Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 37765 — Kyles Ford, TN

ZIP code 37765 (Kyles Ford, Hancock County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 14 and the first fall frost October 24.

Where ZIP 37765 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone7a0 to 5 °F
Coldest night−17.8 to −15 °C
Last frostApr 14
First frostOct 24
2012 zone6b

Was 6b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 7a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Kyles Ford, TN…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Kyles Ford, TN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 14median — 50% chance of a later frost
Safe for tender plantsMay 3only 10% chance of frost after
First fall frostOctober 24median — 10% chance by Oct 11
Growing season192 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 2 and returns around November 1.

From the NOAA station Rogersville 1 Ne, TN — 12 miles away, elevation 1,355 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 37765

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 3 – Mar 17
SpinachSow outdoors · Mar 3 – Mar 24
Broccoli, cabbageStart indoors · Feb 3 – Feb 17
Broccoli, cabbageTransplant · Mar 24 – Apr 7
Onion setsPlant outdoors · Mar 17 – Mar 31
PotatoesPlant outdoors · Mar 24 – Apr 7
LettuceSow outdoors · Mar 17 – Mar 31
Carrots, beetsSow outdoors · Mar 24 – Apr 7
TomatoesStart indoors · Feb 17 – Mar 3
TomatoesTransplant · Apr 21 – May 5
Peppers, eggplantStart indoors · Feb 3 – Feb 17
Peppers, eggplantTransplant · Apr 28 – May 12
BeansSow outdoors · Apr 21 – May 5
Sweet cornSow outdoors · Apr 21 – May 5
Cucumbers, squashSow outdoors · Apr 21 – May 5
Fall lettuce, spinachSow outdoors · Aug 29 – Sep 12
GarlicPlant cloves · Oct 10 – Nov 14
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 14) and first fall frost (Oct 24) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 37765 came on Mar 2 — 3 days earlier than the 1991–2020 average (Mar 5).

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Soil in Kyles Ford, TN

The soil mapped at the center of ZIP 37765 is Calvin — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Calvin-Wallen complex, 25 to 60 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 37765; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Kyles Ford, TN

Summer high86 °Faverage high, July
Winter low26 °Faverage low, January
Hot days18days a year at 90 °F or more
Freezing nights87nights a year at 32 °F or less
Growing degree days3,883base 50 °F — the season’s usable heat
Longest day14 h 40 mindaylight on June 21
Shortest day9 h 39 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation50.5 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 45 °F, low 26 °F 45°26° JanFebruary: average high 50 °F, low 29 °F 50°29° FebMarch: average high 59 °F, low 35 °F 59°35° MarApril: average high 69 °F, low 44 °F 69°44° AprMay: average high 76 °F, low 53 °F 76°53° MayJune: average high 83 °F, low 61 °F 83°61° JunJuly: average high 86 °F, low 65 °F 86°65° JulAugust: average high 85 °F, low 64 °F 85°64° AugSeptember: average high 80 °F, low 58 °F 80°58° SepOctober: average high 70 °F, low 45 °F 70°45° OctNovember: average high 58 °F, low 35 °F 58°35° NovDecember: average high 48 °F, low 29 °F 48°29° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.44 in precipitation 4.4 JanFebruary: 4.61 in precipitation 4.6 FebMarch: 4.79 in precipitation 4.8 MarApril: 4.51 in precipitation 4.5 AprMay: 4.37 in precipitation 4.4 MayJune: 4.35 in precipitation 4.3 JunJuly: 5.01 in precipitation 5.0 JulAugust: 3.84 in precipitation 3.8 AugSeptember: 3.40 in precipitation 3.4 SepOctober: 2.94 in precipitation 2.9 OctNovember: 3.49 in precipitation 3.5 NovDecember: 4.80 in precipitation 4.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Rogersville 1 Ne, TN (12 mi away); precipitation: Kyles Ford 1.0 N, TN (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

377317a
Eidson, TN · 3 mi
242217a
Blackwater, VA · 5 mi
242637a
Jonesville, VA · 9 mi
378697a
Sneedville, TN · 11 mi
378577b
Rogersville, TN · 12 mi
378737a
Surgoinsville, TN · 12 mi
242777a
Pennington Gap, VA · 12 mi
242187a
Ben Hur, VA · 15 mi

Tennessee planting zones →

Questions about 37765

What planting zone is ZIP code 37765?

ZIP code 37765 (Kyles Ford, TN) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).

When is the last frost in Kyles Ford, TN?

The median last spring frost (32 °F) near 37765 is April 14; after May 3 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Rogersville 1 Ne station.

When is the first frost in Kyles Ford, TN?

The median first fall frost near 37765 is October 24, giving a median frost-free growing season of 192 days.

When should I plant tomatoes in 37765?

Start tomato seeds indoors around Feb 17 – Mar 3 and set transplants outside around Apr 21 – May 5, one to three weeks after the median last frost.

How much rain and snow does 37765 get?

About 50.5 inches of precipitation a year (NOAA 1991–2020 normals, Kyles Ford 1.0 N station).

How hot do summers get in Kyles Ford, TN?

The average high peaks at 86 °F in July, with about 18 days a year at 90 °F or more.

What kind of soil does 37765 have?

The USDA soil survey maps Calvin at the center of ZIP 37765: silt loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Kyles Ford, TN in 2026?

Spring leaf-out near 37765 came on Mar 2 in 2026, 3 days earlier than the 1991–2020 average (Mar 5), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Kyles Ford, TN?

Intermediate onions: the longest day near 37765 is 14 h 40 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 37765 change?

Yes. The 2012 USDA map put 37765 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.