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

Planting zone for 72087 — Lonsdale, AR

ZIP code 72087 (Lonsdale, Garland County) is in USDA zone 8a: the coldest winter night averages 10 to 15 °F. The median last spring frost is March 24 and the first fall frost November 7.

Where ZIP 72087 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 24
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 Lonsdale, 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 Lonsdale, AR

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 24median — 50% chance of a later frost
Safe for tender plantsApril 13only 10% chance of frost after
First fall frostNovember 7median — 10% chance by Oct 26
Growing season229 daysfrost-free, median

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

From the NOAA station Benton, AR — 13 miles away, elevation 312 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 72087

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 10 – Feb 24
SpinachSow outdoors · Feb 10 – Mar 3
Broccoli, cabbageStart indoors · Jan 13 – Jan 27
Broccoli, cabbageTransplant · Mar 3 – Mar 17
Onion setsPlant outdoors · Feb 24 – Mar 10
PotatoesPlant outdoors · Mar 3 – Mar 17
LettuceSow outdoors · Feb 24 – Mar 10
Carrots, beetsSow outdoors · Mar 3 – Mar 17
TomatoesStart indoors · Jan 27 – Feb 10
TomatoesTransplant · Mar 31 – Apr 14
Peppers, eggplantStart indoors · Jan 13 – Jan 27
Peppers, eggplantTransplant · Apr 7 – Apr 21
BeansSow outdoors · Mar 31 – Apr 14
Sweet cornSow outdoors · Mar 31 – Apr 14
Cucumbers, squashSow outdoors · Mar 31 – Apr 14
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 24) 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 72087 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).

Soil in Lonsdale, AR

The soil mapped at the center of ZIP 72087 is Carnasaw — 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 groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Carnasaw-Townley association, steep.

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 72087; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Lonsdale, AR

Summer high93 °Faverage high, July
Winter low31 °Faverage low, January
Hot days74days a year at 90 °F or more
Freezing nights64nights a year at 32 °F or less
Growing degree days5,499base 50 °F — the season’s usable heat
Longest day14 h 28 mindaylight on June 21
Shortest day9 h 50 mindaylight on December 21
Onions to growIntermediateday-neutral types bulb best; long-day varieties may not bulb fully
Precipitation53.5 inper year, rain and melted snow
Snowfall2 inper year

Average high and low, by month

20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 53 °F, low 31 °F 53°31° JanFebruary: average high 57 °F, low 34 °F 57°34° FebMarch: average high 66 °F, low 41 °F 66°41° MarApril: average high 75 °F, low 50 °F 75°50° AprMay: average high 82 °F, low 60 °F 82°60° MayJune: average high 89 °F, low 69 °F 89°69° JunJuly: average high 93 °F, low 72 °F 93°72° JulAugust: average high 93 °F, low 71 °F 93°71° AugSeptember: average high 87 °F, low 63 °F 87°63° SepOctober: average high 76 °F, low 51 °F 76°51° OctNovember: average high 64 °F, low 40 °F 64°40° NovDecember: average high 55 °F, low 33 °F 55°33° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″6″January: 3.49 in precipitation, 1.3 in snowfall 3.5❄1 JanFebruary: 4.04 in precipitation, 0.7 in snowfall 4.0❄1 FebMarch: 5.32 in precipitation 5.3 MarApril: 5.65 in precipitation 5.7 AprMay: 5.06 in precipitation 5.1 MayJune: 4.34 in precipitation 4.3 JunJuly: 3.49 in precipitation 3.5 JulAugust: 4.08 in precipitation 4.1 AugSeptember: 3.63 in precipitation 3.6 SepOctober: 4.26 in precipitation 4.3 OctNovember: 4.95 in precipitation 5.0 NovDecember: 5.19 in precipitation 5.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Benton, AR (13 mi away); precipitation: Owensville 3e, AR (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

All 8 nearest ZIP codes share zone 8a.

720198a
Benton, AR · 8 mi
719018a
Hot Springs National Park, AR · 10 mi
719098a
Hot Springs Village, AR · 10 mi
721588a
Benton, AR · 10 mi
719148a
Hot Springs National Park, AR · 10 mi
719108a
Hot Springs Village, AR · 11 mi
721228a
Paron, AR · 12 mi
720188a
Benton, AR · 14 mi

Arkansas planting zones →

Questions about 72087

What planting zone is ZIP code 72087?

ZIP code 72087 (Lonsdale, 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 Lonsdale, AR?

The median last spring frost (32 °F) near 72087 is March 24; after April 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Benton station.

When is the first frost in Lonsdale, AR?

The median first fall frost near 72087 is November 7, giving a median frost-free growing season of 229 days.

When should I plant tomatoes in 72087?

Start tomato seeds indoors around Jan 27 – Feb 10 and set transplants outside around Mar 31 – Apr 14, one to three weeks after the median last frost.

How much rain and snow does 72087 get?

About 53.5 inches of precipitation a year and 2 inches of snowfall (NOAA 1991–2020 normals, Owensville 3e station).

How hot do summers get in Lonsdale, AR?

The average high peaks at 93 °F in July, with about 74 days a year at 90 °F or more.

What kind of soil does 72087 have?

The USDA soil survey maps Carnasaw at the center of ZIP 72087: gravelly silt loam, well drained, pH about 5.3 (strongly acidic).

Did spring come early in Lonsdale, AR in 2026?

Spring leaf-out near 72087 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 Lonsdale, AR?

Intermediate onions: the longest day near 72087 is 14 h 28 min, so day-neutral types bulb best; long-day varieties may not bulb fully.

Did the zone for 72087 change?

Yes. The 2012 USDA map put 72087 in zone 7b; the 2023 map puts it in zone 8a. The newer map uses 1991–2020 data and more weather stations.