Planting zone for 65648 — Fair Grove, MO
ZIP code 65648 (Fair Grove, Greene County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 13 and the first fall frost October 24.
Where ZIP 65648 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 6b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Fair Grove, 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 Fair Grove, MO
A hard freeze (28 °F) usually ends around April 1 and returns around November 2.
From the NOAA station Marshfield 4 Wsw, MO — 12 miles away, elevation 1,414 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 65648
Counted from the median last spring frost (Apr 13) and first fall frost (Oct 24) 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 65648 came on Feb 24 — 15 days earlier than the 1991–2020 average (Mar 11).
Mar 112026
Feb 24
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 6b in Missouri
525 plants native to the lower 48 states, recorded in Missouri, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.
Trees 70
Shrubs 83
Wildflowers & perennials 192
Grasses 157
Vines 12
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 Fair Grove, MO.
Soil in Fair Grove, MO
The soil mapped at the center of ZIP 65648 is Creldon — silt loam, moderately well drained.
Map unit: Creldon silt loam, 1 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 65648; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Fair Grove, MO
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Marshfield 4 Wsw, MO (12 mi away); precipitation: Willard 5.8 Nne, MO (11 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 65648
What planting zone is ZIP code 65648?
ZIP code 65648 (Fair Grove, MO) is in USDA hardiness zone 6b on the 2023 map: the coldest night of an average winter reaches −5 to 0 °F (−20.6 to −17.8 °C).
When is the last frost in Fair Grove, MO?
The median last spring frost (32 °F) near 65648 is April 13; after April 29 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Marshfield 4 Wsw station.
When is the first frost in Fair Grove, MO?
The median first fall frost near 65648 is October 24, giving a median frost-free growing season of 191 days.
When should I plant tomatoes in 65648?
Start tomato seeds indoors around Feb 16 – Mar 2 and set transplants outside around Apr 20 – May 4, one to three weeks after the median last frost.
How much rain and snow does 65648 get?
About 46.4 inches of precipitation a year (NOAA 1991–2020 normals, Willard 5.8 Nne station).
How hot do summers get in Fair Grove, MO?
The average high peaks at 88 °F in July, with about 33 days a year at 90 °F or more.
What kind of soil does 65648 have?
The USDA soil survey maps Creldon at the center of ZIP 65648: silt loam, moderately well drained, pH about 5.6 (moderately acidic).
Did spring come early in Fair Grove, MO in 2026?
Spring leaf-out near 65648 came on Feb 24 in 2026, 15 days earlier than the 1991–2020 average (Mar 11), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Fair Grove, MO?
Intermediate onions: the longest day near 65648 is 14 h 45 min, so day-neutral types bulb best; long-day varieties may not bulb fully.