Silver Grove, Kentucky, sits in USDA hardiness zone 6b — 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, lavender, and collard greens — with any one site's soil, sun, and drainage making the final cut.
Even in Silver Grove, 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 Silver Grove 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 Silver Grove — soil, climate, flood, and parcel records. How we handle your address.
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Silver Grove — the short answer
Silver Grove, Kentucky: USDA zone 6b, about 222 days between hard freezes, across 737 acres of city.
- USDA zone
- 6b
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 1
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 9
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~222
- NOAA 1991–2020 Climate Normals, 28°F — this town
- City area
- 737 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 6b is Silver Grove's average, not your lot's — a low corner or a tree line moves it. Against Silver Grove's 222-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Silver Grove
Each reading below is measured for Silver Grove itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredSilver Grove runs about 222 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
MeasuredSilver Grove sits in USDA hardiness zone 6b.
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 Silver Grove is in
Silver Grove sits in the Interior Plateau — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Silver Grove's own centroid rather than borrowed from Campbell County.
What Grows in Silver Grove
Every plant below cleared Silver Grove's own zone 6b and its 222-day season. Each card opens that plant's Kentucky profile. How we score.
Is it too late to plant in Silver Grove?
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 4; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 1 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 9 — 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 Silver Grove
Spotted lanternfly documented 6 miles from Silver Grove, first recorded 2023. What to watch for.
What's on the federal record near Silver Grove
Closest first, within ~10 miles of Silver Grove. Listing isn't leaking, and distance isn't exposure.
- A22C0126Nitrate · 2100 ft
- A22C0130Nitrate · 2200 ft
- Moyer PropertyUnderground Storage Tanks · 0.6 mi
- CONTINENTAL SILVER GROVE LLCToxics Release Inventory · 0.6 mi
- FIVE MILE MARATHONUnderground Storage Tanks · 0.8 mi
- Silver Grove BPUnderground Storage Tanks · 0.9 mi
- Sisters Of Divine ProvidenceUnderground Storage Tanks · 1.3 mi
- A22C0128Nitrate · 1.3 mi
- Kwik Food Mart IUnderground Storage Tanks · 1.6 mi
- WITHROW NATURE PRESERVEUnderground Storage Tanks · 1.9 mi
- Melbourne Volunteer Fire DeptUnderground Storage Tanks · 1.9 mi
- CALIFORNIA GOLFUnderground Storage Tanks · 2.0 mi
6 more sites are on the record inside the same radius. See them on the map
Measured from Silver Grove'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 Silver Grove.
Total Sites
1,726
within ~10 miles of Silver Grove
Risk Level
Elevated
Highest-severity
24 Superfund sites
Sources Checked
within ~10 miles of Silver Grove
Severity Distribution
within ~10 miles of Silver Grove
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Silver Grove, two things run higher than the national average within ~10 miles of Silver Grove — Toxics Release Inventory (123 sites) and Superfund (24 sites). Knowing it is half the work — and it's nothing a thoughtful grower can't plan for.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Superfund: Superfund sites represent the most severe contamination in the federal system.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Commission professional soil testing before any food production (test for heavy metals, VOCs, and SVOCs).
Check your specific parcel in Silver Grove
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 Silver Grove average
Your land is one point inside Silver Grove
Everything above resolves to Silver Grove as a whole — one PHZM band and one 28°F frost record, read across 737 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 Silver Grove Average
Silver Grove Average
- ●USDA Zones 6b, averaged across Silver Grove
- ●One soil character for all of Silver Grove
- ●Frost dates read at Silver Grove's scale: Apr 1 to Nov 9
YOUR Parcel
- ✓Your exact zone, not Silver Grove's 6b
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Silver Grove
Pull a site-specific report for your exact address in Silver Grove, Kentucky — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Silver Grove averages can't show:
We read public map data around Silver Grove — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Silver Grove average
How we know this about Silver Grove
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 Silver Grove’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 Silver Grove
When does frost risk typically end in Silver Grove?
The last hard freeze (28°F) in Silver Grove typically lands around Apr 1, 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 22.
When is the first frost in Silver Grove?
The first hard freeze (28°F) in Silver Grove typically arrives around Nov 9, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 26, so the watching starts about Oct 10 — about 222 days after the spring freeze cleared.
How long is the growing season in Silver Grove?
Measured between 28°F hard freezes, Silver Grove sees about 222 frost-free days — roughly Apr 1 through Nov 9, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 22 to Oct 26, about 187 days.
Is the soil safe to grow vegetables in Silver Grove?
The federal record around Silver Grove is a meaningful one — 1,726 documented sites, mostly Underground Storage Tanks entries (1,106), the nearest Nitrate record about 0.4 miles 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 Silver Grove?
From about Oct 10 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 9 (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 9. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Silver Grove's scale — its 6b band and its 222-day season. Your yard writes its own version of Silver Grove'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 Silver Grove’s own scale
7 of the readings below were taken at Silver Grove's own scale — its own ~222-day season between 28°F freezes, the 737 acres it covers and 1,726 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Silver Grove's own USDA hardiness band, zones 6bUSDA PHZM 2023
- Silver Grove's own 28°F hard-freeze dates, about Apr 1 and Nov 9 and the ~222-day span between themNOAA 1991–2020 Climate Normals
- 1,726 documented contamination sites on the federal record near Silver Grove, the closest Nitrate record about 0.4 miles out from the town centreFederal environmental registers
- Silver Grove's boundary and the 737 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6b and a ~222-day seasonGrowable Ground crop-matching engine
- The ecoregion at Silver Grove's own centroid, the Interior PlateauUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Silver Grovelydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Silver Grove's 737 acres read through its county's SSURGO summaryfrom Campbell County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom Campbell County
- The growing challenges every Kentucky grower plans around — written at state scale, so they stay on the state guidefrom Kentucky
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom Campbell County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Silver Grove's 737 acreswhy one lot differs from the next →
- Which side of Silver Grove you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 737 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Nitrate record about 0.4 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 Silver Grove-wide figureread your own land →
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