Planting zone for 65656 — Galena, MO
ZIP code 65656 (Galena, Stone County) is in USDA zone 7a: the coldest winter night averages 0 to 5 °F. The median last spring frost is April 16 and the first fall frost October 21.
Where ZIP 65656 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 6b 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 7a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Galena, MO…
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 Galena, MO
A hard freeze (28 °F) usually ends around April 4 and returns around November 1.
From the NOAA station Galena, MO — within 1 mile, elevation 1,027 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 65656
Counted from the median last spring frost (Apr 16) and first fall frost (Oct 21) 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 65656 came on Feb 23 — 11 days earlier than the 1991–2020 average (Mar 6).
Mar 62026
Feb 23
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 7a in Missouri
540 plants native to the lower 48 states, recorded in Missouri, and rated by the USDA to survive 0 °F or colder — the bottom of zone 7a. Each links to its USDA PLANTS profile.
Trees 72
Shrubs 85
Wildflowers & perennials 195
Grasses 163
Vines 14
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 Galena, MO.
Soil in Galena, MO
The soil mapped at the center of ZIP 65656 is Pomme — silt loam, well drained.
Map unit: Pomme silt loam, 2 to 5 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 65656; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Galena, MO
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Galena, MO (within 1 mile); precipitation: Galena, MO (within 1 mile). 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 65656
What planting zone is ZIP code 65656?
ZIP code 65656 (Galena, MO) is in USDA hardiness zone 7a on the 2023 map: the coldest night of an average winter reaches 0 to 5 °F (−17.8 to −15 °C).
When is the last frost in Galena, MO?
The median last spring frost (32 °F) near 65656 is April 16; after May 4 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Galena station.
When is the first frost in Galena, MO?
The median first fall frost near 65656 is October 21, giving a median frost-free growing season of 187 days.
When should I plant tomatoes in 65656?
Start tomato seeds indoors around Feb 19 – Mar 5 and set transplants outside around Apr 23 – May 7, one to three weeks after the median last frost.
How much rain and snow does 65656 get?
About 46.6 inches of precipitation a year and 7 inches of snowfall (NOAA 1991–2020 normals, Galena station).
How hot do summers get in Galena, MO?
The average high peaks at 89 °F in July, with about 47 days a year at 90 °F or more.
What kind of soil does 65656 have?
The USDA soil survey maps Pomme at the center of ZIP 65656: silt loam, well drained, pH about 5.8 (moderately acidic).
Did spring come early in Galena, MO in 2026?
Spring leaf-out near 65656 came on Feb 23 in 2026, 11 days earlier than the 1991–2020 average (Mar 6), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Galena, MO?
Intermediate onions: the longest day near 65656 is 14 h 41 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 65656 change?
Yes. The 2012 USDA map put 65656 in zone 6b; the 2023 map puts it in zone 7a. The newer map uses 1991–2020 data and more weather stations.