Planting zone for 57262 — Sisseton, SD
ZIP code 57262 (Sisseton, Roberts County) is in USDA zone 4b: the coldest winter night averages −25 to −20 °F. The median last spring frost is May 4 and the first fall frost October 3.
Where ZIP 57262 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
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 4b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Sisseton, 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 Sisseton, SD
A hard freeze (28 °F) usually ends around April 26 and returns around October 14.
From the NOAA station Sisseton, SD — 2 miles away, elevation 1,211 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 57262
Counted from the median last spring frost (May 4) and first fall frost (Oct 3) 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 57262 came on Apr 16 — 4 days earlier than the 1991–2020 average (Apr 20).
Apr 202026
Apr 16
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 4b in South Dakota
430 plants native to the lower 48 states, recorded in South Dakota, and rated by the USDA to survive −25 °F or colder — the bottom of zone 4b. Each links to its USDA PLANTS profile.
Trees 23
Shrubs 65
Wildflowers & perennials 191
Grasses 138
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 Sisseton, SD.
Soil in Sisseton, SD
The soil mapped at the center of ZIP 57262 is Peever — clay loam, well drained.
Map unit: Peever clay loam, 2 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 57262; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Sisseton, SD
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sisseton, SD (2 mi away); precipitation: Sisseton, SD (2 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.
Questions about 57262
What planting zone is ZIP code 57262?
ZIP code 57262 (Sisseton, SD) is in USDA hardiness zone 4b on the 2023 map: the coldest night of an average winter reaches −25 to −20 °F (−31.7 to −28.9 °C).
When is the last frost in Sisseton, SD?
The median last spring frost (32 °F) near 57262 is May 4; after May 17 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sisseton station.
When is the first frost in Sisseton, SD?
The median first fall frost near 57262 is October 3, giving a median frost-free growing season of 151 days.
When should I plant tomatoes in 57262?
Start tomato seeds indoors around Mar 9 – Mar 23 and set transplants outside around May 11 – May 25, one to three weeks after the median last frost.
How much rain and snow does 57262 get?
About 25.4 inches of precipitation a year and 48 inches of snowfall (NOAA 1991–2020 normals, Sisseton station).
How hot do summers get in Sisseton, SD?
The average high peaks at 82 °F in July, with about 11 days a year at 90 °F or more.
What kind of soil does 57262 have?
The USDA soil survey maps Peever at the center of ZIP 57262: clay loam, well drained, pH about 6.6 (neutral).
Did spring come early in Sisseton, SD in 2026?
Spring leaf-out near 57262 came on Apr 16 in 2026, 4 days earlier than the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Sisseton, SD?
Long-day onions: the longest day near 57262 is 15 h 42 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).