When to plant in Kentwood, MI
USDA Zone 6aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Kentwood, Michigan — all computed from Kentwood's nearest NOAA weather station.
In zone 6a, Kentwood gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
NWSFO GRAND RAPIDS · 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 Kentwood’s own odds, recorded at NWSFO GRAND RAPIDS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 27 | May 11 | Apr 27 | Sep 21 | Oct 3 | Oct 14 |
| 32°F | May 17 | Apr 30 | Apr 16 | Oct 1 | Oct 14 | Oct 28 |
| 28°F | May 5 | Apr 18 | Apr 4 | Oct 11 | Oct 26 | Nov 11 |
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 Kentwood, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 6 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.
Kentwood planting FAQ
When is the last spring frost in Kentwood, MI?
On average, the last spring frost in Kentwood 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 Kentwood, MI?
Expect Kentwood's first fall frost near October 14 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Kentwood in?
Kentwood is in USDA hardiness zone 6a. In zone 6a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Kentwood?
Kentwood has about 167 frost-free days — a moderate growing season — between the average last spring frost (April 30) and first fall frost (October 14).
When should I plant tomatoes in Kentwood?
For Kentwood, 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 Kentwood
An email when it’s time to start seeds, transplant, and sow — timed to Kentwood’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- East Grand Rapids · 7 km
- Cutlerville · 8 km
- Wyoming · 9 km
- Grand Rapids · 10 km
- Forest Hills · 12 km
- Grandville · 13 km
- Northview · 17 km
- Walker · 18 km
Frost dates recorded at NWSFO GRAND RAPIDS, 4 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 Kentwood, MI — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00206013. Retrieved from https://blissgarden.com/michigan/kentwood.