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

Planting zone for 38875 — Trebloc, MS

ZIP code 38875 (Trebloc, Chickasaw County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 28 and the first fall frost November 1.

Where ZIP 38875 is

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.

Zone8a10 to 15 °F
Coldest night−12.2 to −9.4 °C
Last frostMar 28
First frostNov 1
2012 zone7b

Was 7b 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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Trebloc, MS…

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 Trebloc, MS

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 28median — 50% chance of a later frost
Safe for tender plantsApril 15only 10% chance of frost after
First fall frostNovember 1median — 10% chance by Oct 19
Growing season220 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 12 and returns around November 14.

From the NOAA station Houston, MS — 2 miles away, elevation 289 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 38875

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 14 – Feb 28
SpinachSow outdoors · Feb 14 – Mar 7
Broccoli, cabbageStart indoors · Jan 17 – Jan 31
Broccoli, cabbageTransplant · Mar 7 – Mar 21
Onion setsPlant outdoors · Feb 28 – Mar 14
PotatoesPlant outdoors · Mar 7 – Mar 21
LettuceSow outdoors · Feb 28 – Mar 14
Carrots, beetsSow outdoors · Mar 7 – Mar 21
TomatoesStart indoors · Jan 31 – Feb 14
TomatoesTransplant · Apr 4 – Apr 18
Peppers, eggplantStart indoors · Jan 17 – Jan 31
Peppers, eggplantTransplant · Apr 11 – Apr 25
BeansSow outdoors · Apr 4 – Apr 18
Sweet cornSow outdoors · Apr 4 – Apr 18
Cucumbers, squashSow outdoors · Apr 4 – Apr 18
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 (Mar 28) 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 38875 came on Feb 14 — about the same time as the 1991–2020 average (Feb 13).

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 8a in Mississippi

508 plants native to the lower 48 states, recorded in Mississippi, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. Each links to its USDA PLANTS profile.

Trees 79

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 °FAtlantic white cedar50 ft · blooms spring · medium shade tolerance · to −36 °F

Shrubs 110

aloe yucca15 ft · blooms early summer · medium shade tolerance · to −1 °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 °FAmerican hornbeam30 ft · blooms mid spring · low shade tolerance · to −34 °F

Wildflowers & perennials 160

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 spongeplant0.5 ft · blooms mid spring · high shade tolerance · to −24 °FAmerican water horehound1.8 ft · blooms early summer · low shade tolerance · to −38 °F

Grasses 139

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 °Fbig bluestem6 ft · blooms summer · high shade tolerance · to −46 °Fbig cordgrass8 ft · blooms spring · high shade tolerance · to −3 °Fbitter panicgrass5 ft · blooms mid summer · high shade tolerance · to −18 °F

Vines 13

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 Trebloc, MS.

Soil in Trebloc, MS

The soil mapped at the center of ZIP 38875 is Prentiss — fine sandy loam, moderately well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter2%moderate
Hydrologic groupCwater soaks in slowly
Farmland classprime farmlandUSDA classification

Map unit: Prentiss fine sandy loam, 2 to 5 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 38875; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Trebloc, MS

Summer high91 °Faverage high, August
Winter low32 °Faverage low, January
Hot days54days a year at 90 °F or more
Freezing nights70nights a year at 32 °F or less
Growing degree days5,374base 50 °F — the season’s usable heat
Longest day14 h 25 mindaylight on June 21
Shortest day9 h 54 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation59.3 inper year, rain and melted snow
Snowfall1 inper year; 1 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 53 °F, low 32 °F 53°32° JanFebruary: average high 58 °F, low 35 °F 58°35° FebMarch: average high 66 °F, low 43 °F 66°43° MarApril: average high 74 °F, low 50 °F 74°50° AprMay: average high 82 °F, low 59 °F 82°59° MayJune: average high 88 °F, low 67 °F 88°67° JunJuly: average high 90 °F, low 70 °F 90°70° JulAugust: average high 91 °F, low 69 °F 91°69° AugSeptember: average high 86 °F, low 62 °F 86°62° SepOctober: average high 76 °F, low 50 °F 76°50° OctNovember: average high 64 °F, low 40 °F 64°40° NovDecember: average high 55 °F, low 35 °F 55°35° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 5.12 in precipitation, 0.6 in snowfall 5.1❄1 JanFebruary: 5.80 in precipitation, 0.2 in snowfall 5.8 FebMarch: 5.14 in precipitation 5.1 MarApril: 6.08 in precipitation 6.1 AprMay: 5.67 in precipitation 5.7 MayJune: 5.59 in precipitation 5.6 JunJuly: 4.13 in precipitation 4.1 JulAugust: 4.66 in precipitation 4.7 AugSeptember: 3.49 in precipitation 3.5 SepOctober: 3.36 in precipitation 3.4 OctNovember: 4.50 in precipitation 4.5 NovDecember: 5.80 in precipitation 5.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Houston, MS (2 mi away); precipitation: Houston, MS (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

388518a
Houston, MS · <1 mi
388778a
Van Vleet, MS · 6 mi
397768a
Woodland, MS · 9 mi
388508a
Houlka, MS · 12 mi
388608a
Okolona, MS · 12 mi
397548a
Montpelier, MS · 13 mi
388788a
Vardaman, MS · 14 mi
397568a
Prairie, MS · 16 mi

Mississippi planting zones →

Questions about 38875

What planting zone is ZIP code 38875?

ZIP code 38875 (Trebloc, MS) is in USDA hardiness zone 8a on the 2023 map: the coldest night of an average winter reaches 10 to 15 °F (−12.2 to −9.4 °C).

When is the last frost in Trebloc, MS?

The median last spring frost (32 °F) near 38875 is March 28; after April 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Houston station.

When is the first frost in Trebloc, MS?

The median first fall frost near 38875 is November 1, giving a median frost-free growing season of 220 days.

When should I plant tomatoes in 38875?

Start tomato seeds indoors around Jan 31 – Feb 14 and set transplants outside around Apr 4 – Apr 18, one to three weeks after the median last frost.

How much rain and snow does 38875 get?

About 59.3 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Houston station).

How hot do summers get in Trebloc, MS?

The average high peaks at 91 °F in August, with about 54 days a year at 90 °F or more.

What kind of soil does 38875 have?

The USDA soil survey maps Prentiss at the center of ZIP 38875: fine sandy loam, moderately well drained, pH about 5.0 (strongly acidic).

Did spring come early in Trebloc, MS in 2026?

Spring leaf-out near 38875 came on Feb 14 in 2026, about the same as the 1991–2020 average (Feb 13), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Trebloc, MS?

Intermediate onions: the longest day near 38875 is 14 h 25 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 38875 change?

Yes. The 2012 USDA map put 38875 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.