Planting zone for 67756 — Saint Francis, KS
ZIP code 67756 (Saint Francis, Cheyenne County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is April 30 and the first fall frost October 10.
Where ZIP 67756 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.
Was 5b 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 6a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Saint Francis, KS…
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 Saint Francis, KS
A hard freeze (28 °F) usually ends around April 20 and returns around October 18.
From the NOAA station Saint Francis, KS — 2 miles away, elevation 3,337 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 67756
Counted from the median last spring frost (Apr 30) and first fall frost (Oct 10) 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 67756 came on Feb 21 — 28 days earlier than the 1991–2020 average (Mar 21).
Mar 212026
Feb 21
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 6a in Kansas
425 plants native to the lower 48 states, recorded in Kansas, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.
Trees 37
Shrubs 64
Wildflowers & perennials 174
Grasses 132
Vines 9
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 Saint Francis, KS.
Soil in Saint Francis, KS
The soil mapped at the center of ZIP 67756 is Canyon — loam, well drained.
Map unit: Canyon-Kim loams, 5 to 30 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 67756; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Saint Francis, KS
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Saint Francis, KS (2 mi away); precipitation: Saint Francis, KS (2 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
4 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 67756
What planting zone is ZIP code 67756?
ZIP code 67756 (Saint Francis, KS) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).
When is the last frost in Saint Francis, KS?
The median last spring frost (32 °F) near 67756 is April 30; after May 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Saint Francis station.
When is the first frost in Saint Francis, KS?
The median first fall frost near 67756 is October 10, giving a median frost-free growing season of 160 days.
When should I plant tomatoes in 67756?
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 67756 get?
About 17.6 inches of precipitation a year and 20 inches of snowfall (NOAA 1991–2020 normals, Saint Francis station).
How hot do summers get in Saint Francis, KS?
The average high peaks at 92 °F in July, with about 61 days a year at 90 °F or more.
What kind of soil does 67756 have?
The USDA soil survey maps Canyon at the center of ZIP 67756: loam, well drained, pH about 7.9 (alkaline).
Did spring come early in Saint Francis, KS in 2026?
Spring leaf-out near 67756 came on Feb 21 in 2026, 28 days earlier than the 1991–2020 average (Mar 21), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Saint Francis, KS?
Intermediate onions: the longest day near 67756 is 15 h 00 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 67756 change?
Yes. The 2012 USDA map put 67756 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.