Planting zone for 49822 — Deerton, MI
ZIP code 49822 (Deerton, Alger County) is in USDA zone 5b: the coldest winter night averages −15 to −10 °F. The median last spring frost is May 30 and the first fall frost September 27.
Where ZIP 49822 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 5b means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Deerton, 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 Deerton, MI
A hard freeze (28 °F) usually ends around May 16 and returns around October 9.
From the NOAA station Chatham Exp Farm 2, MI — 8 miles away, elevation 869 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 49822
Counted from the median last spring frost (May 30) and first fall frost (Sep 27) 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 49822 came on May 1 — about the same time as the 1991–2020 average (Apr 30).
Apr 302026
May 1
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 Deerton, MI.
Soil in Deerton, MI
The soil mapped at the center of ZIP 49822 is Carbondale — muck, very poorly drained.
Map unit: Carbondale, Lupton, and Tawas mucks, 0 to 1 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 49822; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Deerton, MI
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Chatham Exp Farm 2, MI (8 mi away); precipitation: Chatham Exp Farm 2, MI (8 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
6 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 49822
What planting zone is ZIP code 49822?
ZIP code 49822 (Deerton, 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 Deerton, MI?
The median last spring frost (32 °F) near 49822 is May 30; after June 21 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Chatham Exp Farm 2 station.
When is the first frost in Deerton, MI?
The median first fall frost near 49822 is September 27, giving a median frost-free growing season of 119 days.
When should I plant tomatoes in 49822?
Start tomato seeds indoors around Apr 4 – Apr 18 and set transplants outside around Jun 6 – Jun 20, one to three weeks after the median last frost.
How much rain and snow does 49822 get?
About 35.1 inches of precipitation a year and 164 inches of snowfall (NOAA 1991–2020 normals, Chatham Exp Farm 2 station).
How hot do summers get in Deerton, MI?
The average high peaks at 78 °F in July, with about 5 days a year at 90 °F or more.
What kind of soil does 49822 have?
The USDA soil survey maps Carbondale at the center of ZIP 49822: muck, very poorly drained, pH about 6.3 (slightly acidic).
Did spring come early in Deerton, MI in 2026?
Spring leaf-out near 49822 came on May 1 in 2026, about the same as the 1991–2020 average (Apr 30), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Deerton, MI?
Long-day onions: the longest day near 49822 is 15 h 49 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).