When to plant in Shawnee, KS
USDA Zone 6bShawnee, Kansas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
Zone 6b means Shawnee sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
Frost probability
BONNER SPRINGS · 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 Shawnee’s own odds, recorded at BONNER SPRINGS.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 9 | Apr 28 | Apr 12 | Sep 29 | Oct 13 | Oct 24 |
| 32°F | May 1 | Apr 16 | Apr 1 | Oct 9 | Oct 22 | Nov 2 |
| 28°F | Apr 22 | Apr 5 | Mar 19 | Oct 17 | Oct 31 | Nov 14 |
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 Shawnee, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 19 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.
Shawnee planting FAQ
When is the last spring frost in Shawnee, KS?
Shawnee's average last spring frost falls near April 16 — 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 Shawnee, KS?
In Shawnee, the first 32°F freeze of fall lands around October 22 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Shawnee in?
Shawnee 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 Shawnee?
There are roughly 189 frost-free days in Shawnee (a moderate growing season), running from the average last frost around April 16 to the first fall frost near October 22.
When should I plant tomatoes in Shawnee?
In Shawnee, start tomato seeds indoors around February 19–March 5, then transplant seedlings outdoors around April 23 once the danger of frost has passed.
Never miss a window in Shawnee
An email when it’s time to start seeds, transplant, and sow — timed to Shawnee’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Lenexa · 6 km
- Merriam · 10 km
- Kansas City · 13 km
- Prairie Village · 15 km
- Olathe · 15 km
- Overland Park · 17 km
- Leawood · 20 km
- Kansas City · 25 km
Frost dates recorded at BONNER SPRINGS, 9 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 Shawnee, KS — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00140957. Retrieved from https://blissgarden.com/kansas/shawnee.