Alburtis, Pennsylvania, sits in USDA hardiness zone 7a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Expect cabbage, hazelnut, california poppy, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Alburtis, 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 Alburtis 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 Alburtis — soil, climate, flood, and parcel records. How we handle your address.
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Alburtis — the short answer
Alburtis, Pennsylvania: USDA zone 7a, about 212 days between hard freezes, across 452 acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 5
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 3
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~212
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 452 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 Alburtis's average, not your lot's — a low corner or a tree line moves it. Against Alburtis's 212-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Alburtis
Each reading below is measured for Alburtis itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredAlburtis runs about 212 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
MeasuredAlburtis 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 Alburtis is in
Alburtis sits in the Ridge and Valley — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Alburtis's own centroid rather than borrowed from Lehigh County.
What Grows in Alburtis
Every plant below cleared Alburtis's own zone 7a and its 212-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Alburtis?
Rarely: the season closes in stages, not all at once, and each stage has its crops. Cool-season crops can go in from around Mar 8; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 5 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 3 — 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 Alburtis
Spotted lanternfly documented 3 miles from Alburtis, first recorded 2015. What to watch for.
What's on the federal record near Alburtis
Closest first, within ~10 miles of Alburtis. Listing isn't leaking, and distance isn't exposure.
- PPL ALBURTIS SUBSTAUnderground Storage Tanks · 1100 ft
- ALBURTIS BORO HALLUnderground Storage Tanks · 1300 ft
- HOFFMAN SEPTIC TANK CLEANINGBrownfields · 1400 ft
- NORMSUnderground Storage Tanks · 1500 ft
- AMITY MACHINE CORPORATIONBrownfields · 2100 ft
- VICTAULIC CO ALBURTIS FACILITYBrownfields · 0.6 mi
- VICTAULIC CO ALBURTIS FACILITYToxics Release Inventory · 0.6 mi
- LE 833Nitrate · 0.8 mi
- SHARP PACKAGING SOLUTIONSBrownfields · 1.0 mi
- ADVANCED RESEARCH SYSTEMSBrownfields · 1.0 mi
- SHERWIN WILLIAMS #4323Brownfields · 1.0 mi
- HOWARD K BOYDUnderground Storage Tanks · 1.1 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Alburtis'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 Alburtis.
Sources Checked
within ~10 miles of Alburtis
Severity Distribution
within ~10 miles of Alburtis
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 Alburtis
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 Alburtis average
Your land is one point inside Alburtis
Everything above resolves to Alburtis as a whole — one PHZM band and one 28°F frost record, read across 452 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 Alburtis Average
Alburtis Average
- ●USDA Zones 7a, averaged across Alburtis
- ●One soil character for all of Alburtis
- ●Frost dates read at Alburtis's scale: Apr 5 to Nov 3
YOUR Parcel
- ✓Your exact zone, not Alburtis's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Alburtis
Pull a site-specific report for your exact address in Alburtis, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Alburtis averages can't show:
We read public map data around Alburtis — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Alburtis average
How we know this about Alburtis
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 Alburtis’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 Alburtis
When does frost risk typically end in Alburtis?
The last hard freeze (28°F) in Alburtis typically lands around Apr 5, 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 26.
When is the first frost in Alburtis?
The first hard freeze (28°F) in Alburtis typically arrives around Nov 3, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 20, so the watching starts about Oct 4 — about 212 days after the spring freeze cleared.
How long is the growing season in Alburtis?
Measured between 28°F hard freezes, Alburtis sees about 212 frost-free days — roughly Apr 5 through Nov 3, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 26 to Oct 20, about 177 days.
Is the soil safe to grow vegetables in Alburtis?
The federal record around Alburtis runs heavier than most — 1,308 documented sites, mostly Underground Storage Tanks entries (614), the nearest Underground Storage Tanks record about 0.2 miles 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 Alburtis?
From about Oct 4 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 3 (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 3. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Alburtis's scale — its 7a band and its 212-day season. Your yard writes its own version of Alburtis'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 Alburtis’s own scale
7 of the readings below were taken at Alburtis's own scale — its own ~212-day season between 28°F freezes, the 452 acres it covers and 1,308 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Alburtis's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Alburtis's own 28°F hard-freeze dates, about Apr 5 and Nov 3 and the ~212-day span between themNOAA 1991–2020 Climate Normals
- 1,308 documented contamination sites on the federal record near Alburtis, the closest Underground Storage Tanks record about 0.2 miles out from the town centreFederal environmental registers
- Alburtis's boundary and the 452 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~212-day seasonGrowable Ground crop-matching engine
- The ecoregion at Alburtis's own centroid, the Ridge and ValleyUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Alburtislydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Alburtis's 452 acres read through its county's SSURGO summaryfrom Lehigh County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Lehigh 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 Lehigh County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Alburtis's 452 acreswhy one lot differs from the next →
- Which side of Alburtis you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 452 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Alburtis-wide figureread your own land →