When to plant in Hobart, IN
USDA Zone 6aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Hobart, Indiana — all computed from Hobart's nearest NOAA weather station.
Heads up: the nearest complete-normals station is about 20 km from Hobart, 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, Hobart gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
The average first fall frost in Hobart is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
VALPARAISO WTR WKS · 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 Hobart’s own odds, recorded at VALPARAISO WTR WKS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 22 | May 4 | Apr 20 | Sep 30 | Oct 13 | Oct 26 |
| 32°F | May 6 | Apr 22 | Apr 7 | Oct 12 | Oct 25 | Nov 6 |
| 28°F | Apr 24 | Apr 9 | Mar 25 | Oct 24 | Nov 5 | Nov 21 |
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 Hobart, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 24 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.
Hobart planting FAQ
When is the last spring frost in Hobart, IN?
Plan for the last spring frost in Hobart around April 22 (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 Hobart, IN?
Expect Hobart's first fall frost near October 25 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Hobart in?
Hobart 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 Hobart?
Hobart has about 186 frost-free days — a moderate growing season — between the average last spring frost (April 22) and first fall frost (October 25).
When should I plant tomatoes in Hobart?
For Hobart, sow tomatoes indoors about February 25–March 11 and move the seedlings out around April 29, after the last spring frost.
Never miss a window in Hobart
An email when it’s time to start seeds, transplant, and sow — timed to Hobart’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Merrillville · 6 km
- Lake Station · 7 km
- Gary · 10 km
- Portage · 12 km
- Griffith · 12 km
- Crown Point · 13 km
- Schererville · 14 km
- Highland · 16 km
Frost dates recorded at VALPARAISO WTR WKS, 20 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 Hobart, IN — Frost Dates & Zone 6a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00128999. Retrieved from https://blissgarden.com/indiana/hobart.