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

Planting zone for 57531 — Draper, SD

ZIP code 57531 (Draper, Jones County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 6 and the first fall frost October 7.

Where ZIP 57531 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.

Zone5a−20 to −15 °F
Coldest night−28.9 to −26.1 °C
Last frostMay 6
First frostOct 7
2012 zone5a

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 5a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Draper, 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 Draper, SD

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 6median — 50% chance of a later frost
Safe for tender plantsMay 20only 10% chance of frost after
First fall frostOctober 7median — 10% chance by Sep 22
Growing season154 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 25 and returns around October 16.

From the NOAA station Pierre 24 S, SD — 7 miles away, elevation 2,123 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 57531

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 25 – Apr 8
SpinachSow outdoors · Mar 25 – Apr 15
Broccoli, cabbageStart indoors · Feb 25 – Mar 11
Broccoli, cabbageTransplant · Apr 15 – Apr 29
Onion setsPlant outdoors · Apr 8 – Apr 22
PotatoesPlant outdoors · Apr 15 – Apr 29
LettuceSow outdoors · Apr 8 – Apr 22
Carrots, beetsSow outdoors · Apr 15 – Apr 29
TomatoesStart indoors · Mar 11 – Mar 25
TomatoesTransplant · May 13 – May 27
Peppers, eggplantStart indoors · Feb 25 – Mar 11
Peppers, eggplantTransplant · May 20 – Jun 3
BeansSow outdoors · May 13 – May 27
Sweet cornSow outdoors · May 13 – May 27
Cucumbers, squashSow outdoors · May 13 – May 27
Fall lettuce, spinachSow outdoors · Aug 12 – Aug 26
GarlicPlant cloves · Sep 23 – Oct 28
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 6) and first fall frost (Oct 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 57531 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 5a in South Dakota

452 plants native to the lower 48 states, recorded in South Dakota, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.

Trees 23

Shrubs 70

Wildflowers & perennials 202

Grasses 144

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 Draper, SD.

Soil in Draper, SD

The soil mapped at the center of ZIP 57531 is Promise — clay, well drained.

TextureClayholds water and nutrients; slow to drain and warm up
pH7.0neutral; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter4%moderate
Hydrologic groupDwater soaks in very slowly
Farmland classFarmland of statewide importanceUSDA classification

Map unit: Promise clay, 3 to 6 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 57531; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Draper, SD

Summer high86 °Faverage high, July
Winter low11 °Faverage low, January
Hot days27days a year at 90 °F or more
Freezing nights159nights a year at 32 °F or less
Growing degree days2,771base 50 °F — the season’s usable heat
Longest day15 h 29 mindaylight on June 21
Shortest day8 h 53 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation19.6 inper year, rain and melted snow

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°100°32 °FJanuary: average high 30 °F, low 11 °F 30°11° JanFebruary: average high 34 °F, low 14 °F 34°14° FebMarch: average high 46 °F, low 23 °F 46°23° MarApril: average high 57 °F, low 33 °F 57°33° AprMay: average high 68 °F, low 44 °F 68°44° MayJune: average high 78 °F, low 56 °F 78°56° JunJuly: average high 86 °F, low 61 °F 86°61° JulAugust: average high 85 °F, low 59 °F 85°59° AugSeptember: average high 76 °F, low 50 °F 76°50° SepOctober: average high 60 °F, low 37 °F 60°37° OctNovember: average high 45 °F, low 24 °F 45°24° NovDecember: average high 33 °F, low 15 °F 33°15° Dec

Precipitation by month inches

0″1″2″3″4″January: 0.39 in precipitation 0.4 JanFebruary: 0.59 in precipitation 0.6 FebMarch: 0.92 in precipitation 0.9 MarApril: 2.02 in precipitation 2.0 AprMay: 3.13 in precipitation 3.1 MayJune: 3.54 in precipitation 3.5 JunJuly: 2.45 in precipitation 2.5 JulAugust: 2.29 in precipitation 2.3 AugSeptember: 1.51 in precipitation 1.5 SepOctober: 1.58 in precipitation 1.6 OctNovember: 0.86 in precipitation 0.9 NovDecember: 0.37 in precipitation 0.4 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Pierre 24 S, SD (7 mi away); precipitation: Pierre 24 S, SD (7 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 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 57531

What planting zone is ZIP code 57531?

ZIP code 57531 (Draper, SD) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).

When is the last frost in Draper, SD?

The median last spring frost (32 °F) near 57531 is May 6; after May 20 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Pierre 24 S station.

When is the first frost in Draper, SD?

The median first fall frost near 57531 is October 7, giving a median frost-free growing season of 154 days.

When should I plant tomatoes in 57531?

Start tomato seeds indoors around Mar 11 – Mar 25 and set transplants outside around May 13 – May 27, one to three weeks after the median last frost.

How much rain and snow does 57531 get?

About 19.6 inches of precipitation a year (NOAA 1991–2020 normals, Pierre 24 S station).

How hot do summers get in Draper, SD?

The average high peaks at 86 °F in July, with about 27 days a year at 90 °F or more.

What kind of soil does 57531 have?

The USDA soil survey maps Promise at the center of ZIP 57531: clay, well drained, pH about 7.0 (neutral).

Did spring come early in Draper, SD in 2026?

Spring leaf-out near 57531 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 Draper, SD?

Long-day onions: the longest day near 57531 is 15 h 29 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).