When to plant in Florence, KY
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Florence, Kentucky — is derived from the closest NOAA station with complete climate normals.
Zone 6b means Florence sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
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 Florence’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 Florence, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 18 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.
Florence planting FAQ
When is the last spring frost in Florence, KY?
Florence's average last spring frost falls near April 18 — 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 Florence, KY?
Expect Florence'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 Florence in?
Florence 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 Florence?
There are roughly 190 frost-free days in Florence (a moderate growing season), running from the average last frost around April 18 to the first fall frost near October 25.
When should I plant tomatoes in Florence?
In Florence, start tomato seeds indoors around February 21–March 7, then transplant seedlings outdoors around April 25 once the danger of frost has passed.
Never miss a window in Florence
An email when it’s time to start seeds, transplant, and sow — timed to Florence’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Oakbrook · 3 km
- Erlanger · 7 km
- Burlington · 7 km
- Independence · 10 km
- Covington · 12 km
- Francisville · 14 km
- Newport · 17 km
- Mack · 18 km
Frost dates recorded at CINCINNATI NORTHERN KY AP, 6 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 Florence, KY — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00093814. Retrieved from https://blissgarden.com/kentucky/florence.