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

Planting zone for 57367 — Pickstown, SD

ZIP code 57367 (Pickstown, Charles Mix County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is April 30 and the first fall frost October 13.

Where ZIP 57367 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.

Zone5b−15 to −10 °F
Coldest night−26.1 to −23.3 °C
Last frostApr 30
First frostOct 13
2012 zone5a

Was 5a 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 5b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Pickstown, SD…

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 Pickstown, SD

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 30median — 50% chance of a later frost
Safe for tender plantsMay 12only 10% chance of frost after
First fall frostOctober 13median — 10% chance by Sep 29
Growing season165 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 20 and returns around October 22.

From the NOAA station Pickstown, SD — within 1 mile, elevation 1,490 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 57367

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 19 – Apr 2
SpinachSow outdoors · Mar 19 – Apr 9
Broccoli, cabbageStart indoors · Feb 19 – Mar 5
Broccoli, cabbageTransplant · Apr 9 – Apr 23
Onion setsPlant outdoors · Apr 2 – Apr 16
PotatoesPlant outdoors · Apr 9 – Apr 23
LettuceSow outdoors · Apr 2 – Apr 16
Carrots, beetsSow outdoors · Apr 9 – Apr 23
TomatoesStart indoors · Mar 5 – Mar 19
TomatoesTransplant · May 7 – May 21
Peppers, eggplantStart indoors · Feb 19 – Mar 5
Peppers, eggplantTransplant · May 14 – May 28
BeansSow outdoors · May 7 – May 21
Sweet cornSow outdoors · May 7 – May 21
Cucumbers, squashSow outdoors · May 7 – May 21
Fall lettuce, spinachSow outdoors · Aug 18 – Sep 1
GarlicPlant cloves · Sep 29 – Nov 3
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 30) and first fall frost (Oct 13) 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 57367 came on Mar 22 — 15 days earlier than the 1991–2020 average (Apr 6).

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 5b in South Dakota

458 plants native to the lower 48 states, recorded in South Dakota, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.

Trees 23

Shrubs 70

Wildflowers & perennials 206

Grasses 146

Vines 5

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 Pickstown, SD.

Soil in Pickstown, SD

The soil mapped at the center of ZIP 57367 is Betts — loam, well drained.

TextureLoama good balance for most vegetables
pH7.7slightly alkaline; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2.5%moderate
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Betts-Ethan loams, 15 to 40 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 57367; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Pickstown, SD

Summer high87 °Faverage high, July
Winter low12 °Faverage low, January
Hot days36days a year at 90 °F or more
Freezing nights152nights a year at 32 °F or less
Growing degree days3,142base 50 °F — the season’s usable heat
Longest day15 h 22 mindaylight on June 21
Shortest day9 h 00 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation24.4 inper year, rain and melted snow
Snowfall31 inper year; 57 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 32 °F, low 12 °F 32°12° JanFebruary: average high 37 °F, low 15 °F 37°15° FebMarch: average high 48 °F, low 24 °F 48°24° MarApril: average high 59 °F, low 35 °F 59°35° AprMay: average high 70 °F, low 47 °F 70°47° MayJune: average high 81 °F, low 58 °F 81°58° JunJuly: average high 87 °F, low 64 °F 87°64° JulAugust: average high 86 °F, low 62 °F 86°62° AugSeptember: average high 78 °F, low 53 °F 78°53° SepOctober: average high 63 °F, low 39 °F 63°39° OctNovember: average high 48 °F, low 26 °F 48°26° NovDecember: average high 35 °F, low 16 °F 35°16° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 0.51 in precipitation, 5.7 in snowfall 0.5❄6 JanFebruary: 0.70 in precipitation, 6.4 in snowfall 0.7❄6 FebMarch: 1.09 in precipitation, 5.3 in snowfall 1.1❄5 MarApril: 3.23 in precipitation, 3.2 in snowfall 3.2❄3 AprMay: 4.03 in precipitation 4.0 MayJune: 3.49 in precipitation 3.5 JunJuly: 2.51 in precipitation 2.5 JulAugust: 2.75 in precipitation 2.8 AugSeptember: 2.43 in precipitation 2.4 SepOctober: 2.20 in precipitation, 0.1 in snowfall 2.2 OctNovember: 0.76 in precipitation, 3.5 in snowfall 0.8❄4 NovDecember: 0.66 in precipitation, 7.1 in snowfall 0.7❄7 Dec

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

Nearby ZIP codes

8 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

South Dakota planting zones →

Questions about 57367

What planting zone is ZIP code 57367?

ZIP code 57367 (Pickstown, SD) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).

When is the last frost in Pickstown, SD?

The median last spring frost (32 °F) near 57367 is April 30; after May 12 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pickstown station.

When is the first frost in Pickstown, SD?

The median first fall frost near 57367 is October 13, giving a median frost-free growing season of 165 days.

When should I plant tomatoes in 57367?

Start tomato seeds indoors around Mar 5 – Mar 19 and set transplants outside around May 7 – May 21, one to three weeks after the median last frost.

How much rain and snow does 57367 get?

About 24.4 inches of precipitation a year and 31 inches of snowfall (NOAA 1991–2020 normals, Pickstown station).

How hot do summers get in Pickstown, SD?

The average high peaks at 87 °F in July, with about 36 days a year at 90 °F or more.

What kind of soil does 57367 have?

The USDA soil survey maps Betts at the center of ZIP 57367: loam, well drained, pH about 7.7 (slightly alkaline).

Did spring come early in Pickstown, SD in 2026?

Spring leaf-out near 57367 came on Mar 22 in 2026, 15 days earlier than the 1991–2020 average (Apr 6), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Pickstown, SD?

Long-day onions: the longest day near 57367 is 15 h 22 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 57367 change?

Yes. The 2012 USDA map put 57367 in zone 5a; the 2023 map puts it in zone 5b. The newer map uses 1991–2020 data and more weather stations.