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When to plant in Leawood, KS

USDA Zone 6b

Leawood, Kansas frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.

In zone 6b, Leawood gardeners can grow many hardy perennials, while the last and first frost still dictate the annual vegetable calendar.

Station · OLATHE JOHNSON CO EXEC AP · 11.7 km
Last spring frost
April 8
50% chance · 32°F
First fall frost
October 29
50% chance · 32°F
Growing season
204 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for LeawoodA year-band showing 32°F frost risk from January to December for Leawood: last spring frost around April 8, first fall frost around October 29, about 204 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

OLATHE JOHNSON CO EXEC AP · 1991–2020

The 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 Leawood’s own odds, recorded at OLATHE JOHNSON CO EXEC AP.

Frost-probability curves for LeawoodProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around April 8 and the first fall frost around October 29, giving about 204 frost-free days.
Last spring frostFirst fall frostbold = 32°F · thin = 28°F / 36°F · dot = 50% date · band = 10–90% window
ThresholdSPRING 10%SPRING 50%SPRING 90%FALL 10%FALL 50%FALL 90%
36°FMay 3Apr 18Apr 4Oct 5Oct 19Oct 31
32°FApr 23Apr 8Mar 23Oct 15Oct 29Nov 11
28°FApr 13Mar 30Mar 11Oct 25Nov 6Nov 22

Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.

What to plant now

TODAY · JULY 19
Fall sowopen now
Brussels Sprouts
July 9July 23
Fall sowin 4 days
Rutabaga
July 23August 6
Fall sowin 18 days
Broccoli
August 6August 20
Fall sowin 18 days
Cabbage
August 6August 20
Fall sowin 18 days
Carrot
August 6August 20
Fall sowin 18 days
Cauliflower
August 6August 20
Fall sowin 18 days
Napa Cabbage
August 6September 3

Add these crops to your calendar (.ics) ↓

Full-year planting calendar

Start indoorsTransplantDirect sowFall sow

Each bar is the exact window to take a planting action in Leawood, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 23 km · complete 32°F normals

When 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.

OLATHE JOHNSON CO EXEC AP
Primary
12 km · 326 m elevation
SPRING
Apr 8
FALL
Oct 29
OLATHE 3E
12 km · 322 m elevation
SPRING
Apr 10
FALL
Oct 29
LEES SUMMIT MUNI AP
23 km · 304 m elevation
SPRING
Apr 7
FALL
Oct 29

Leawood planting FAQ

When is the last spring frost in Leawood, KS?

On average, the last spring frost in Leawood is around April 8 (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 Leawood, KS?

Expect Leawood's first fall frost near October 29 — a 50% chance of 32°F by that date. Bring in or cover tender crops ahead of it.

What hardiness zone is Leawood in?

Leawood 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 Leawood?

Leawood has about 204 frost-free days — a moderate growing season — between the average last spring frost (April 8) and first fall frost (October 29).

When should I plant tomatoes in Leawood?

For Leawood, sow tomatoes indoors about February 11–February 25 and move the seedlings out around April 15, after the last spring frost.

Planting reminders

Never miss a window in Leawood

An email when it’s time to start seeds, transplant, and sow — timed to Leawood’s frost dates. Double opt-in, one-click unsubscribe, no spam.

Nearby cities

8 within reach

Frost dates recorded at OLATHE JOHNSON CO EXEC AP, 12 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.

Cite this page
BlissGarden. "When to Plant in Leawood, KS — Frost Dates & Zone 6b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00003967. Retrieved from https://blissgarden.com/kansas/leawood.
When to Plant in Leawood, KS — Frost Dates & Zone 6b — BlissGarden