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

Planting zone for 72387 — Vanndale, AR

ZIP code 72387 (Vanndale, Cross County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 23 and the first fall frost November 7.

Where ZIP 72387 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.

Zone8a10 to 15 °F

Coldest night−12.2 to −9.4 °C

Last frostMar 23

First frostNov 7

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 Vanndale, 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 Vanndale, AR

JanFebMarAprMayJunJulAugSepOctNovDec

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

Last spring frostMarch 23median — 50% chance of a later frost

Safe for tender plantsApril 8only 10% chance of frost after

First fall frostNovember 7median — 10% chance by Oct 24

Growing season231 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 9 and returns around November 20.

From the NOAA station Wynne, AR — 4 miles away, elevation 259 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 72387

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Feb 9 – Feb 23

SpinachSow outdoors · Feb 9 – Mar 2

Broccoli, cabbageStart indoors · Jan 12 – Jan 26

Broccoli, cabbageTransplant · Mar 2 – Mar 16

Onion setsPlant outdoors · Feb 23 – Mar 9

PotatoesPlant outdoors · Mar 2 – Mar 16

LettuceSow outdoors · Feb 23 – Mar 9

Carrots, beetsSow outdoors · Mar 2 – Mar 16

TomatoesStart indoors · Jan 26 – Feb 9

TomatoesTransplant · Mar 30 – Apr 13

Peppers, eggplantStart indoors · Jan 12 – Jan 26

Peppers, eggplantTransplant · Apr 6 – Apr 20

BeansSow outdoors · Mar 30 – Apr 13

Sweet cornSow outdoors · Mar 30 – Apr 13

Cucumbers, squashSow outdoors · Mar 30 – Apr 13

Fall lettuce, spinachSow outdoors · Sep 12 – Sep 26

GarlicPlant cloves · Oct 24 – Nov 28

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 23) and first fall frost (Nov 7) 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 72387 came on Feb 17 — 4 days earlier than the 1991–2020 average (Feb 21).

average
Feb 212026
Feb 17

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 Arkansas

516 plants native to the lower 48 states, recorded in Arkansas, and rated by the USDA to survive 10 °F or colder — the bottom of zone 8a. 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 Vanndale, AR.

Soil in Vanndale, AR

The soil mapped at the center of ZIP 72387 is Arkabutla — silt loam, somewhat poorly drained.

TextureSilt loama good balance for most vegetables

pH5.6moderately acidic; most vegetables like 6.0–7.0

DrainageSomewhat poorly drainedconsider raised beds

Organic matter1.75%low — add compost

Hydrologic groupB/Dmoderate when drained; wet otherwise

Farmland classPrime farmland if protected from flooding or not frequently flooded during the growing seasonUSDA classification

Map unit: Arkabutla silt loam.

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 72387; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Vanndale, AR

Summer high92 °Faverage high, July

Winter low32 °Faverage low, January

Hot days64days a year at 90 °F or more

Freezing nights60nights a year at 32 °F or less

Growing degree days5,507base 50 °F — the season’s usable heat

Longest day14 h 32 mindaylight on June 21

Shortest day9 h 46 mindaylight on December 21

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

Precipitation50.6 inper year, rain and melted snow

Snowfall2 inper year; 2 days with snow on the ground

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Wynne, AR (4 mi away); precipitation: Wynne, AR (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

723248a

Cherry Valley, AR · 5 mi

Hickory Ridge, AR · 13 mi

Harrisburg, AR · 17 mi

723228a

Caldwell, AR · 17 mi

Arkansas planting zones →

Questions about 72387

What planting zone is ZIP code 72387?

ZIP code 72387 (Vanndale, AR) 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 Vanndale, AR?

The median last spring frost (32 °F) near 72387 is March 23; after April 8 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Wynne station.

When is the first frost in Vanndale, AR?

The median first fall frost near 72387 is November 7, giving a median frost-free growing season of 231 days.

When should I plant tomatoes in 72387?

Start tomato seeds indoors around Jan 26 – Feb 9 and set transplants outside around Mar 30 – Apr 13, one to three weeks after the median last frost.

How much rain and snow does 72387 get?

About 50.6 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals, Wynne station).

How hot do summers get in Vanndale, AR?

The average high peaks at 92 °F in July, with about 64 days a year at 90 °F or more.

What kind of soil does 72387 have?

The USDA soil survey maps Arkabutla at the center of ZIP 72387: silt loam, somewhat poorly drained, pH about 5.6 (moderately acidic).

Did spring come early in Vanndale, AR in 2026?

Spring leaf-out near 72387 came on Feb 17 in 2026, 4 days earlier than the 1991–2020 average (Feb 21), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Vanndale, AR?

Intermediate onions: the longest day near 72387 is 14 h 32 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 72387 change?

Yes. The 2012 USDA map put 72387 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.