When to plant in McPherson, KS
USDA Zone 6bMcPherson, 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 McPherson sees real winter cold, but a good range of perennials survive; the frost dates above govern when annual vegetables go out.
The average first fall frost in McPherson is now 5 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
MCPHERSON · 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 McPherson’s own odds, recorded at MCPHERSON.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | May 10 | Apr 28 | Apr 15 | Sep 30 | Oct 16 | Oct 29 |
| 32°F | May 1 | Apr 18 | Apr 4 | Oct 7 | Oct 24 | Nov 7 |
| 28°F | Apr 23 | Apr 6 | Mar 21 | Oct 17 | Nov 1 | 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 McPherson, 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.
McPherson planting FAQ
When is the last spring frost in McPherson, KS?
McPherson'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 McPherson, KS?
The first fall frost in McPherson typically arrives around October 24 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is McPherson in?
McPherson 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 McPherson?
There are roughly 189 frost-free days in McPherson (a moderate growing season), running from the average last frost around April 18 to the first fall frost near October 24.
When should I plant tomatoes in McPherson?
In McPherson, 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 McPherson
An email when it’s time to start seeds, transplant, and sow — timed to McPherson’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reachFrost dates recorded at MCPHERSON, 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 McPherson, KS — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00145152. Retrieved from https://blissgarden.com/kansas/mcpherson.