FrostCal

When to Plant Broccoli in Missouri

In a typical Missouri location, start seeds indoors Feb 18 – Mar 4, then transplant outdoors Mar 18 – Mar 25. Across the state, the outdoor planting window starts as early as Mar 5 in Sikeston and as late as Mar 31 in Kirksville. For a fall crop, plant around Aug 25 – Sep 1.

Method Start indoors, then transplant
Days to maturity 55–80 days

Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Broccoli Planting Dates by City

CityStart indoorsTransplantFall planting
Kansas CityFeb 14 – Feb 28Mar 14 – Mar 21Aug 31 – Sep 7
St. LouisFeb 11 – Feb 25Mar 11 – Mar 18Sep 2 – Sep 9
SpringfieldFeb 14 – Feb 28Mar 14 – Mar 21Aug 25 – Sep 1
ColumbiaFeb 15 – Mar 1Mar 15 – Mar 22Aug 29 – Sep 5
IndependenceFeb 20 – Mar 6Mar 20 – Mar 27Aug 25 – Sep 1
Lee's SummitFeb 23 – Mar 9Mar 23 – Mar 30Aug 24 – Aug 31
O'FallonFeb 19 – Mar 5Mar 19 – Mar 26Aug 24 – Aug 31
Saint JosephMar 1 – Mar 15Mar 29 – Apr 5Aug 15 – Aug 22
Saint CharlesFeb 18 – Mar 4Mar 18 – Mar 25Aug 27 – Sep 3
Blue SpringsFeb 17 – Mar 3Mar 17 – Mar 24Aug 27 – Sep 3
Saint PetersFeb 19 – Mar 5Mar 19 – Mar 26Aug 24 – Aug 31
FlorissantFeb 12 – Feb 26Mar 12 – Mar 19Sep 2 – Sep 9
JoplinFeb 19 – Mar 5Mar 19 – Mar 26Aug 25 – Sep 1
ChesterfieldFeb 14 – Feb 28Mar 14 – Mar 21Aug 27 – Sep 3
Jefferson CityFeb 18 – Mar 4Mar 18 – Mar 25Aug 29 – Sep 5
Cape GirardeauFeb 15 – Mar 1Mar 15 – Mar 22Aug 23 – Aug 30
OakvilleFeb 16 – Mar 2Mar 16 – Mar 23Aug 25 – Sep 1
WildwoodFeb 22 – Mar 8Mar 22 – Mar 29Aug 21 – Aug 28
WentzvilleFeb 20 – Mar 6Mar 20 – Mar 27Aug 24 – Aug 31
University CityFeb 11 – Feb 25Mar 11 – Mar 18Sep 2 – Sep 9
BallwinFeb 14 – Feb 28Mar 14 – Mar 21Aug 27 – Sep 3
LibertyMar 1 – Mar 15Mar 29 – Apr 5Aug 15 – Aug 22
RaytownFeb 20 – Mar 6Mar 20 – Mar 27Aug 25 – Sep 1
MehlvilleFeb 16 – Mar 2Mar 16 – Mar 23Aug 25 – Sep 1
KirkwoodFeb 11 – Feb 25Mar 11 – Mar 18Sep 2 – Sep 9
Maryland HeightsFeb 12 – Feb 26Mar 12 – Mar 19Sep 2 – Sep 9
GladstoneFeb 14 – Feb 28Mar 14 – Mar 21Aug 31 – Sep 7
HazelwoodFeb 12 – Feb 26Mar 12 – Mar 19Sep 2 – Sep 9
GrandviewFeb 17 – Mar 3Mar 17 – Mar 24Aug 27 – Sep 3
Webster GrovesFeb 11 – Feb 25Mar 11 – Mar 18Sep 2 – Sep 9

Showing the 30 most populous of 90 Missouri cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Missouri cities.

Frequently Asked Questions

When should I plant broccoli in Missouri?

In a typical Missouri location, start seeds indoors Feb 18 – Mar 4, then transplant outdoors Mar 18 – Mar 25. Across the state, the outdoor planting window starts as early as Mar 5 in Sikeston and as late as Mar 31 in Kirksville. For a fall crop, plant around Aug 25 – Sep 1.

When is the last frost in Missouri?

The average last spring frost in Missouri ranges from March 26 in Sikeston to April 21 in Kirksville, based on NOAA 1991–2020 climate normals.

How long do broccoli take to grow?

Broccoli typically take 55–80 days from planting to harvest. Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Other Crops in Missouri

When to plant broccoli in other states

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