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

Planting zone for 37051 — Cumberland Furnace, TN

ZIP code 37051 (Cumberland Furnace, Dickson County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 9 and the first fall frost November 1.

Where ZIP 37051 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 9
First frostNov 1
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 Cumberland Furnace, 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 Cumberland Furnace, TN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 9median — 50% chance of a later frost
Safe for tender plantsApril 27only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 20
Growing season206 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 29 and returns around November 12.

From the NOAA station Cheatham L&D, TN — 11 miles away, elevation 394 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 37051

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 26 – Mar 12
SpinachSow outdoors · Feb 26 – Mar 19
Broccoli, cabbageStart indoors · Jan 29 – Feb 12
Broccoli, cabbageTransplant · Mar 19 – Apr 2
Onion setsPlant outdoors · Mar 12 – Mar 26
PotatoesPlant outdoors · Mar 19 – Apr 2
LettuceSow outdoors · Mar 12 – Mar 26
Carrots, beetsSow outdoors · Mar 19 – Apr 2
TomatoesStart indoors · Feb 12 – Feb 26
TomatoesTransplant · Apr 16 – Apr 30
Peppers, eggplantStart indoors · Jan 29 – Feb 12
Peppers, eggplantTransplant · Apr 23 – May 7
BeansSow outdoors · Apr 16 – Apr 30
Sweet cornSow outdoors · Apr 16 – Apr 30
Cucumbers, squashSow outdoors · Apr 16 – Apr 30
Fall lettuce, spinachSow outdoors · Sep 6 – Sep 20
GarlicPlant cloves · Oct 18 – Nov 22
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 9) and first fall frost (Nov 1) 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 37051 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

American basswood100 ft · blooms late spring · low shade tolerance · to −46 °FAmerican beech80 ft · blooms mid spring · low shade tolerance · to −44 °FAmerican chestnut115 ft · blooms early summer · high shade tolerance · to −33 °FAmerican elm120 ft · blooms early spring · medium shade tolerance · to −46 °FAmerican sycamore100 ft · blooms spring · medium shade tolerance · to −34 °Farborvitae50 ft · blooms mid spring · medium shade tolerance · to −33 °F

Shrubs 116

alderleaf buckthorn3 ft · blooms late spring · low shade tolerance · to −33 °FAllegheny serviceberry35 ft · blooms early spring · low shade tolerance · to −38 °Falternateleaf dogwood25 ft · blooms mid spring · low shade tolerance · to −47 °FAmerican beautyberry6 ft · blooms early summer · medium shade tolerance · to −8 °FAmerican hazelnut10 ft · blooms spring · medium shade tolerance · to −33 °FAmerican holly40 ft · blooms mid spring · low shade tolerance · to −20 °F

Wildflowers & perennials 184

American bur-reed3 ft · blooms indeterminate · medium shade tolerance · to −33 °FAmerican eelgrass1 ft · blooms mid summer · high shade tolerance · to −33 °FAmerican lotus3 ft · blooms mid summer · high shade tolerance · to −36 °FAmerican pokeweed7 ft · blooms mid summer · low shade tolerance · to −33 °FAmerican speedwell0.8 ft · blooms mid summer · low shade tolerance · to −38 °FAmerican spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °F

Grasses 157

American cupscale3 ft · blooms early summer · high shade tolerance · to −18 °Fautumn bluegrass1.5 ft · blooms late spring · medium shade tolerance · to −8 °Fawlfruit sedge4 ft · blooms mid spring · low shade tolerance · to −38 °FBailey's sedge2.1 ft · blooms late spring · low shade tolerance · to −33 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fbluejoint5 ft · blooms late spring · high shade tolerance · to −33 °F

Vines 14

American bittersweet15 ft · blooms spring · low shade tolerance · to −38 °FAmerican wisteria50 ft · blooms spring · low shade tolerance · to −3 °Fcatbird grape30 ft · blooms late spring · medium shade tolerance · to −13 °Fcupseed30 ft · blooms late spring · low shade tolerance · to −3 °Fdevil's darning needles15 ft · blooms mid summer · medium shade tolerance · to −38 °Ffrost grape83 ft · blooms late spring · medium shade tolerance · to −23 °F

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 Cumberland Furnace, TN.

Soil in Cumberland Furnace, TN

The soil mapped at the center of ZIP 37051 is Sengtown — gravelly silt loam, well drained.

TextureGravelly silt loama good balance for most vegetables
pH6.3slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.8%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Sengtown gravelly silt loam, 30 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 37051; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Cumberland Furnace, TN

Summer high89 °Faverage high, July
Winter low28 °Faverage low, January
Hot days58days a year at 90 °F or more
Freezing nights94nights a year at 32 °F or less
Growing degree days4,504base 50 °F — the season’s usable heat
Longest day14 h 38 mindaylight on June 21
Shortest day9 h 41 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation56.5 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 48 °F, low 28 °F 48°28° JanFebruary: average high 53 °F, low 30 °F 53°30° FebMarch: average high 61 °F, low 37 °F 61°37° MarApril: average high 70 °F, low 44 °F 70°44° AprMay: average high 78 °F, low 55 °F 78°55° MayJune: average high 86 °F, low 64 °F 86°64° JunJuly: average high 89 °F, low 68 °F 89°68° JulAugust: average high 89 °F, low 66 °F 89°66° AugSeptember: average high 83 °F, low 60 °F 83°60° SepOctober: average high 73 °F, low 47 °F 73°47° OctNovember: average high 60 °F, low 37 °F 60°37° NovDecember: average high 51 °F, low 31 °F 51°31° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.49 in precipitation 4.5 JanFebruary: 5.16 in precipitation 5.2 FebMarch: 5.58 in precipitation 5.6 MarApril: 5.34 in precipitation 5.3 AprMay: 5.85 in precipitation 5.8 MayJune: 4.46 in precipitation 4.5 JunJuly: 4.48 in precipitation 4.5 JulAugust: 3.74 in precipitation 3.7 AugSeptember: 3.93 in precipitation 3.9 SepOctober: 4.11 in precipitation 4.1 OctNovember: 4.22 in precipitation 4.2 NovDecember: 5.18 in precipitation 5.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cheatham L&D, TN (11 mi away); precipitation: Vanleer 2.8 Se, TN (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

371657b
Slayden, TN · 4 mi
370527b
Cunningham, TN · 5 mi
371817b
Vanleer, TN · 7 mi
371717b
Southside, TN · 7 mi
371427b
Palmyra, TN · 9 mi
370367b
Charlotte, TN · 10 mi
370567b
Dickson, TN · 11 mi
370417b
Clarksville, TN · 12 mi

Tennessee planting zones →

Questions about 37051

What planting zone is ZIP code 37051?

ZIP code 37051 (Cumberland Furnace, 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 Cumberland Furnace, TN?

The median last spring frost (32 °F) near 37051 is April 9; after April 27 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cheatham L&D station.

When is the first frost in Cumberland Furnace, TN?

The median first fall frost near 37051 is November 1, giving a median frost-free growing season of 206 days.

When should I plant tomatoes in 37051?

Start tomato seeds indoors around Feb 12 – Feb 26 and set transplants outside around Apr 16 – Apr 30, one to three weeks after the median last frost.

How much rain and snow does 37051 get?

About 56.5 inches of precipitation a year (NOAA 1991–2020 normals, Vanleer 2.8 Se station).

How hot do summers get in Cumberland Furnace, TN?

The average high peaks at 89 °F in July, with about 58 days a year at 90 °F or more.

What kind of soil does 37051 have?

The USDA soil survey maps Sengtown at the center of ZIP 37051: gravelly silt loam, well drained, pH about 6.3 (slightly acidic).

Did spring come early in Cumberland Furnace, TN in 2026?

Spring leaf-out near 37051 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 Cumberland Furnace, TN?

Intermediate onions: the longest day near 37051 is 14 h 38 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 37051 change?

Yes. The 2012 USDA map put 37051 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.