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

Planting zone for 37128 — Murfreesboro, TN

ZIP code 37128 (Murfreesboro, Rutherford County) is in USDA zone 7b: the coldest winter night averages 5 to 10 °F. The median last spring frost is April 14 and the first fall frost October 25.

Where ZIP 37128 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 14
First frostOct 25
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 Murfreesboro, 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 Murfreesboro, TN

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 14median — 50% chance of a later frost
Safe for tender plantsApril 30only 10% chance of frost after
First fall frostOctober 25median — 10% chance by Oct 11
Growing season192 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 2 and returns around November 2.

From the NOAA station Christiana 5w, TN — 7 miles away, elevation 751 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 37128

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 3 – Mar 17
SpinachSow outdoors · Mar 3 – Mar 24
Broccoli, cabbageStart indoors · Feb 3 – Feb 17
Broccoli, cabbageTransplant · Mar 24 – Apr 7
Onion setsPlant outdoors · Mar 17 – Mar 31
PotatoesPlant outdoors · Mar 24 – Apr 7
LettuceSow outdoors · Mar 17 – Mar 31
Carrots, beetsSow outdoors · Mar 24 – Apr 7
TomatoesStart indoors · Feb 17 – Mar 3
TomatoesTransplant · Apr 21 – May 5
Peppers, eggplantStart indoors · Feb 3 – Feb 17
Peppers, eggplantTransplant · Apr 28 – May 12
BeansSow outdoors · Apr 21 – May 5
Sweet cornSow outdoors · Apr 21 – May 5
Cucumbers, squashSow outdoors · Apr 21 – May 5
Fall lettuce, spinachSow outdoors · Aug 30 – Sep 13
GarlicPlant cloves · Oct 11 – Nov 15
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 14) and first fall frost (Oct 25) 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 37128 came on Feb 21 — 4 days earlier than the 1991–2020 average (Feb 25).

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 Murfreesboro, TN.

Soil in Murfreesboro, TN

The soil mapped at the center of ZIP 37128 is Arrington — silt loam, well drained.

TextureSilt loama good balance for most vegetables
pH6.5neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.5%moderate
Hydrologic groupBwater soaks in moderately
Farmland classprime farmlandUSDA classification

Map unit: Arrington silt loam, 0 to 2 percent slopes, occasionally flooded.

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 37128; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Murfreesboro, TN

Summer high87 °Faverage high, July
Winter low26 °Faverage low, January
Hot days31days a year at 90 °F or more
Freezing nights92nights a year at 32 °F or less
Growing degree days4,129base 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
Precipitation54.9 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 47 °F, low 26 °F 47°26° JanFebruary: average high 52 °F, low 29 °F 52°29° FebMarch: average high 60 °F, low 36 °F 60°36° MarApril: average high 70 °F, low 43 °F 70°43° AprMay: average high 77 °F, low 53 °F 77°53° MayJune: average high 84 °F, low 62 °F 84°62° JunJuly: average high 87 °F, low 65 °F 87°65° JulAugust: average high 87 °F, low 64 °F 87°64° AugSeptember: average high 83 °F, low 57 °F 83°57° SepOctober: average high 72 °F, low 45 °F 72°45° OctNovember: average high 60 °F, low 35 °F 60°35° NovDecember: average high 51 °F, low 29 °F 51°29° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 4.60 in precipitation 4.6 JanFebruary: 4.81 in precipitation 4.8 FebMarch: 5.21 in precipitation 5.2 MarApril: 5.10 in precipitation 5.1 AprMay: 5.17 in precipitation 5.2 MayJune: 5.03 in precipitation 5.0 JunJuly: 4.58 in precipitation 4.6 JulAugust: 3.67 in precipitation 3.7 AugSeptember: 3.94 in precipitation 3.9 SepOctober: 3.44 in precipitation 3.4 OctNovember: 3.98 in precipitation 4.0 NovDecember: 5.34 in precipitation 5.3 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Christiana 5w, TN (7 mi away); precipitation: Murfreesboro 3.2 Wsw, TN (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 7b.

All 7 ZIP codes in Murfreesboro → · Tennessee planting zones →

Questions about 37128

What planting zone is ZIP code 37128?

ZIP code 37128 (Murfreesboro, 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 Murfreesboro, TN?

The median last spring frost (32 °F) near 37128 is April 14; after April 30 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Christiana 5w station.

When is the first frost in Murfreesboro, TN?

The median first fall frost near 37128 is October 25, giving a median frost-free growing season of 192 days.

When should I plant tomatoes in 37128?

Start tomato seeds indoors around Feb 17 – Mar 3 and set transplants outside around Apr 21 – May 5, one to three weeks after the median last frost.

How much rain and snow does 37128 get?

About 54.9 inches of precipitation a year (NOAA 1991–2020 normals, Murfreesboro 3.2 Wsw station).

How hot do summers get in Murfreesboro, TN?

The average high peaks at 87 °F in July, with about 31 days a year at 90 °F or more.

What kind of soil does 37128 have?

The USDA soil survey maps Arrington at the center of ZIP 37128: silt loam, well drained, pH about 6.5 (neutral).

Did spring come early in Murfreesboro, TN in 2026?

Spring leaf-out near 37128 came on Feb 21 in 2026, 4 days earlier than the 1991–2020 average (Feb 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Murfreesboro, TN?

Intermediate onions: the longest day near 37128 is 14 h 35 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 37128 change?

Yes. The 2012 USDA map put 37128 in zone 7a; the 2023 map puts it in zone 7b. The newer map uses 1991–2020 data and more weather stations.