Planting zone for 43946 — Sardis, OH
ZIP code 43946 (Sardis, Monroe County) is in USDA zone 6b: the coldest winter night averages −5 to 0 °F. The median last spring frost is April 26 and the first fall frost October 26.
Where ZIP 43946 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 6a 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 6b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Sardis, OH…
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 Sardis, OH
A hard freeze (28 °F) usually ends around April 13 and returns around November 3.
From the NOAA station Hannibal Locks & Dam, OH — 6 miles away, elevation 620 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 43946
Counted from the median last spring frost (Apr 26) and first fall frost (Oct 26) 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 43946 came on Mar 10 — 18 days earlier than the 1991–2020 average (Mar 28).
Mar 282026
Mar 10
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 Ohio
570 plants native to the lower 48 states, recorded in Ohio, and rated by the USDA to survive −5 °F or colder — the bottom of zone 6b. Each links to its USDA PLANTS profile.
Trees 71
Shrubs 109
Wildflowers & perennials 203
Grasses 165
Vines 10
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 Sardis, OH.
Soil in Sardis, OH
The soil mapped at the center of ZIP 43946 is Gilpin — silt loam, well drained.
Map unit: Gilpin-Upshur complex, 18 to 35 percent slopes, moderately eroded.
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 43946; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Sardis, OH
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Hannibal Locks & Dam, OH (6 mi away); precipitation: Hannibal Locks & Dam, OH (6 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 6b.
Questions about 43946
What planting zone is ZIP code 43946?
ZIP code 43946 (Sardis, OH) 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 Sardis, OH?
The median last spring frost (32 °F) near 43946 is April 26; after May 13 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Hannibal Locks & Dam station.
When is the first frost in Sardis, OH?
The median first fall frost near 43946 is October 26, giving a median frost-free growing season of 182 days.
When should I plant tomatoes in 43946?
Start tomato seeds indoors around Mar 1 – Mar 15 and set transplants outside around May 3 – May 17, one to three weeks after the median last frost.
How much rain and snow does 43946 get?
About 45 inches of precipitation a year (NOAA 1991–2020 normals, Hannibal Locks & Dam station).
How hot do summers get in Sardis, OH?
The average high peaks at 83 °F in July, with about 12 days a year at 90 °F or more.
What kind of soil does 43946 have?
The USDA soil survey maps Gilpin at the center of ZIP 43946: silt loam, well drained, pH about 4.5 (strongly acidic).
Did spring come early in Sardis, OH in 2026?
Spring leaf-out near 43946 came on Mar 10 in 2026, 18 days earlier than the 1991–2020 average (Mar 28), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Sardis, OH?
Intermediate onions: the longest day near 43946 is 14 h 59 min, so day-neutral types bulb best; long-day varieties may not bulb fully.
Did the zone for 43946 change?
Yes. The 2012 USDA map put 43946 in zone 6a; the 2023 map puts it in zone 6b. The newer map uses 1991–2020 data and more weather stations.