When to plant in Somerset, KY
USDA Zone 7aHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Somerset, Kentucky — all computed from Somerset's nearest NOAA weather station.
Zone 7a means many perennials and even some tender shrubs overwinter in Somerset, while your frost dates still decide when annuals go out.
The average last spring frost in Somerset is now 15 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
SOMERSET 2 N · 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 Somerset’s own odds, recorded at SOMERSET 2 N.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 7 | Apr 19 | Apr 2 | Oct 6 | Oct 20 | Nov 1 |
| 32°F | Apr 25 | Apr 5 | Mar 21 | Oct 17 | Oct 30 | Nov 13 |
| 28°F | Apr 12 | Mar 25 | Mar 6 | Oct 28 | Nov 9 | Nov 29 |
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 Somerset, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 38 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.
Somerset planting FAQ
When is the last spring frost in Somerset, KY?
Somerset's average last spring frost falls near April 5 — 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 Somerset, KY?
The first fall frost in Somerset typically arrives around October 30 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Somerset in?
Somerset 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 Somerset?
There are roughly 208 frost-free days in Somerset (a moderate growing season), running from the average last frost around April 5 to the first fall frost near October 30.
When should I plant tomatoes in Somerset?
In Somerset, start tomato seeds indoors around February 8–February 22, then transplant seedlings outdoors around April 12 once the danger of frost has passed.
Never miss a window in Somerset
An email when it’s time to start seeds, transplant, and sow — timed to Somerset’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Berea · 62 km
- Danville · 63 km
- Campbellsville · 72 km
- Richmond · 76 km
- Nicholasville · 90 km
- Lexington-Fayette urban county · 107 km
- Versailles · 108 km
- Winchester · 108 km
Frost dates recorded at SOMERSET 2 N, 4 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 Somerset, KY — Frost Dates & Zone 7a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00157510. Retrieved from https://blissgarden.com/kentucky/somerset.