Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 71747 — Huttig, AR

ZIP code 71747 (Huttig, Union County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is March 25 and the first fall frost November 5.

Where ZIP 71747 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.

Zone8b15 to 20 °F

Coldest night−9.4 to −6.7 °C

Last frostMar 25

First frostNov 5

2012 zone8a

Was 8a 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 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Huttig, AR…

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 Huttig, AR

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMarch 25median — 50% chance of a later frost

Safe for tender plantsApril 10only 10% chance of frost after

First fall frostNovember 5median — 10% chance by Oct 20

Growing season226 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 9 and returns around November 18.

From the NOAA station Monroe 26 N, LA — 13 miles away, elevation 89 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 71747

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 11 – Feb 25

SpinachSow outdoors · Feb 11 – Mar 4

Broccoli, cabbageStart indoors · Jan 14 – Jan 28

Broccoli, cabbageTransplant · Mar 4 – Mar 18

Onion setsPlant outdoors · Feb 25 – Mar 11

PotatoesPlant outdoors · Mar 4 – Mar 18

LettuceSow outdoors · Feb 25 – Mar 11

Carrots, beetsSow outdoors · Mar 4 – Mar 18

TomatoesStart indoors · Jan 28 – Feb 11

TomatoesTransplant · Apr 1 – Apr 15

Peppers, eggplantStart indoors · Jan 14 – Jan 28

Peppers, eggplantTransplant · Apr 8 – Apr 22

BeansSow outdoors · Apr 1 – Apr 15

Sweet cornSow outdoors · Apr 1 – Apr 15

Cucumbers, squashSow outdoors · Apr 1 – Apr 15

Fall lettuce, spinachSow outdoors · Sep 10 – Sep 24

GarlicPlant cloves · Oct 22 – Nov 26

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 25) and first fall frost (Nov 5) 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 71747 came on Feb 10 — 4 days later than the 1991–2020 average (Feb 6).

average
Feb 62026
Feb 10

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 8b in Arkansas

521 plants native to the lower 48 states, recorded in Arkansas, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. Each links to its USDA PLANTS profile.

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 Huttig, AR.

Soil in Huttig, AR

The soil mapped at the center of ZIP 71747 is Sacul — fine sandy loam, moderately well drained.

TextureFine sandy loamdrains and warms fast; dries out and needs more feeding

pH5.3strongly acidic; most vegetables like 6.0–7.0

DrainageModerately well drainednatural drainage class

Organic matter2%moderate

Hydrologic groupDwater soaks in very slowly

Farmland classNot prime farmlandUSDA classification

Map unit: Sacul fine sandy loam, 8 to 15 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 71747; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Huttig, AR

Summer high92 °Faverage high, July

Winter low34 °Faverage low, January

Hot days84days a year at 90 °F or more

Freezing nights59nights a year at 32 °F or less

Growing degree days5,604base 50 °F — the season’s usable heat

Longest day14 h 20 mindaylight on June 21

Shortest day9 h 58 mindaylight on December 21

Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully

Precipitation55.7 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Monroe 26 N, LA (13 mi away); precipitation: Felsenthal L&D, AR (6 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8b.

Farmerville, LA · 20 mi

716478b

Hermitage, AR · 22 mi

712208b

Bastrop, LA · 23 mi

Arkansas planting zones →

Questions about 71747

What planting zone is ZIP code 71747?

ZIP code 71747 (Huttig, AR) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Huttig, AR?

The median last spring frost (32 °F) near 71747 is March 25; after April 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Monroe 26 N station.

When is the first frost in Huttig, AR?

The median first fall frost near 71747 is November 5, giving a median frost-free growing season of 226 days.

When should I plant tomatoes in 71747?

Start tomato seeds indoors around Jan 28 – Feb 11 and set transplants outside around Apr 1 – Apr 15, one to three weeks after the median last frost.

How much rain and snow does 71747 get?

About 55.7 inches of precipitation a year (NOAA 1991–2020 normals, Felsenthal L&D station).

How hot do summers get in Huttig, AR?

The average high peaks at 92 °F in July, with about 84 days a year at 90 °F or more.

What kind of soil does 71747 have?

The USDA soil survey maps Sacul at the center of ZIP 71747: fine sandy loam, moderately well drained, pH about 5.3 (strongly acidic).

Did spring come early in Huttig, AR in 2026?

Spring leaf-out near 71747 came on Feb 10 in 2026, 4 days later than the 1991–2020 average (Feb 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Huttig, AR?

Intermediate onions: the longest day near 71747 is 14 h 20 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 71747 change?

Yes. The 2012 USDA map put 71747 in zone 8a; the 2023 map puts it in zone 8b. The newer map uses 1991–2020 data and more weather stations.