town centreFederal environmental registers
- Spring City's boundary and the 492 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~219-day seasonGrowable Ground crop-matching engine
- The ecoregion at Spring City's own centroid, the Northern PiedmontUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Spring Citylydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Spring City's 492 acres read through its county's SSURGO summaryfrom Chester County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Chester County
- The growing challenges every Pennsylvania grower plans around — written at state scale, so they stay on the state guidefrom Pennsylvania
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Chester County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Spring City's 492 acreswhy one lot differs from the next →
- Which side of Spring City you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 492 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record under a tenth of a mile 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 Spring City-wide figureread your own land →