When to plant in Weston, WI
USDA Zone 4bEverything below — frost dates, hardiness zone, and what to plant when in Weston, Wisconsin — is derived from the closest NOAA station with complete climate normals.
Zone 4b is cold — in Weston, most perennials must be fully hardy, and your frost dates set a tight window for tender annual vegetables.
Frost probability
WAUSAU DWTN 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 Weston’s own odds, recorded at WAUSAU DWTN AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 31 | May 19 | May 4 | Sep 12 | Sep 25 | Oct 7 |
| 32°F | May 21 | May 6 | Apr 24 | Sep 21 | Oct 4 | Oct 18 |
| 28°F | May 10 | Apr 26 | Apr 12 | Oct 1 | Oct 16 | Oct 31 |
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 Weston, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 33 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.
Weston planting FAQ
When is the last spring frost in Weston, WI?
Weston's average last spring frost falls near May 6 — 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 Weston, WI?
Expect Weston's first fall frost near October 4 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Weston in?
Weston is in USDA hardiness zone 4b. In zone 4b, winters are cold — pick cold-hardy varieties and protect tender crops.
How long is the growing season in Weston?
There are roughly 151 frost-free days in Weston (a moderate growing season), running from the average last frost around May 6 to the first fall frost near October 4.
When should I plant tomatoes in Weston?
In Weston, start tomato seeds indoors around March 11–March 25, then transplant seedlings outdoors around May 13 once the danger of frost has passed.
Never miss a window in Weston
An email when it’s time to start seeds, transplant, and sow — timed to Weston’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Wausau · 11 km
- Stevens Point · 41 km
- Plover · 48 km
- Marshfield · 55 km
- Wisconsin Rapids · 60 km
- Greenville · 104 km
- Fox Crossing · 113 km
- Appleton · 114 km
Frost dates recorded at WAUSAU DWTN AP, 7 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 Weston, WI — Frost Dates & Zone 4b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00014897. Retrieved from https://blissgarden.com/wisconsin/weston.