Planting zone for 48627 — Higgins Lake, MI
ZIP code 48627 (Higgins Lake, Roscommon County) is in USDA zone 5a: the coldest winter night averages −20 to −15 °F. The median last spring frost is May 19 and the first fall frost September 23.
Where ZIP 48627 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 4b 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 5a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Higgins Lake, 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 Higgins Lake, MI
A hard freeze (28 °F) usually ends around May 4 and returns around October 5.
From the NOAA station Houghton Lk Roscommon Airport, MI — 8 miles away, elevation 1,152 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 48627
Counted from the median last spring frost (May 19) and first fall frost (Sep 23) 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 48627 came on Apr 17 — 5 days earlier than the 1991–2020 average (Apr 22).
Apr 222026
Apr 17
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 5a in Michigan
551 plants native to the lower 48 states, recorded in Michigan, and rated by the USDA to survive −20 °F or colder — the bottom of zone 5a. Each links to its USDA PLANTS profile.
Trees 54
Shrubs 103
Wildflowers & perennials 207
Grasses 166
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 Higgins Lake, MI.
Soil in Higgins Lake, MI
The soil mapped at the center of ZIP 48627 is Graycalm — sand, somewhat excessively drained.
Map unit: Graycalm 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 48627; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Higgins Lake, MI
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Houghton Lk Roscommon Airport, MI (8 mi away); precipitation: Houghton Lk Roscommon Airport, MI (8 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
All 8 nearest ZIP codes share zone 5a.
Questions about 48627
What planting zone is ZIP code 48627?
ZIP code 48627 (Higgins Lake, MI) is in USDA hardiness zone 5a on the 2023 map: the coldest night of an average winter reaches −20 to −15 °F (−28.9 to −26.1 °C).
When is the last frost in Higgins Lake, MI?
The median last spring frost (32 °F) near 48627 is May 19; after June 3 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Houghton Lk Roscommon Airport station.
When is the first frost in Higgins Lake, MI?
The median first fall frost near 48627 is September 23, giving a median frost-free growing season of 125 days.
When should I plant tomatoes in 48627?
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 48627 get?
About 29.6 inches of precipitation a year and 66 inches of snowfall (NOAA 1991–2020 normals, Houghton Lk Roscommon Airport station).
How hot do summers get in Higgins Lake, MI?
The average high peaks at 81 °F in July, with about 4 days a year at 90 °F or more.
What kind of soil does 48627 have?
The USDA soil survey maps Graycalm at the center of ZIP 48627: sand, somewhat excessively drained, pH about 4.1 (strongly acidic).
Did spring come early in Higgins Lake, MI in 2026?
Spring leaf-out near 48627 came on Apr 17 in 2026, 5 days earlier than the 1991–2020 average (Apr 22), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Higgins Lake, MI?
Long-day onions: the longest day near 48627 is 15 h 33 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 48627 change?
Yes. The 2012 USDA map put 48627 in zone 4b; the 2023 map puts it in zone 5a. The newer map uses 1991–2020 data and more weather stations.