Planting zone for 49319 — Cedar Springs, MI
ZIP code 49319 (Cedar Springs, Kent County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 14 and the first fall frost September 29.
Where ZIP 49319 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 5b 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 6a means →
Frost forecast — next 7 nights
live from the National Weather ServiceLoading the forecast for Cedar Springs, 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 Cedar Springs, MI
A hard freeze (28 °F) usually ends around May 2 and returns around October 8.
From the NOAA station Kent City 2 Sw, MI — 12 miles away, elevation 840 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 49319
Counted from the median last spring frost (May 14) and first fall frost (Sep 29) 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 49319 came on Mar 31 — 14 days earlier than the 1991–2020 average (Apr 14).
Apr 142026
Mar 31
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 6a in Michigan
580 plants native to the lower 48 states, recorded in Michigan, and rated by the USDA to survive −10 °F or colder — the bottom of zone 6a. Each links to its USDA PLANTS profile.
Trees 58
Shrubs 105
Wildflowers & perennials 220
Grasses 174
Vines 8
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 Cedar Springs, MI.
Soil in Cedar Springs, MI
The soil mapped at the center of ZIP 49319 is Chelsea — loamy fine sand, excessively drained.
Map unit: Chelsea loamy fine 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 49319; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Cedar Springs, MI
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Kent City 2 Sw, MI (12 mi away); precipitation: Kent City 2 Sw, MI (12 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 49319
What planting zone is ZIP code 49319?
ZIP code 49319 (Cedar Springs, MI) is in USDA hardiness zone 6a on the 2023 map: the coldest night of an average winter reaches −10 to −5 °F (−23.3 to −20.6 °C).
When is the last frost in Cedar Springs, MI?
The median last spring frost (32 °F) near 49319 is May 14; after May 31 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Kent City 2 Sw station.
When is the first frost in Cedar Springs, MI?
The median first fall frost near 49319 is September 29, giving a median frost-free growing season of 135 days.
When should I plant tomatoes in 49319?
Start tomato seeds indoors around Mar 19 – Apr 2 and set transplants outside around May 21 – Jun 4, one to three weeks after the median last frost.
How much rain and snow does 49319 get?
About 38.5 inches of precipitation a year and 48 inches of snowfall (NOAA 1991–2020 normals, Kent City 2 Sw station).
How hot do summers get in Cedar Springs, MI?
The average high peaks at 83 °F in July, with about 16 days a year at 90 °F or more.
What kind of soil does 49319 have?
The USDA soil survey maps Chelsea at the center of ZIP 49319: loamy fine sand, excessively drained, pH about 5.7 (moderately acidic).
Did spring come early in Cedar Springs, MI in 2026?
Spring leaf-out near 49319 came on Mar 31 in 2026, 14 days earlier than the 1991–2020 average (Apr 14), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Cedar Springs, MI?
Long-day onions: the longest day near 49319 is 15 h 23 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 49319 change?
Yes. The 2012 USDA map put 49319 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.