When to plant in Oakbrook, KY
USDA Zone 6bOakbrook, Kentucky frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
In zone 6b, Oakbrook gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.
Frost probability
CINCINNATI NORTHERN KY 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 Oakbrook’s own odds, recorded at CINCINNATI NORTHERN KY AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 17 | Apr 30 | Apr 14 | Oct 2 | Oct 15 | Oct 26 |
| 32°F | May 7 | Apr 18 | Apr 3 | Oct 12 | Oct 25 | Nov 5 |
| 28°F | Apr 23 | Apr 5 | Mar 21 | Oct 22 | Nov 3 | 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 Oakbrook, 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.
Oakbrook planting FAQ
When is the last spring frost in Oakbrook, KY?
Plan for the last spring frost in Oakbrook around April 18 (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 Oakbrook, KY?
The first fall frost in Oakbrook typically arrives around October 25 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Oakbrook in?
Oakbrook 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 Oakbrook?
Oakbrook has about 190 frost-free days — a moderate growing season — between the average last spring frost (April 18) and first fall frost (October 25).
When should I plant tomatoes in Oakbrook?
For Oakbrook, sow tomatoes indoors about February 21–March 7 and move the seedlings out around April 25, after the last spring frost.
Never miss a window in Oakbrook
An email when it’s time to start seeds, transplant, and sow — timed to Oakbrook’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Florence · 3 km
- Burlington · 5 km
- Erlanger · 8 km
- Independence · 12 km
- Francisville · 13 km
- Covington · 15 km
- Mack · 17 km
- Bridgetown · 18 km
Frost dates recorded at CINCINNATI NORTHERN KY AP, 5 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 Oakbrook, KY — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093814. Retrieved from https://blissgarden.com/kentucky/oakbrook.