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

Planting zone for 38902 — Grenada, MS

ZIP code 38902 (Grenada, Grenada 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 4.

Where ZIP 38902 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 4
2012 zone8a

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 8a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Grenada, 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 Grenada, 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 14only 10% chance of frost after
First fall frostNovember 4median — 10% chance by Oct 21
Growing season222 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 12 and returns around November 15.

From the NOAA station Grenada, MS — within 1 mile, elevation 236 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 38902

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 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 28) 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 38902 came on Feb 14 — about the same time as the 1991–2020 average (Feb 12).

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 Grenada, MS.

Soil in Grenada, MS

The soil mapped at the center of ZIP 38902 is Grenada — silt loam, moderately well drained.

TextureSilt loama good balance for most vegetables
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupC/Dslow when drained; wet otherwise
Farmland classprime farmlandUSDA classification

Map unit: Grenada silt loam, 2 to 5 percent slopes, 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 38902; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Grenada, MS

Summer high92 °Faverage high, July
Winter low31 °Faverage low, January
Hot days59days a year at 90 °F or more
Freezing nights71nights a year at 32 °F or less
Growing degree days5,453base 50 °F — the season’s usable heat
Longest day14 h 24 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
Precipitation61.5 inper year, rain and melted snow
Snowfall1 inper year

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 54 °F, low 31 °F 54°31° JanFebruary: average high 58 °F, low 34 °F 58°34° FebMarch: average high 67 °F, low 41 °F 67°41° MarApril: average high 75 °F, low 49 °F 75°49° AprMay: average high 82 °F, low 59 °F 82°59° MayJune: average high 89 °F, low 67 °F 89°67° JunJuly: average high 92 °F, low 70 °F 92°70° JulAugust: average high 92 °F, low 69 °F 92°69° AugSeptember: average high 87 °F, low 62 °F 87°62° SepOctober: average high 77 °F, low 50 °F 77°50° OctNovember: average high 66 °F, low 40 °F 66°40° NovDecember: average high 57 °F, low 34 °F 57°34° Dec

Precipitation by month inches · ❄ = snowfall

0″2″4″6″January: 5.08 in precipitation, 0.5 in snowfall 5.1❄1 JanFebruary: 5.78 in precipitation, 0.4 in snowfall 5.8 FebMarch: 5.61 in precipitation, 0.2 in snowfall 5.6 MarApril: 6.42 in precipitation 6.4 AprMay: 5.53 in precipitation 5.5 MayJune: 4.85 in precipitation 4.8 JunJuly: 5.43 in precipitation 5.4 JulAugust: 3.58 in precipitation 3.6 AugSeptember: 4.36 in precipitation 4.4 SepOctober: 3.56 in precipitation 3.6 OctNovember: 4.84 in precipitation 4.8 NovDecember: 6.49 in precipitation 6.5 Dec

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

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

389018a
Grenada, MS · <1 mi
389608a
Tie Plant, MS · 1 mi
389268a
Elliott, MS · 6 mi
389538a
Scobey, MS · 13 mi
389408a
Holcomb, MS · 13 mi
389618a
Tillatoba, MS · 14 mi
389228a
Coffeeville, MS · 14 mi
389258a
Duck Hill, MS · 15 mi

All 2 ZIP codes in Grenada → · Mississippi planting zones →

Questions about 38902

What planting zone is ZIP code 38902?

ZIP code 38902 (Grenada, 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 Grenada, MS?

The median last spring frost (32 °F) near 38902 is March 28; after April 14 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Grenada station.

When is the first frost in Grenada, MS?

The median first fall frost near 38902 is November 4, giving a median frost-free growing season of 222 days.

When should I plant tomatoes in 38902?

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 38902 get?

About 61.5 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Grenada station).

How hot do summers get in Grenada, MS?

The average high peaks at 92 °F in July, with about 59 days a year at 90 °F or more.

What kind of soil does 38902 have?

The USDA soil survey maps Grenada at the center of ZIP 38902: silt loam, moderately well drained, pH about 5.3 (strongly acidic).

Did spring come early in Grenada, MS in 2026?

Spring leaf-out near 38902 came on Feb 14 in 2026, about the same as the 1991–2020 average (Feb 12), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Grenada, MS?

Intermediate onions: the longest day near 38902 is 14 h 24 min, so day-neutral types bulb best; long-day varieties may not bulb fully.