Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated

Planting zone for 49684 — Traverse City, MI

ZIP code 49684 (Traverse City, Grand Traverse County) is in USDA zone 6a: the coldest winter night averages −10 to −5 °F. The median last spring frost is May 9 and the first fall frost October 15.

Where ZIP 49684 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not 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.

Zone6a−10 to −5 °F
Coldest night−23.3 to −20.6 °C
Last frostMay 9
First frostOct 15
2012 zone5b

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 Service

Loading the forecast for Traverse City, 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 Traverse City, MI

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMay 9median — 50% chance of a later frost
Safe for tender plantsMay 23only 10% chance of frost after
First fall frostOctober 15median — 10% chance by Oct 1
Growing season156 daysfrost-free, median

A hard freeze (28 °F) usually ends around April 28 and returns around October 30.

From the NOAA station Traverse City Munson, MI — 2 miles away, elevation 637 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 49684

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 28 – Apr 11
SpinachSow outdoors · Mar 28 – Apr 18
Broccoli, cabbageStart indoors · Feb 28 – Mar 14
Broccoli, cabbageTransplant · Apr 18 – May 2
Onion setsPlant outdoors · Apr 11 – Apr 25
PotatoesPlant outdoors · Apr 18 – May 2
LettuceSow outdoors · Apr 11 – Apr 25
Carrots, beetsSow outdoors · Apr 18 – May 2
TomatoesStart indoors · Mar 14 – Mar 28
TomatoesTransplant · May 16 – May 30
Peppers, eggplantStart indoors · Feb 28 – Mar 14
Peppers, eggplantTransplant · May 23 – Jun 6
BeansSow outdoors · May 16 – May 30
Sweet cornSow outdoors · May 16 – May 30
Cucumbers, squashSow outdoors · May 16 – May 30
Fall lettuce, spinachSow outdoors · Aug 20 – Sep 3
GarlicPlant cloves · Oct 1 – Nov 5
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 9) and first fall frost (Oct 15) 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 49684 came on Apr 18 — about the same time as the 1991–2020 average (Apr 19).

JanFebMarAprMayJun

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 Traverse City, MI.

Soil in Traverse City, MI

The soil mapped at the center of ZIP 49684 is Emmet — gravelly sandy loam, well drained.

TextureGravelly sandy loamdrains and warms fast; dries out and needs more feeding
pH6.1slightly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter2%moderate
Hydrologic groupBwater soaks in moderately
Farmland classFarmland of local importanceUSDA classification

Map unit: Emmet gravelly sandy loam, 6 to 12 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 49684; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Traverse City, MI

Summer high79 °Faverage high, July
Winter low14 °Faverage low, February
Hot days6days a year at 90 °F or more
Freezing nights154nights a year at 32 °F or less
Growing degree days2,173base 50 °F — the season’s usable heat
Longest day15 h 35 mindaylight on June 21
Shortest day8 h 48 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation36.2 inper year, rain and melted snow
Snowfall101 inper year; 103 days with snow on the ground

Average high and low, by month

0°10°20°30°40°50°60°70°80°90°32 °FJanuary: average high 28 °F, low 15 °F 28°15° JanFebruary: average high 30 °F, low 14 °F 30°14° FebMarch: average high 39 °F, low 21 °F 39°21° MarApril: average high 52 °F, low 31 °F 52°31° AprMay: average high 65 °F, low 42 °F 65°42° MayJune: average high 75 °F, low 53 °F 75°53° JunJuly: average high 79 °F, low 58 °F 79°58° JulAugust: average high 78 °F, low 57 °F 78°57° AugSeptember: average high 71 °F, low 50 °F 71°50° SepOctober: average high 57 °F, low 39 °F 57°39° OctNovember: average high 44 °F, low 30 °F 44°30° NovDecember: average high 33 °F, low 22 °F 33°22° Dec

Precipitation by month inches · ❄ = snowfall

0″1″2″3″4″5″January: 2.71 in precipitation, 32.3 in snowfall 2.7❄32 JanFebruary: 2.03 in precipitation, 21.4 in snowfall 2.0❄21 FebMarch: 2.13 in precipitation, 12.3 in snowfall 2.1❄12 MarApril: 3.44 in precipitation, 4.7 in snowfall 3.4❄5 AprMay: 3.45 in precipitation 3.5 MayJune: 2.94 in precipitation 2.9 JunJuly: 2.76 in precipitation 2.8 JulAugust: 3.19 in precipitation 3.2 AugSeptember: 3.61 in precipitation 3.6 SepOctober: 4.08 in precipitation, 0.1 in snowfall 4.1 OctNovember: 3.19 in precipitation, 5.6 in snowfall 3.2❄6 NovDecember: 2.67 in precipitation, 24.6 in snowfall 2.7❄25 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Traverse City Munson, MI (2 mi away); precipitation: Traverse City Munson, MI (2 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.

All 4 ZIP codes in Traverse City → · Michigan planting zones →

Questions about 49684

What planting zone is ZIP code 49684?

ZIP code 49684 (Traverse City, 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 Traverse City, MI?

The median last spring frost (32 °F) near 49684 is May 9; after May 23 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Traverse City Munson station.

When is the first frost in Traverse City, MI?

The median first fall frost near 49684 is October 15, giving a median frost-free growing season of 156 days.

When should I plant tomatoes in 49684?

Start tomato seeds indoors around Mar 14 – Mar 28 and set transplants outside around May 16 – May 30, one to three weeks after the median last frost.

How much rain and snow does 49684 get?

About 36.2 inches of precipitation a year and 101 inches of snowfall (NOAA 1991–2020 normals, Traverse City Munson station).

How hot do summers get in Traverse City, MI?

The average high peaks at 79 °F in July, with about 6 days a year at 90 °F or more.

What kind of soil does 49684 have?

The USDA soil survey maps Emmet at the center of ZIP 49684: gravelly sandy loam, well drained, pH about 6.1 (slightly acidic).

Did spring come early in Traverse City, MI in 2026?

Spring leaf-out near 49684 came on Apr 18 in 2026, about the same as the 1991–2020 average (Apr 19), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Traverse City, MI?

Long-day onions: the longest day near 49684 is 15 h 35 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 49684 change?

Yes. The 2012 USDA map put 49684 in zone 5b; the 2023 map puts it in zone 6a. The newer map uses 1991–2020 data and more weather stations.