Planting zone for 49663 — Manton, MI
ZIP code 49663 (Manton, Wexford County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 19 and the first fall frost October 1.
Where ZIP 49663 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 5a 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 5b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Manton, MI…
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 Manton, MI
A hard freeze (28 °F) usually ends around May 5 and returns around October 13.
From the NOAA station Cadillac, MI — 11 miles away, elevation 1,296 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 49663
Counted from the median last spring frost (May 19) and first fall frost (Oct 1) 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 49663 came on Apr 16 — 4 days earlier than the 1991–2020 average (Apr 20).
Apr 202026
Apr 16
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 5b in Michigan
564 plants native to the lower 48 states, recorded in Michigan, and rated by the USDA to survive −15 °F or colder — the bottom of zone 5b. Each links to its USDA PLANTS profile.
Trees 58
Shrubs 103
Wildflowers & perennials 212
Grasses 170
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 Manton, MI.
Soil in Manton, MI
The soil mapped at the center of ZIP 49663 is Croswell — moderately decomposed plant material, moderately well drained.
Map unit: Croswell sand, 0 to 6 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 49663; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Manton, MI
Average high and low, by month
Precipitation by month inches
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Cadillac, MI (11 mi away); precipitation: Cadillac, MI (11 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
3 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 49663
What planting zone is ZIP code 49663?
ZIP code 49663 (Manton, MI) is in USDA hardiness zone 5b on the 2023 map: the coldest night of an average winter reaches −15 to −10 °F (−26.1 to −23.3 °C).
When is the last frost in Manton, MI?
The median last spring frost (32 °F) near 49663 is May 19; after June 3 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Cadillac station.
When is the first frost in Manton, MI?
The median first fall frost near 49663 is October 1, giving a median frost-free growing season of 135 days.
When should I plant tomatoes in 49663?
Start tomato seeds indoors around Mar 24 – Apr 7 and set transplants outside around May 26 – Jun 9, one to three weeks after the median last frost.
How much rain and snow does 49663 get?
About 35.2 inches of precipitation a year (NOAA 1991–2020 normals, Cadillac station).
How hot do summers get in Manton, MI?
The average high peaks at 80 °F in July, with about 4 days a year at 90 °F or more.
What kind of soil does 49663 have?
The USDA soil survey maps Croswell at the center of ZIP 49663: moderately decomposed plant material, moderately well drained.
Did spring come early in Manton, MI in 2026?
Spring leaf-out near 49663 came on Apr 16 in 2026, 4 days earlier than the 1991–2020 average (Apr 20), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Manton, MI?
Long-day onions: the longest day near 49663 is 15 h 32 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 49663 change?
Yes. The 2012 USDA map put 49663 in zone 5a; the 2023 map puts it in zone 5b. The newer map uses 1991–2020 data and more weather stations.