When to plant in Liberal, KS
USDA Zone 6bEverything below — frost dates, hardiness zone, and what to plant when in Liberal, Kansas — is derived from the closest NOAA station with complete climate normals.
Zone 6b means Liberal sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
The average last spring frost in Liberal is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
LIBERAL · 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 Liberal’s own odds, recorded at LIBERAL.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 11 | Apr 30 | Apr 16 | Sep 30 | Oct 15 | Oct 26 |
| 32°F | May 3 | Apr 20 | Apr 4 | Oct 8 | Oct 24 | Nov 4 |
| 28°F | Apr 25 | Apr 9 | Mar 24 | Oct 20 | Nov 1 | Nov 13 |
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 Liberal, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 33 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.
Liberal planting FAQ
When is the last spring frost in Liberal, KS?
On average, the last spring frost in Liberal is around April 20 (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 Liberal, KS?
Expect Liberal's first fall frost near October 24 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.
What hardiness zone is Liberal in?
Liberal 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 Liberal?
There are roughly 187 frost-free days in Liberal (a moderate growing season), running from the average last frost around April 20 to the first fall frost near October 24.
When should I plant tomatoes in Liberal?
In Liberal, start tomato seeds indoors around February 23–March 9, then transplant seedlings outdoors around April 27 once the danger of frost has passed.
Never miss a window in Liberal
An email when it’s time to start seeds, transplant, and sow — timed to Liberal’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Guymon · 63 km
- Garden City · 104 km
- Dodge City · 113 km
- Woodward · 152 km
- Borger · 160 km
- Dumas · 161 km
- Pampa · 167 km
- Amarillo · 221 km
Frost dates recorded at LIBERAL, 3 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 Liberal, KS — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00144695. Retrieved from https://blissgarden.com/kansas/liberal.