When to plant in Peru, IN
USDA Zone 6aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Peru, Indiana — all computed from Peru's nearest NOAA weather station.
Heads up: the nearest complete-normals station is about 21 km from Peru, so your yard's frost dates can differ — a low spot or a paved city center can shift them by a week. In zone 6a, Peru gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Peru is now 12 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
WABASH · 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 Peru’s own odds, recorded at WABASH.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 20 | May 4 | Apr 20 | Sep 27 | Oct 11 | Oct 24 |
| 32°F | May 9 | Apr 23 | Apr 8 | Oct 6 | Oct 21 | Nov 4 |
| 28°F | Apr 29 | Apr 12 | Mar 27 | Oct 19 | Nov 1 | Nov 16 |
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 Peru, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 32 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.
Peru planting FAQ
When is the last spring frost in Peru, IN?
Plan for the last spring frost in Peru around April 23 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Peru, IN?
Expect Peru's first fall frost near October 21 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Peru in?
Peru 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 Peru?
Peru has about 181 frost-free days — a moderate growing season — between the average last spring frost (April 23) and first fall frost (October 21).
When should I plant tomatoes in Peru?
For Peru, sow tomatoes indoors about February 26–March 12 and move the seedlings out around April 30, after the last spring frost.
Never miss a window in Peru
An email when it’s time to start seeds, transplant, and sow — timed to Peru’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Wabash · 21 km
- Logansport · 24 km
- Kokomo · 33 km
- Marion · 42 km
- Huntington · 49 km
- Warsaw · 57 km
- Frankfort · 66 km
- Plymouth · 69 km
Frost dates recorded at WABASH, 21 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 Peru, IN — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00129138. Retrieved from https://blissgarden.com/indiana/peru.