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

Planting zone for 38374 — Scotts Hill, TN

ZIP code 38374 (Scotts Hill, Decatur County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 4 and the first fall frost October 30.

Where ZIP 38374 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.

Zone7b5 to 10 °F
Coldest night−15 to −12.2 °C
Last frostApr 4
First frostOct 30
2012 zone7a

Was 7a 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 7b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Scotts Hill, 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 Scotts Hill, TN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 4median — 50% chance of a later frost
Safe for tender plantsApril 20only 10% chance of frost after
First fall frostOctober 30median — 10% chance by Oct 17
Growing season208 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 24 and returns around November 7.

From the NOAA station Decaturville, TN — 9 miles away, elevation 495 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 38374

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 21 – Mar 7
SpinachSow outdoors · Feb 21 – Mar 14
Broccoli, cabbageStart indoors · Jan 24 – Feb 7
Broccoli, cabbageTransplant · Mar 14 – Mar 28
Onion setsPlant outdoors · Mar 7 – Mar 21
PotatoesPlant outdoors · Mar 14 – Mar 28
LettuceSow outdoors · Mar 7 – Mar 21
Carrots, beetsSow outdoors · Mar 14 – Mar 28
TomatoesStart indoors · Feb 7 – Feb 21
TomatoesTransplant · Apr 11 – Apr 25
Peppers, eggplantStart indoors · Jan 24 – Feb 7
Peppers, eggplantTransplant · Apr 18 – May 2
BeansSow outdoors · Apr 11 – Apr 25
Sweet cornSow outdoors · Apr 11 – Apr 25
Cucumbers, squashSow outdoors · Apr 11 – Apr 25
Fall lettuce, spinachSow outdoors · Sep 4 – Sep 18
GarlicPlant cloves · Oct 16 – Nov 20
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 4) and first fall frost (Oct 30) 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 38374 came on Feb 20 — about the same time as the 1991–2020 average (Feb 22).

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 Scotts Hill, TN

The soil mapped at the center of ZIP 38374 is Luverne — clay loam, well drained.

TextureClay loamholds water and nutrients; slow to drain and warm up
pH4.6strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter0.25%low — add compost
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: LUVERNE-SAVANNAH CLAY LOAMS, SEVERELY ERODED HILLY PHASE.

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 38374; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Scotts Hill, TN

Summer high88 °Faverage high, July
Winter low27 °Faverage low, January
Hot days34days a year at 90 °F or more
Freezing nights82nights a year at 32 °F or less
Growing degree days4,613base 50 °F — the season’s usable heat
Longest day14 h 34 mindaylight on June 21
Shortest day9 h 45 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation56.9 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 48 °F, low 27 °F 48°27° JanFebruary: average high 53 °F, low 30 °F 53°30° FebMarch: average high 62 °F, low 38 °F 62°38° MarApril: average high 71 °F, low 47 °F 71°47° AprMay: average high 78 °F, low 57 °F 78°57° MayJune: average high 85 °F, low 65 °F 85°65° JunJuly: average high 88 °F, low 69 °F 88°69° JulAugust: average high 88 °F, low 67 °F 88°67° AugSeptember: average high 83 °F, low 59 °F 83°59° SepOctober: average high 73 °F, low 47 °F 73°47° OctNovember: average high 61 °F, low 37 °F 61°37° NovDecember: average high 51 °F, low 30 °F 51°30° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.64 in precipitation 4.6 JanFebruary: 4.59 in precipitation 4.6 FebMarch: 5.60 in precipitation 5.6 MarApril: 5.85 in precipitation 5.8 AprMay: 4.61 in precipitation 4.6 MayJune: 5.53 in precipitation 5.5 JunJuly: 4.73 in precipitation 4.7 JulAugust: 3.28 in precipitation 3.3 AugSeptember: 4.24 in precipitation 4.2 SepOctober: 3.66 in precipitation 3.7 OctNovember: 4.44 in precipitation 4.4 NovDecember: 5.73 in precipitation 5.7 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Decaturville, TN (9 mi away); precipitation: Decaturville, TN (9 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

383687b
Reagan, TN · 7 mi
383297b
Decaturville, TN · 7 mi
383717b
Sardis, TN · 8 mi
383707b
Saltillo, TN · 9 mi
383117b
Bath Springs, TN · 10 mi
383287b
Darden, TN · 10 mi
383597b
Milledgeville, TN · 12 mi
383327b
Enville, TN · 13 mi

Tennessee planting zones →

Questions about 38374

What planting zone is ZIP code 38374?

ZIP code 38374 (Scotts Hill, TN) is in USDA hardiness zone 7b on the 2023 map: the coldest night of an average winter reaches 5 to 10 °F (−15 to −12.2 °C).

When is the last frost in Scotts Hill, TN?

The median last spring frost (32 °F) near 38374 is April 4; after April 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Decaturville station.

When is the first frost in Scotts Hill, TN?

The median first fall frost near 38374 is October 30, giving a median frost-free growing season of 208 days.

When should I plant tomatoes in 38374?

Start tomato seeds indoors around Feb 7 – Feb 21 and set transplants outside around Apr 11 – Apr 25, one to three weeks after the median last frost.

How much rain and snow does 38374 get?

About 56.9 inches of precipitation a year (NOAA 1991–2020 normals, Decaturville station).

How hot do summers get in Scotts Hill, TN?

The average high peaks at 88 °F in July, with about 34 days a year at 90 °F or more.

What kind of soil does 38374 have?

The USDA soil survey maps Luverne at the center of ZIP 38374: clay loam, well drained, pH about 4.6 (strongly acidic).

Did spring come early in Scotts Hill, TN in 2026?

Spring leaf-out near 38374 came on Feb 20 in 2026, about the same as the 1991–2020 average (Feb 22), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Scotts Hill, TN?

Intermediate onions: the longest day near 38374 is 14 h 34 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 38374 change?

Yes. The 2012 USDA map put 38374 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.