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When to plant in Kennett, MO

USDA Zone 7b

Everything below — frost dates, hardiness zone, and what to plant when in Kennett, Missouri — is derived from the closest NOAA station with complete climate normals.

Zone 7b means many perennials and even some tender shrubs overwinter in Kennett, while your frost dates still decide when annuals go out.

Station · KENNETT RADIO KBOA · 3.0 km
Last spring frost
March 31
50% chance · 32°F
First fall frost
November 1
50% chance · 32°F
Growing season
215 days
frost-free
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Frost calendar for KennettA year-band showing 32°F frost risk from January to December for Kennett: last spring frost around March 31, first fall frost around November 1, about 215 frost-free days between.
Shaded months carry frost risk; the clear span is the average frost-free season.

Frost probability

KENNETT RADIO KBOA · 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 Kennett’s own odds, recorded at KENNETT RADIO KBOA.

Frost-probability curves for KennettProbability of the last spring frost and first fall frost by date at 32°F. The last spring frost is most likely around March 31 and the first fall frost around November 1, giving about 215 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°FApr 26Apr 9Mar 23Oct 10Oct 22Nov 4
32°FApr 15Mar 31Mar 12Oct 18Nov 1Nov 16
28°FApr 4Mar 19Feb 28Oct 30Nov 13Dec 2

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 12July 26
Fall sowin 7 days
Rutabaga
July 26August 9
Fall sowin 21 days
Broccoli
August 9August 23
Fall sowin 21 days
Cabbage
August 9August 23
Fall sowin 21 days
Carrot
August 9August 23
Fall sowin 21 days
Cauliflower
August 9August 23
Fall sowin 21 days
Napa Cabbage
August 9September 6

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 Kennett, drawn to the day from the local frost dates. The dashed line is today.

Nearby weather stations

3 within 37 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.

KENNETT RADIO KBOA
Primary
3 km · 82 m elevation
SPRING
Mar 31
FALL
Nov 1
CARUTHERSVILLE
35 km · 82 m elevation
SPRING
Mar 24
FALL
Nov 9
PORTAGEVILLE
37 km · 85 m elevation
SPRING
Mar 25
FALL
Nov 7

Kennett planting FAQ

When is the last spring frost in Kennett, MO?

Kennett's average last spring frost falls near March 31 — 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 Kennett, MO?

The first fall frost in Kennett typically arrives around November 1 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.

What hardiness zone is Kennett in?

Kennett is in USDA hardiness zone 7b. In zone 7b, winters are moderate — most common vegetables grow well in season.

How long is the growing season in Kennett?

There are roughly 215 frost-free days in Kennett (a long growing season), running from the average last frost around March 31 to the first fall frost near November 1.

When should I plant tomatoes in Kennett?

In Kennett, start tomato seeds indoors around February 3–February 17, then transplant seedlings outdoors around April 7 once the danger of frost has passed.

Planting reminders

Never miss a window in Kennett

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

Nearby cities

8 within reach

Frost dates recorded at KENNETT RADIO KBOA, 3 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 Kennett, MO — Frost Dates & Zone 7b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00234417. Retrieved from https://blissgarden.com/missouri/kennett.