Reading, Pennsylvania, sits in USDA hardiness zone 7a — a band that supports both cool-season staples and warm-season crops chosen to fit the local frost window.
A short list that earns its place here — cabbage, hazelnut, california poppy, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Reading, 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 Reading 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 Reading — soil, climate, flood, and parcel records. How we handle your address.
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Reading — the short answer
Reading, Pennsylvania: USDA zone 7a, about 219 days between hard freezes, across 6K acres of city.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~219
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 6K 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 Reading's average, not your lot's — a low corner or a tree line moves it. Against Reading's 219-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Reading
Each reading below is measured for Reading itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredReading 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
MeasuredReading 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 Reading is in
Reading sits in the Ridge and Valley — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Reading's own centroid rather than borrowed from Berks County.
What Grows in Reading
Every plant below cleared Reading'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 Reading?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 5; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 2 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 7 — 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 Reading
Spotted lanternfly documented 3 miles from Reading, first recorded 2016. What to watch for.
What's on the federal record near Reading
Closest first, within ~10 miles of Reading. Listing isn't leaking, and distance isn't exposure.
- VENZKE ASSNUnderground Storage Tanks · 300 ft
- HENNINGER FUNERAL HOMEUnderground Storage Tanks · 400 ft
- READING METRO TAXIUnderground Storage Tanks · 450 ft
- READING METRO TAXIBrownfields · 450 ft
- ST JOSEPH MED CTR COMM CAMPUSBrownfields · 600 ft
- MEM CH OF THE HOLY CROSS UMUnderground Storage Tanks · 700 ft
- CONSUMERS FUEL PROD COUnderground Storage Tanks · 750 ft
- LINCOLN RENAISSANCEUnderground Storage Tanks · 850 ft
- AUSTIN BOLAND CONNOR & GIORGIUnderground Storage Tanks · 950 ft
- CITY GARAGEUnderground Storage Tanks · 950 ft
- BOOKBINDERYUnderground Storage Tanks · 1000 ft
- FAMILY DOLLAR STORE NO 7250Brownfields · 1100 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Reading'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 Reading.
Sources Checked
within ~10 miles of Reading
Severity Distribution
within ~10 miles of Reading
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 Reading
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 Reading average
Your land is one point inside Reading
Everything above resolves to Reading as a whole — one PHZM band and one 28°F frost record, read across 6K 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 city 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 Reading Average
Reading Average
- ●USDA Zones 7a, averaged across Reading
- ●One soil character for all of Reading
- ●Frost dates read at Reading's scale: Apr 2 to Nov 7
YOUR Parcel
- ✓Your exact zone, not Reading's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Reading
Pull a site-specific report for your exact address in Reading, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Reading averages can't show:
We read public map data around Reading — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Reading average
How we know this about Reading
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this city’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Reading’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 city grain anywhere on this page — there is no city-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 Reading
When does frost risk typically end in Reading?
The last hard freeze (28°F) in Reading typically lands around Apr 2, 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 23.
When is the first frost in Reading?
The first hard freeze (28°F) in Reading typically arrives around Nov 7, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 24, so the watching starts about Oct 8 — about 219 days after the spring freeze cleared.
How long is the growing season in Reading?
Measured between 28°F hard freezes, Reading sees about 219 frost-free days — roughly Apr 2 through Nov 7, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 23 to Oct 24, about 184 days.
Is the soil safe to grow vegetables in Reading?
The federal record around Reading runs heavier than most — 1,515 documented sites, mostly Underground Storage Tanks entries (838), the nearest Underground Storage Tanks 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 Reading?
From about Oct 8 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 7 (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 7. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Reading's scale — its 7a band and its 219-day season. Your yard writes its own version of Reading'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 Reading’s own scale
7 of the readings below were taken at Reading's own scale — its own ~219-day season between 28°F freezes, the 6,300 acres it covers and 1,515 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Reading's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Reading's own 28°F hard-freeze dates, about Apr 2 and Nov 7 and the ~219-day span between themNOAA 1991–2020 Climate Normals
- 1,515 documented contamination sites on the federal record near Reading, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Reading's boundary and the 6,300 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 Reading's own centroid, the Ridge and ValleyUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Readinglydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Reading's 6,300 acres read through its county's SSURGO summaryfrom Berks County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Berks 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 Berks County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Reading's 6,300 acreswhy one lot differs from the next →
- Which side of Reading you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 6,300 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Reading-wide figureread your own land →
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