When to plant in Verona, WI
USDA Zone 5aEverything below — frost dates, hardiness zone, and what to plant when in Verona, Wisconsin — is derived from the closest NOAA station with complete climate normals.
In zone 5a, Verona gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average last spring frost in Verona is now 6 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
CHARMANY FARM · 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 Verona’s own odds, recorded at CHARMANY FARM.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 22 | May 7 | Apr 25 | Sep 20 | Oct 4 | Oct 17 |
| 32°F | May 11 | Apr 28 | Apr 14 | Sep 29 | Oct 15 | Oct 29 |
| 28°F | May 1 | Apr 17 | Apr 4 | Oct 10 | Oct 25 | Nov 6 |
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 Verona, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 23 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.
Verona planting FAQ
When is the last spring frost in Verona, WI?
On average, the last spring frost in Verona is around April 28 (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 Verona, WI?
The first fall frost in Verona typically arrives around October 15 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Verona in?
Verona is in USDA hardiness zone 5a. In zone 5a, winters are cold — pick cold-hardy varieties and protect tender crops.
How long is the growing season in Verona?
Verona has about 170 frost-free days — a moderate growing season — between the average last spring frost (April 28) and first fall frost (October 15).
When should I plant tomatoes in Verona?
For Verona, sow tomatoes indoors about March 3–March 17 and move the seedlings out around May 5, after the last spring frost.
Never miss a window in Verona
An email when it’s time to start seeds, transplant, and sow — timed to Verona’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at CHARMANY FARM, 9 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 Verona, WI — Frost Dates & Zone 5a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00471416. Retrieved from https://blissgarden.com/wisconsin/verona.