Planting zone for 68713 — Atkinson, NE
ZIP code 68713 (Atkinson, Holt County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 4 and the first fall frost October 4.
Where ZIP 68713 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 5a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Atkinson, NE…
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 Atkinson, NE
A hard freeze (28 °F) usually ends around April 24 and returns around October 13.
From the NOAA station Atkinson 3sw, NE — 4 miles away, elevation 2,129 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 68713
Counted from the median last spring frost (May 4) and first fall frost (Oct 4) 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 68713 came on Mar 18 — 18 days earlier than the 1991–2020 average (Apr 5).
Apr 52026
Mar 18
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 Nebraska
413 plants native to the lower 48 states, recorded in Nebraska, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.
Trees 31
Shrubs 55
Wildflowers & perennials 184
Grasses 129
Vines 7
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 Atkinson, NE.
Soil in Atkinson, NE
The soil mapped at the center of ZIP 68713 is Dunn — loamy sand, moderately well drained.
Map unit: Dunn loamy sand, 0 to 3 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 68713; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Atkinson, NE
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Atkinson 3sw, NE (4 mi away); precipitation: Atkinson 3sw, NE (4 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
2 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 68713
What planting zone is ZIP code 68713?
ZIP code 68713 (Atkinson, NE) 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 Atkinson, NE?
The median last spring frost (32 °F) near 68713 is May 4; after May 18 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Atkinson 3sw station.
When is the first frost in Atkinson, NE?
The median first fall frost near 68713 is October 4, giving a median frost-free growing season of 152 days.
When should I plant tomatoes in 68713?
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 68713 get?
About 24.9 inches of precipitation a year and 33 inches of snowfall (NOAA 1991–2020 normals, Atkinson 3sw station).
How hot do summers get in Atkinson, NE?
The average high peaks at 86 °F in July, with about 31 days a year at 90 °F or more.
What kind of soil does 68713 have?
The USDA soil survey maps Dunn at the center of ZIP 68713: loamy sand, moderately well drained, pH about 6.5 (neutral).
Did spring come early in Atkinson, NE in 2026?
Spring leaf-out near 68713 came on Mar 18 in 2026, 18 days earlier than the 1991–2020 average (Apr 5), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Atkinson, NE?
Long-day onions: the longest day near 68713 is 15 h 18 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).