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

Planting zone for 72260 — Little Rock, AR

ZIP code 72260 (Little Rock, Boone County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 21 and the first fall frost November 10.

Where ZIP 72260 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 21
First frostNov 10
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 Little Rock, 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 Little Rock, AR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 21median — 50% chance of a later frost
Safe for tender plantsApril 6only 10% chance of frost after
First fall frostNovember 10median — 10% chance by Oct 29
Growing season234 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 8 and returns around November 21.

From the NOAA station Little Rock Airport Adams Field, AR — 6 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 72260

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 7 – Feb 21
SpinachSow outdoors · Feb 7 – Feb 28
Broccoli, cabbageStart indoors · Jan 10 – Jan 24
Broccoli, cabbageTransplant · Feb 28 – Mar 14
Onion setsPlant outdoors · Feb 21 – Mar 7
PotatoesPlant outdoors · Feb 28 – Mar 14
LettuceSow outdoors · Feb 21 – Mar 7
Carrots, beetsSow outdoors · Feb 28 – Mar 14
TomatoesStart indoors · Jan 24 – Feb 7
TomatoesTransplant · Mar 28 – Apr 11
Peppers, eggplantStart indoors · Jan 10 – Jan 24
Peppers, eggplantTransplant · Apr 4 – Apr 18
BeansSow outdoors · Mar 28 – Apr 11
Sweet cornSow outdoors · Mar 28 – Apr 11
Cucumbers, squashSow outdoors · Mar 28 – Apr 11
Fall lettuce, spinachSow outdoors · Sep 15 – Sep 29
GarlicPlant cloves · Oct 27 – Dec 1
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 21) and first fall frost (Nov 10) 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 72260 came on Feb 13 — 3 days earlier than the 1991–2020 average (Feb 16).

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.

Trees 71

Shrubs 98

Wildflowers & perennials 174

Grasses 150

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 Little Rock, AR.

Soil in Little Rock, AR

The soil mapped at the center of ZIP 72260 is Sallisaw — gravelly silt loam, well drained.

TextureGravelly silt loama good balance for most vegetables
pH5.3strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter1.25%low — add compost
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Sallisaw-Urban land complex, 3 to 8 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 72260; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Little Rock, AR

Summer high92 °Faverage high, July
Winter low31 °Faverage low, January
Hot days76days a year at 90 °F or more
Freezing nights50nights a year at 32 °F or less
Growing degree days5,263base 50 °F — the season’s usable heat
Longest day14 h 29 mindaylight on June 21
Shortest day9 h 49 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation52.4 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 51 °F, low 31 °F 51°31° JanFebruary: average high 55 °F, low 34 °F 55°34° FebMarch: average high 64 °F, low 42 °F 64°42° MarApril: average high 73 °F, low 50 °F 73°50° AprMay: average high 81 °F, low 59 °F 81°59° MayJune: average high 88 °F, low 68 °F 88°68° JunJuly: average high 92 °F, low 71 °F 92°71° JulAugust: average high 92 °F, low 70 °F 92°70° AugSeptember: average high 85 °F, low 63 °F 85°63° SepOctober: average high 74 °F, low 51 °F 74°51° OctNovember: average high 62 °F, low 40 °F 62°40° NovDecember: average high 53 °F, low 33 °F 53°33° Dec

Precipitation by month inches

0″1″2″3″4″5″6″January: 3.57 in precipitation 3.6 JanFebruary: 4.19 in precipitation 4.2 FebMarch: 5.08 in precipitation 5.1 MarApril: 5.29 in precipitation 5.3 AprMay: 5.65 in precipitation 5.7 MayJune: 3.80 in precipitation 3.8 JunJuly: 3.82 in precipitation 3.8 JulAugust: 2.94 in precipitation 2.9 AugSeptember: 3.45 in precipitation 3.5 SepOctober: 4.56 in precipitation 4.6 OctNovember: 4.89 in precipitation 4.9 NovDecember: 5.16 in precipitation 5.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Little Rock Airport Adams Field, AR (6 mi away); precipitation: Little Rock 2.2 N, AR (within 1 mile). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

All 25 ZIP codes in Little Rock → · Arkansas planting zones →

Questions about 72260

What planting zone is ZIP code 72260?

ZIP code 72260 (Little Rock, 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 Little Rock, AR?

The median last spring frost (32 °F) near 72260 is March 21; after April 6 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Little Rock Airport Adams Field station.

When is the first frost in Little Rock, AR?

The median first fall frost near 72260 is November 10, giving a median frost-free growing season of 234 days.

When should I plant tomatoes in 72260?

Start tomato seeds indoors around Jan 24 – Feb 7 and set transplants outside around Mar 28 – Apr 11, one to three weeks after the median last frost.

How much rain and snow does 72260 get?

About 52.4 inches of precipitation a year (NOAA 1991–2020 normals, Little Rock 2.2 N station).

How hot do summers get in Little Rock, AR?

The average high peaks at 92 °F in July, with about 76 days a year at 90 °F or more.

What kind of soil does 72260 have?

The USDA soil survey maps Sallisaw at the center of ZIP 72260: gravelly silt loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Little Rock, AR in 2026?

Spring leaf-out near 72260 came on Feb 13 in 2026, 3 days earlier than the 1991–2020 average (Feb 16), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Little Rock, AR?

Intermediate onions: the longest day near 72260 is 14 h 29 min, so day-neutral types bulb best; long-day varieties may not bulb fully.