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

Planting zone for 37305 — Beersheba Springs, TN

ZIP code 37305 (Beersheba Springs, Grundy County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 21 and the first fall frost October 20.

Where ZIP 37305 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 21
First frostOct 20
2012 zone7a

Same zone as on the 2012 map. 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 Beersheba Springs, 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 Beersheba Springs, TN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 21median — 50% chance of a later frost
Safe for tender plantsMay 10only 10% chance of frost after
First fall frostOctober 20median — 10% chance by Oct 7
Growing season182 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 7 and returns around October 30.

From the NOAA station Coalmont, TN — 6 miles away, elevation 1,857 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 37305

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 10 – Mar 24
SpinachSow outdoors · Mar 10 – Mar 31
Broccoli, cabbageStart indoors · Feb 10 – Feb 24
Broccoli, cabbageTransplant · Mar 31 – Apr 14
Onion setsPlant outdoors · Mar 24 – Apr 7
PotatoesPlant outdoors · Mar 31 – Apr 14
LettuceSow outdoors · Mar 24 – Apr 7
Carrots, beetsSow outdoors · Mar 31 – Apr 14
TomatoesStart indoors · Feb 24 – Mar 10
TomatoesTransplant · Apr 28 – May 12
Peppers, eggplantStart indoors · Feb 10 – Feb 24
Peppers, eggplantTransplant · May 5 – May 19
BeansSow outdoors · Apr 28 – May 12
Sweet cornSow outdoors · Apr 28 – May 12
Cucumbers, squashSow outdoors · Apr 28 – May 12
Fall lettuce, spinachSow outdoors · Aug 25 – Sep 8
GarlicPlant cloves · Oct 6 – Nov 10
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 21) and first fall frost (Oct 20) 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 37305 came on Feb 25 — 5 days earlier than the 1991–2020 average (Mar 2).

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 7a in Tennessee

560 plants native to the lower 48 states, recorded in Tennessee, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.

Trees 80

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 182

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 155

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 Beersheba Springs, TN.

Soil in Beersheba Springs, TN

The soil mapped at the center of ZIP 37305 is Beersheba — loam, well drained.

TextureLoama good balance for most vegetables
pH4.6strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.3%moderate
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Beersheba loam, 12 to 20 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 37305; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Beersheba Springs, TN

Summer high83 °Faverage high, July
Winter low26 °Faverage low, January
Hot days8days a year at 90 °F or more
Freezing nights103nights a year at 32 °F or less
Growing degree days3,486base 50 °F — the season’s usable heat
Longest day14 h 33 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
Precipitation63.2 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°90°32 °FJanuary: average high 45 °F, low 26 °F 45°26° JanFebruary: average high 49 °F, low 28 °F 49°28° FebMarch: average high 57 °F, low 35 °F 57°35° MarApril: average high 66 °F, low 42 °F 66°42° AprMay: average high 74 °F, low 52 °F 74°52° MayJune: average high 80 °F, low 60 °F 80°60° JunJuly: average high 83 °F, low 63 °F 83°63° JulAugust: average high 83 °F, low 62 °F 83°62° AugSeptember: average high 78 °F, low 55 °F 78°55° SepOctober: average high 68 °F, low 43 °F 68°43° OctNovember: average high 57 °F, low 34 °F 57°34° NovDecember: average high 48 °F, low 29 °F 48°29° Dec

Precipitation by month inches

0″2″4″6″January: 5.32 in precipitation 5.3 JanFebruary: 5.71 in precipitation 5.7 FebMarch: 6.16 in precipitation 6.2 MarApril: 5.97 in precipitation 6.0 AprMay: 5.16 in precipitation 5.2 MayJune: 5.68 in precipitation 5.7 JunJuly: 5.94 in precipitation 5.9 JulAugust: 4.24 in precipitation 4.2 AugSeptember: 4.34 in precipitation 4.3 SepOctober: 3.78 in precipitation 3.8 OctNovember: 4.68 in precipitation 4.7 NovDecember: 6.25 in precipitation 6.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Coalmont, TN (6 mi away); precipitation: Beersheba Springs 2.1 Ene, TN (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

373137a
Coalmont, TN · 6 mi
373017b
Altamont, TN · 6 mi
373397a
Gruetli Laager, TN · 7 mi
373947b
Viola, TN · 11 mi
373667b
Pelham, TN · 11 mi
373657b
Palmer, TN · 12 mi
373877a
Tracy City, TN · 13 mi
371107b
Mcminnville, TN · 13 mi

Tennessee planting zones →

Questions about 37305

What planting zone is ZIP code 37305?

ZIP code 37305 (Beersheba Springs, 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 Beersheba Springs, TN?

The median last spring frost (32 °F) near 37305 is April 21; after May 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Coalmont station.

When is the first frost in Beersheba Springs, TN?

The median first fall frost near 37305 is October 20, giving a median frost-free growing season of 182 days.

When should I plant tomatoes in 37305?

Start tomato seeds indoors around Feb 24 – Mar 10 and set transplants outside around Apr 28 – May 12, one to three weeks after the median last frost.

How much rain and snow does 37305 get?

About 63.2 inches of precipitation a year (NOAA 1991–2020 normals, Beersheba Springs 2.1 Ene station).

How hot do summers get in Beersheba Springs, TN?

The average high peaks at 83 °F in July, with about 8 days a year at 90 °F or more.

What kind of soil does 37305 have?

The USDA soil survey maps Beersheba at the center of ZIP 37305: loam, well drained, pH about 4.6 (strongly acidic).

Did spring come early in Beersheba Springs, TN in 2026?

Spring leaf-out near 37305 came on Feb 25 in 2026, 5 days earlier than the 1991–2020 average (Mar 2), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Beersheba Springs, TN?

Intermediate onions: the longest day near 37305 is 14 h 33 min, so day-neutral types bulb best; long-day varieties may not bulb fully.