Morrisville, Pennsylvania, sits in USDA hardiness zone 7a — a zone band wide enough that plant choice, not possibility, is the interesting question.
Reliable performers under these conditions include cabbage, hazelnut, california poppy, and collard greens; what your own ground favors still comes down to its soil, sun, and drainage.
Even in Morrisville, 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 Morrisville 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 Morrisville — soil, climate, flood, and parcel records. How we handle your address.
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Morrisville — the short answer
Morrisville, Pennsylvania: USDA zone 7a, about 230 days between hard freezes, across 1K acres of town.
- USDA zone
- 7a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Mar 28
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 13
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~230
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 1K 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 Morrisville's average, not your lot's — a low corner or a tree line moves it. Against Morrisville's 230-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Morrisville
Each reading below is measured for Morrisville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredMorrisville runs about 230 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
MeasuredMorrisville 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 Morrisville is in
Morrisville sits in the Middle Atlantic Coastal Plain — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Morrisville's own centroid, and it is not what its county reads: Bucks County is mostly Northern Piedmont. The wider page above you is answering a different question about different ground.
What Grows in Morrisville
Every plant below cleared Morrisville's own zone 7a and its 230-day season. Each card opens that plant's Pennsylvania profile. How we score.
Is it too late to plant in Morrisville?
For most of the year, no — what changes is which crops still fit the days remaining. Cool-season crops can go in from around Feb 28; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Mar 28 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 13 — 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 Morrisville
Spotted lanternfly documented 3 miles from Morrisville, first recorded 2018. What to watch for.
What's on the federal record near Morrisville
Closest first, within ~10 miles of Morrisville. Listing isn't leaking, and distance isn't exposure.
- MARTYN MOTORSBrownfields · 750 ft
- LEHIGH RUBBER WORKSBrownfields · 1100 ft
- MORRISVILLE CTL OFCUnderground Storage Tanks · 1200 ft
- HESS STATION 38503Brownfields · 1300 ft
- MORRISVILLE FUELS 67405Underground Storage Tanks · 1300 ft
- SPEEDY MUFFLER KING 3723Brownfields · 1400 ft
- MORRISVILLE BORO HALLUnderground Storage Tanks · 1700 ft
- BK 621Nitrate · 1700 ft
- DELAWARE RIVER JOINT TOLL BRIDBrownfields · 2000 ft
- WAGNER & SON SVC CTRUnderground Storage Tanks · 2100 ft
- MORRISVILLE MID SR HIGH SCHUnderground Storage Tanks · 2200 ft
- PISCOPO BROS GARAGEUnderground Storage Tanks · 2200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Morrisville'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 Morrisville.
Sources Checked
within ~10 miles of Morrisville
Severity Distribution
within ~10 miles of Morrisville
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Morrisville, Superfund runs higher than the national average — 33 sites within ~10 miles of Morrisville. It's not cause for alarm — it's worth knowing, and there's a sensible way to grow around it.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Morrisville
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 Morrisville average
Your land is one point inside Morrisville
Everything above resolves to Morrisville as a whole — one PHZM band and one 28°F frost record, read across 1K 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 Morrisville Average
Morrisville Average
- ●USDA Zones 7a, averaged across Morrisville
- ●One soil character for all of Morrisville
- ●Frost dates read at Morrisville's scale: Mar 28 to Nov 13
YOUR Parcel
- ✓Your exact zone, not Morrisville's 7a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Morrisville
Pull a site-specific report for your exact address in Morrisville, Pennsylvania — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Morrisville averages can't show:
We read public map data around Morrisville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Morrisville average
How we know this about Morrisville
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 Morrisville’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 Morrisville
When does frost risk typically end in Morrisville?
The last hard freeze (28°F) in Morrisville typically lands around Mar 28, 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 18.
When is the first frost in Morrisville?
The first hard freeze (28°F) in Morrisville typically arrives around Nov 13, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 30, so the watching starts about Oct 14 — about 230 days after the spring freeze cleared.
How long is the growing season in Morrisville?
Measured between 28°F hard freezes, Morrisville sees about 230 frost-free days — roughly Mar 28 through Nov 13, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 18 to Oct 30, about 195 days.
Is the soil safe to grow vegetables in Morrisville?
The federal record around Morrisville runs heavier than most — 2,574 documented sites, mostly Underground Storage Tanks entries (1,375), the nearest Brownfields record about 0.1 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 Morrisville?
From about Oct 14 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 13 (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 13. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Morrisville's scale — its 7a band and its 230-day season. Your yard writes its own version of Morrisville'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 Morrisville’s own scale
7 of the readings below were taken at Morrisville's own scale — its own ~230-day season between 28°F freezes, the 1,118 acres it covers and 2,574 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Morrisville's own USDA hardiness band, zones 7aUSDA PHZM 2023
- Morrisville's own 28°F hard-freeze dates, about Mar 28 and Nov 13 and the ~230-day span between themNOAA 1991–2020 Climate Normals
- 2,574 documented contamination sites on the federal record near Morrisville, the closest Brownfields record about 0.1 miles out from the town centreFederal environmental registers
- Morrisville's boundary and the 1,118 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 7a and a ~230-day seasonGrowable Ground crop-matching engine
- Morrisville sits in the Middle Atlantic Coastal Plain — not the ecoregion its county mostly readsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Morrisvillelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Morrisville's 1,118 acres read through its county's SSURGO summaryfrom Bucks County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Bucks 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 Bucks County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Morrisville's 1,118 acreswhy one lot differs from the next →
- Which side of Morrisville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 1,118 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Brownfields record about 0.1 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 Morrisville-wide figureread your own land →
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