Noblesville, Indiana, sits in USDA hardiness zone 6a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
The conditions favor cabbage, hazelnut, lavender, and collard greens, among others — though every individual site edits that list with its own soil, sun, and drainage.
Even in Noblesville, 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 Noblesville 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 Noblesville — soil, climate, flood, and parcel records. How we handle your address.
No card required · your full report in seconds
Noblesville — the short answer
Noblesville, Indiana: USDA zone 6a, about 211 days between hard freezes, across 23K acres of city.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 7
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 4
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~211
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 23K 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 6a is Noblesville's average, not your lot's — a low corner or a tree line moves it. Against Noblesville's 211-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Noblesville
Each reading below is measured for Noblesville itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredNoblesville runs about 211 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
MeasuredNoblesville sits in USDA hardiness zone 6a.
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 Noblesville is in
Noblesville sits in the Eastern Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Noblesville's own centroid rather than borrowed from Hamilton County.
What Grows in Noblesville
Every plant below cleared Noblesville's own zone 6a and its 211-day season. Each card opens that plant's Indiana profile. How we score.
Is it too late to plant in Noblesville?
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 10; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 7 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 4 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
Documented around Noblesville
Survey cells within 31 miles of Noblesville checked for spotted lanternfly, none carrying a detection — a surveyed negative, not an absence of looking. Nearest documented record 51 miles off. What to watch for.
What's on the federal record near Noblesville
Closest first, within ~10 miles of Noblesville. Listing isn't leaking, and distance isn't exposure.
- Noblesville Street DepartmentUnderground Storage Tanks · 450 ft
- HAMILTON COUNTY HOUSEHOLD HAZARDOUS WASTE CENTERBrownfields · 1200 ft
- FIRESTONE INDUSTRIAL PRODUCTS COMPANYBrownfields · 1200 ft
- FIRESTONE INDUSTRIAL PRODUCTS COMPANYToxics Release Inventory · 1200 ft
- Hamilton County Highway DepartmentUnderground Storage Tanks · 1300 ft
- OMEGA PROFESSIONAL COATINGSBrownfields · 2000 ft
- Speedway 5179Underground Storage Tanks · 2000 ft
- DOLLAR GENERAL STORE 8293Brownfields · 2000 ft
- Brooks Auto TechUnderground Storage Tanks · 2000 ft
- HARE CHEVROLETBrownfields · 2100 ft
- BILL KITCHENS BODY SHOPBrownfields · 2100 ft
- Don Hinds Ford IncorporatedUnderground Storage Tanks · 2200 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Noblesville'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 Noblesville.
Total Sites
675
within ~10 miles of Noblesville
Risk Level
Elevated
Highest-severity
2 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Noblesville
Severity Distribution
within ~10 miles of Noblesville
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.
- •TRI facilities report what they release. Check the wind — downwind beds catch more of it.
Check your specific parcel in Noblesville
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 Noblesville average
Your land is one point inside Noblesville
Everything above resolves to Noblesville as a whole — one PHZM band and one 28°F frost record, read across 23K 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 Noblesville Average
Noblesville Average
- ●USDA Zones 6a, averaged across Noblesville
- ●One soil character for all of Noblesville
- ●Frost dates read at Noblesville's scale: Apr 7 to Nov 4
YOUR Parcel
- ✓Your exact zone, not Noblesville's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Noblesville
Pull a site-specific report for your exact address in Noblesville, Indiana — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Noblesville averages can't show:
We read public map data around Noblesville — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Noblesville average
How we know this about Noblesville
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 Noblesville’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 Noblesville
When does frost risk typically end in Noblesville?
The last hard freeze (28°F) in Noblesville typically lands around Apr 7, 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 28.
When is the first frost in Noblesville?
The first hard freeze (28°F) in Noblesville typically arrives around Nov 4, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 21, so the watching starts about Oct 5 — about 211 days after the spring freeze cleared.
How long is the growing season in Noblesville?
Measured between 28°F hard freezes, Noblesville sees about 211 frost-free days — roughly Apr 7 through Nov 4, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 28 to Oct 21, about 176 days.
Is the soil safe to grow vegetables in Noblesville?
The federal record around Noblesville is a meaningful one — 675 documented sites, mostly Underground Storage Tanks entries (321), the nearest Underground Storage Tanks record under a tenth of a mile out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Noblesville?
From about Oct 5 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 4 (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 4. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Noblesville's scale — its 6a band and its 211-day season. Your yard writes its own version of Noblesville'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 Noblesville’s own scale
7 of the readings below were taken at Noblesville's own scale — its own ~211-day season between 28°F freezes, the 22,575 acres it covers and 675 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Noblesville's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Noblesville's own 28°F hard-freeze dates, about Apr 7 and Nov 4 and the ~211-day span between themNOAA 1991–2020 Climate Normals
- 675 documented contamination sites on the federal record near Noblesville, the closest Underground Storage Tanks record under a tenth of a mile out from the town centreFederal environmental registers
- Noblesville's boundary and the 22,575 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~211-day seasonGrowable Ground crop-matching engine
- The ecoregion at Noblesville's own centroid, the Eastern Corn Belt PlainsUS EPA Level III Ecoregions
- Lanternfly survey cells around Noblesville checked, none carrying a detectionlydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Noblesville's 22,575 acres read through its county's SSURGO summaryfrom Hamilton County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Hamilton County
- The growing challenges every Indiana grower plans around — written at state scale, so they stay on the state guidefrom Indiana
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Hamilton County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Noblesville's 22,575 acreswhy one lot differs from the next →
- Which side of Noblesville you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 22,575 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 Noblesville-wide figureread your own land →
More in Indiana
Wider growing context
What grows across IndianaNoblesville sits outside our named growing regions, so Indiana as a whole is its closest context here.
Nearby growing guides