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

Planting zone for 37877 — Talbott, TN

ZIP code 37877 (Talbott, Hamblen County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is March 31 and the first fall frost November 4.

Where ZIP 37877 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 frostMar 31
First frostNov 4
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 Talbott, 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 Talbott, TN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 31median — 50% chance of a later frost
Safe for tender plantsApril 18only 10% chance of frost after
First fall frostNovember 4median — 10% chance by Oct 22
Growing season217 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 21 and returns around November 14.

From the NOAA station Morristown WFO, TN — within 1 mile, elevation 1,319 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 37877

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 17 – Mar 3
SpinachSow outdoors · Feb 17 – Mar 10
Broccoli, cabbageStart indoors · Jan 20 – Feb 3
Broccoli, cabbageTransplant · Mar 10 – Mar 24
Onion setsPlant outdoors · Mar 3 – Mar 17
PotatoesPlant outdoors · Mar 10 – Mar 24
LettuceSow outdoors · Mar 3 – Mar 17
Carrots, beetsSow outdoors · Mar 10 – Mar 24
TomatoesStart indoors · Feb 3 – Feb 17
TomatoesTransplant · Apr 7 – Apr 21
Peppers, eggplantStart indoors · Jan 20 – Feb 3
Peppers, eggplantTransplant · Apr 14 – Apr 28
BeansSow outdoors · Apr 7 – Apr 21
Sweet cornSow outdoors · Apr 7 – Apr 21
Cucumbers, squashSow outdoors · Apr 7 – Apr 21
Fall lettuce, spinachSow outdoors · Sep 9 – Sep 23
GarlicPlant cloves · Oct 21 – Nov 25
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 31) and first fall frost (Nov 4) 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 37877 came on Feb 25 — about the same time as the 1991–2020 average (Feb 27).

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).

Native plants for zone 7b in Tennessee

566 plants native to the lower 48 states, recorded in Tennessee, and rated by the USDA to survive 5 °F or colder — the bottom of zone 7b. Each links to its USDA PLANTS profile.

Trees 82

Shrubs 116

Wildflowers & perennials 184

Grasses 157

Vines 14

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Talbott, TN.

Soil in Talbott, TN

The soil mapped at the center of ZIP 37877 is Dewey — silty clay loam, well drained.

TextureSilty clay loamholds water and nutrients; slow to drain and warm up
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: Dewey-Etowah complex, karst, 2 to 30 percent slopes, moderately 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 37877; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Talbott, TN

Summer high86 °Faverage high, July
Winter low29 °Faverage low, January
Hot days17days a year at 90 °F or more
Freezing nights64nights a year at 32 °F or less
Growing degree days4,318base 50 °F — the season’s usable heat
Longest day14 h 37 mindaylight on June 21
Shortest day9 h 42 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation47.4 inper year, rain and melted snow
Snowfall10 inper year; 5 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 46 °F, low 29 °F 46°29° JanFebruary: average high 50 °F, low 32 °F 50°32° FebMarch: average high 59 °F, low 40 °F 59°40° MarApril: average high 69 °F, low 48 °F 69°48° AprMay: average high 76 °F, low 56 °F 76°56° MayJune: average high 83 °F, low 64 °F 83°64° JunJuly: average high 86 °F, low 68 °F 86°68° JulAugust: average high 85 °F, low 67 °F 85°67° AugSeptember: average high 80 °F, low 61 °F 80°61° SepOctober: average high 70 °F, low 50 °F 70°50° OctNovember: average high 58 °F, low 39 °F 58°39° NovDecember: average high 49 °F, low 33 °F 49°33° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 4.40 in precipitation, 3.5 in snowfall 4.4❄4 JanFebruary: 4.47 in precipitation, 3.3 in snowfall 4.5❄3 FebMarch: 4.43 in precipitation, 1.2 in snowfall 4.4❄1 MarApril: 4.49 in precipitation 4.5 AprMay: 3.58 in precipitation 3.6 MayJune: 4.28 in precipitation 4.3 JunJuly: 4.98 in precipitation 5.0 JulAugust: 2.97 in precipitation 3.0 AugSeptember: 3.12 in precipitation 3.1 SepOctober: 2.70 in precipitation 2.7 OctNovember: 3.57 in precipitation, 0.3 in snowfall 3.6 NovDecember: 4.40 in precipitation, 1.9 in snowfall 4.4❄2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Morristown WFO, TN (within 1 mile); precipitation: Morristown WFO, TN (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

Tennessee planting zones →

Questions about 37877

What planting zone is ZIP code 37877?

ZIP code 37877 (Talbott, 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 Talbott, TN?

The median last spring frost (32 °F) near 37877 is March 31; after April 18 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Morristown WFO station.

When is the first frost in Talbott, TN?

The median first fall frost near 37877 is November 4, giving a median frost-free growing season of 217 days.

When should I plant tomatoes in 37877?

Start tomato seeds indoors around Feb 3 – Feb 17 and set transplants outside around Apr 7 – Apr 21, one to three weeks after the median last frost.

How much rain and snow does 37877 get?

About 47.4 inches of precipitation a year and 10 inches of snowfall (NOAA 1991–2020 normals, Morristown WFO station).

How hot do summers get in Talbott, TN?

The average high peaks at 86 °F in July, with about 17 days a year at 90 °F or more.

What kind of soil does 37877 have?

The USDA soil survey maps Dewey at the center of ZIP 37877: silty clay loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Talbott, TN in 2026?

Spring leaf-out near 37877 came on Feb 25 in 2026, about the same as the 1991–2020 average (Feb 27), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Talbott, TN?

Intermediate onions: the longest day near 37877 is 14 h 37 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 37877 change?

Yes. The 2012 USDA map put 37877 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.