When to plant in Berkley, MI
USDA Zone 6bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Berkley, Michigan — all computed from Berkley's nearest NOAA weather station.
Zone 6b means Berkley sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
FARMINGTON · 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 Berkley’s own odds, recorded at FARMINGTON.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 27 | May 13 | Apr 30 | Sep 23 | Oct 4 | Oct 17 |
| 32°F | May 16 | May 1 | Apr 19 | Oct 1 | Oct 17 | Oct 29 |
| 28°F | May 5 | Apr 22 | Apr 8 | Oct 15 | Oct 27 | Nov 8 |
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 Berkley, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 17 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.
Berkley planting FAQ
When is the last spring frost in Berkley, MI?
Berkley's average last spring frost falls near May 1 — the 50% mark at 32°F in the 1991–2020 normals. Hold tender transplants until the risk has passed, then plant out.
When is the first fall frost in Berkley, MI?
Expect Berkley's first fall frost near October 17 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Berkley in?
Berkley 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 Berkley?
There are roughly 169 frost-free days in Berkley (a moderate growing season), running from the average last frost around May 1 to the first fall frost near October 17.
When should I plant tomatoes in Berkley?
In Berkley, start tomato seeds indoors around March 6–March 20, then transplant seedlings outdoors around May 8 once the danger of frost has passed.
Never miss a window in Berkley
An email when it’s time to start seeds, transplant, and sow — timed to Berkley’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Royal Oak · 3 km
- Oak Park · 4 km
- Clawson · 5 km
- Beverly Hills · 5 km
- Birmingham · 6 km
- Ferndale · 6 km
- Southfield · 7 km
- Madison Heights · 7 km
Frost dates recorded at FARMINGTON, 15 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 Berkley, MI — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00202691. Retrieved from https://blissgarden.com/michigan/berkley.