When to plant in Muskegon, MI
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Muskegon, Michigan — all computed from Muskegon's nearest NOAA weather station.
In zone 6b, Muskegon gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Muskegon is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
MUSKEGON CO AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Muskegon’s own odds, recorded at MUSKEGON CO AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 27 | May 12 | Apr 28 | Sep 24 | Oct 6 | Oct 19 |
| 32°F | May 18 | Apr 30 | Apr 17 | Oct 2 | Oct 19 | Nov 3 |
| 28°F | May 7 | Apr 19 | Apr 4 | Oct 17 | Nov 2 | Nov 19 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Muskegon, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 29 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Muskegon planting FAQ
When is the last spring frost in Muskegon, MI?
On average, the last spring frost in Muskegon is around April 30 (50% probability at 32°F, from 1991–2020 NOAA normals). Wait until after this date to set out tender plants like tomatoes and peppers.
When is the first fall frost in Muskegon, MI?
In Muskegon, the first 32°F freeze of fall lands around October 19 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Muskegon in?
Muskegon is in USDA hardiness zone 6b. In zone 6b, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Muskegon?
Muskegon has about 172 frost-free days — a moderate growing season — between the average last spring frost (April 30) and first fall frost (October 19).
When should I plant tomatoes in Muskegon?
For Muskegon, sow tomatoes indoors about March 5–March 19 and move the seedlings out around May 7, after the last spring frost.
Never miss a window in Muskegon
An email when it’s time to start seeds, transplant, and sow — timed to Muskegon’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Norton Shores · 7 km
- Grand Haven · 19 km
- Allendale · 37 km
- Walker · 48 km
- Jenison · 50 km
- Comstock Park · 51 km
- Holland · 53 km
- Grandville · 55 km
Frost dates recorded at MUSKEGON CO AP, 6 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Muskegon, MI — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014840. Retrieved from https://blissgarden.com/michigan/muskegon.