When to plant in Henderson, KY
USDA Zone 7aHenderson, Kentucky frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 7a means many perennials and even some tender shrubs overwinter in Henderson, while your frost dates still decide when annuals go out.
Frost probability
HENDERSON STATE POLICE · 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 Henderson’s own odds, recorded at HENDERSON STATE POLICE.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 3 | Apr 20 | Apr 6 | Oct 3 | Oct 16 | Oct 28 |
| 32°F | Apr 24 | Apr 9 | Mar 26 | Oct 12 | Oct 26 | Nov 6 |
| 28°F | Apr 15 | Mar 31 | Mar 11 | Oct 21 | Nov 4 | Nov 20 |
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 Henderson, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 14 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.
Henderson planting FAQ
When is the last spring frost in Henderson, KY?
On average, the last spring frost in Henderson is around April 9 (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 Henderson, KY?
In Henderson, the first 32°F freeze of fall lands around October 26 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Henderson in?
Henderson is in USDA hardiness zone 7a. In zone 7a, winters are moderate — most common vegetables grow well in season.
How long is the growing season in Henderson?
There are roughly 200 frost-free days in Henderson (a moderate growing season), running from the average last frost around April 9 to the first fall frost near October 26.
When should I plant tomatoes in Henderson?
In Henderson, start tomato seeds indoors around February 12–February 26, then transplant seedlings outdoors around April 16 once the danger of frost has passed.
Never miss a window in Henderson
An email when it’s time to start seeds, transplant, and sow — timed to Henderson’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Evansville · 17 km
- Owensboro · 42 km
- Madisonville · 56 km
- Jasper · 83 km
- Vincennes · 93 km
- Washington · 98 km
- Hopkinsville · 112 km
- Marion · 120 km
Frost dates recorded at HENDERSON STATE POLICE, 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 Henderson, KY — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00153768. Retrieved from https://blissgarden.com/kentucky/henderson.