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

Planting zone for 38355 — Medina, TN

ZIP code 38355 (Medina, Gibson 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 38355 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 Medina, 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 Medina, 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 21only 10% chance of frost after
First fall frostOctober 30median — 10% chance by Oct 18
Growing season208 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 24 and returns around November 8.

From the NOAA station Jackson 4 Ne, TN — 6 miles away, elevation 430 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 38355

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 38355 came on Feb 20 — 3 days earlier than the 1991–2020 average (Feb 23).

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 Medina, TN

The soil mapped at the center of ZIP 38355 is Lexington — 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 matter1.25%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Lexington silt loam, 5 to 8 percent slopes, severely eroded.

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 38355; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Medina, TN

Summer high90 °Faverage high, July
Winter low28 °Faverage low, January
Hot days66days a year at 90 °F or more
Freezing nights79nights a year at 32 °F or less
Growing degree days4,765base 50 °F — the season’s usable heat
Longest day14 h 35 mindaylight on June 21
Shortest day9 h 44 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation55.2 inper year, rain and melted snow
Snowfall4 inper year; 4 days with snow on the ground

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 48 °F, low 28 °F 48°28° JanFebruary: average high 52 °F, low 30 °F 52°30° FebMarch: average high 61 °F, low 38 °F 61°38° MarApril: average high 72 °F, low 47 °F 72°47° AprMay: average high 79 °F, low 57 °F 79°57° MayJune: average high 87 °F, low 66 °F 87°66° JunJuly: average high 90 °F, low 69 °F 90°69° JulAugust: average high 90 °F, low 67 °F 90°67° AugSeptember: average high 84 °F, low 60 °F 84°60° SepOctober: average high 73 °F, low 48 °F 73°48° OctNovember: average high 60 °F, low 37 °F 60°37° NovDecember: average high 50 °F, low 31 °F 50°31° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 4.27 in precipitation, 1.5 in snowfall 4.3❄2 JanFebruary: 4.63 in precipitation, 1.1 in snowfall 4.6❄1 FebMarch: 5.69 in precipitation, 1.5 in snowfall 5.7❄2 MarApril: 5.01 in precipitation 5.0 AprMay: 6.04 in precipitation 6.0 MayJune: 4.67 in precipitation 4.7 JunJuly: 4.33 in precipitation 4.3 JulAugust: 3.50 in precipitation 3.5 AugSeptember: 3.70 in precipitation 3.7 SepOctober: 3.81 in precipitation 3.8 OctNovember: 4.22 in precipitation, 0.1 in snowfall 4.2 NovDecember: 5.29 in precipitation, 0.2 in snowfall 5.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Jackson 4 Ne, TN (6 mi away); precipitation: Jackson 4 Ne, TN (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

Tennessee planting zones →

Questions about 38355

What planting zone is ZIP code 38355?

ZIP code 38355 (Medina, 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 Medina, TN?

The median last spring frost (32 °F) near 38355 is April 4; after April 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Jackson 4 Ne station.

When is the first frost in Medina, TN?

The median first fall frost near 38355 is October 30, giving a median frost-free growing season of 208 days.

When should I plant tomatoes in 38355?

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 38355 get?

About 55.2 inches of precipitation a year and 4 inches of snowfall (NOAA 1991–2020 normals, Jackson 4 Ne station).

How hot do summers get in Medina, TN?

The average high peaks at 90 °F in July, with about 66 days a year at 90 °F or more.

What kind of soil does 38355 have?

The USDA soil survey maps Lexington at the center of ZIP 38355: silt loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Medina, TN in 2026?

Spring leaf-out near 38355 came on Feb 20 in 2026, 3 days earlier than the 1991–2020 average (Feb 23), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Medina, TN?

Intermediate onions: the longest day near 38355 is 14 h 35 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 38355 change?

Yes. The 2012 USDA map put 38355 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.