Naper, Nebraska, sits in USDA hardiness zone 5a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Expect cabbage, cranberry, lavender, and collard greens to be strong candidates here; the deciding factors on any one parcel stay local — soil, sun, and drainage.
Even in Naper, 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 Naper 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 Naper — soil, climate, flood, and parcel records. How we handle your address.
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Naper — the short answer
Naper, Nebraska: USDA zone 5a, about 180 days between hard freezes, across 86 acres of town.
- USDA zone
- 5a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 20
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Oct 17
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~180
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 86 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 5a is Naper's average, not your lot's — a low corner or a tree line moves it. Against Naper's 180-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Naper
Each reading below is measured for Naper itself — here is what it means for a garden here, and the move an experienced grower makes about it.

Season length
MeasuredNaper runs about 180 days between hard freezes — a moderate growing season.
There is room for the full run of cool-season crops plus a warm-season main crop, but the calendar is tight enough that a late spring or early fall frost still decides how much finishes.
Time warm-season transplants to your last hard freeze, and a few weeks of season extension turns a near-miss harvest into a sure one.
NOAA 1991–2020 Climate Normals

Winter hardiness
MeasuredNaper sits in USDA hardiness zone 5a.
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 Naper is in
Naper sits in the Northwestern Glaciated Plains — EPA Level III, inside the wider Great Plains. That is read at Naper's own centroid rather than borrowed from Boyd County.
What Grows in Naper
Every plant below cleared Naper's own zone 5a and its 180-day season. Each card opens that plant's Nebraska profile. How we score.






























Is it too late to plant in Naper?
Usually not — gardeners here simply switch what goes in the ground as the season moves. Cool-season crops can go in from around Mar 23; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 20 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Oct 17 — long-season crops need about 90 days of runway, quick greens only 30. Even past midsummer there is room for a true fall garden here, and garlic planted near the close carries the momentum into next year.
What's on the federal record near Naper
Closest first, within ~10 miles of Naper. Listing isn't leaking, and distance isn't exposure.
- NAPER FIRE HALLUnderground Storage Tanks · 550 ft
- NAPER SUPER SERVICEUnderground Storage Tanks · 550 ft
- SANDY RIDGE RANCHCAFO · 7.4 mi
- TECH CORNER STATIONUnderground Storage Tanks · 8.5 mi
- 96N70W34AAANitrate · 8.9 mi
- 96N70W34AAADNitrate · 9.0 mi
- 95N69W14AAAANitrate · 9.1 mi
Measured from Naper'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 Naper.
Total Sites
11
within ~10 miles of Naper
Risk Level
Low
Highest-severity
2 concentrated animal feeding operations
Sources Checked
within ~10 miles of Naper
Severity Distribution
within ~10 miles of Naper
Highest-Severity Sites
Know Before You Grow
- •On a private well, test for nitrates: above 10 mg/L the water needs treatment before irrigating.
- •Underground tanks leak petroleum as they age — near a former filling station, test the soil.
- •Large animal operations push nitrates and bacteria downstream. Below one, test your water.
Check your specific parcel in Naper
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 Naper average
Your land is one point inside Naper
Everything above resolves to Naper as a whole — one PHZM band and one 28°F frost record, read across 86 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 Naper Average
Naper Average
- ●USDA Zones 5a, averaged across Naper
- ●One soil character for all of Naper
- ●Frost dates read at Naper's scale: Apr 20 to Oct 17
YOUR Parcel
- ✓Your exact zone, not Naper's 5a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Naper
Pull a site-specific report for your exact address in Naper, Nebraska — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Naper averages can't show:
We read public map data around Naper — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Naper average
How we know this about Naper
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 Naper’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 Naper
When does frost risk typically end in Naper?
The last hard freeze (28°F) in Naper typically lands around Apr 20, 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 May 11.
When is the first frost in Naper?
The first hard freeze (28°F) in Naper typically arrives around Oct 17, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 3, so the watching starts about Sep 17 — about 180 days after the spring freeze cleared.
How long is the growing season in Naper?
Measured between 28°F hard freezes, Naper sees about 180 frost-free days — roughly Apr 20 through Oct 17, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer May 11 to Oct 3, about 145 days.
Is the soil safe to grow vegetables in Naper?
The federal record around Naper is light — 11 documented sites across the 9 federal source types we checked, mostly Nitrate entries (6), the nearest Underground Storage Tanks record about 0.1 miles out — and proximity to a documented site is information, not a diagnosis of any one yard. Growing food here starts from a strong position; a soil test before new food beds settles any site-specific question.
How do I protect my plants from frost in Naper?
From about Sep 17 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 Oct 17 (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 Oct 17. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Naper's scale — its 5a band and its 180-day season. Your yard writes its own version of Naper'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 Naper’s own scale
6 of the readings below were taken at Naper's own scale — its own ~180-day season between 28°F freezes, the 86 acres it covers and 11 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Naper's own USDA hardiness band, zones 5aUSDA PHZM 2023
- Naper's own 28°F hard-freeze dates, about Apr 20 and Oct 17 and the ~180-day span between themNOAA 1991–2020 Climate Normals
- 11 documented contamination sites on the federal record near Naper, the closest Underground Storage Tanks record about 0.1 miles out from the town centreFederal environmental registers
- Naper's boundary and the 86 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 5a and a ~180-day seasonGrowable Ground crop-matching engine
- The ecoregion at Naper's own centroid, the Northwestern Glaciated PlainsUS EPA Level III Ecoregions
Inherited from a wider read
- Soil character — no town-scale survey exists, so Naper's 86 acres read through its county's SSURGO summaryfrom Boyd County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Boyd County
- The growing challenges every Nebraska grower plans around — written at state scale, so they stay on the state guidefrom Nebraska
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Boyd County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Naper's 86 acreswhy one lot differs from the next →
- Which side of Naper you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 86 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks 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 Naper-wide figureread your own land →
More in Nebraska
Wider growing context
What grows across NebraskaNaper sits outside our named growing regions, so Nebraska as a whole is its closest context here.
