When to plant leeks in Missouri

Leeks
Plant out in Kansas City
Mar 21–Apr 4

Across Missouri the window opens between March 18 and April 5. Find your city below; the dates follow each town's own average last frost.

Start indoors, Kansas City
Jan 10–Jan 24
Plant out, Kansas City
Mar 21–Apr 4
Last frost, Kansas City
Apr 4

Start seeds indoors 10–12 weeks before the last frost; plant out up to 2 weeks before the last frost. Plant leeks deep in a trench and fill it in as they grow to get long white stems.

Leeks planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
Kansas CityMar 21–Apr 4
St. LouisMar 18–Apr 1
SpringfieldMar 21–Apr 4
ColumbiaMar 22–Apr 5
IndependenceMar 27–Apr 10
Lee's SummitMar 24–Apr 7
O'FallonMar 27–Apr 10
St. CharlesMar 25–Apr 8
St. JosephApr 5–Apr 19
Blue SpringsMar 24–Apr 7
St. PetersMar 26–Apr 9
JoplinMar 26–Apr 9
FlorissantMar 19–Apr 2
WentzvilleMar 27–Apr 10
ChesterfieldMar 21–Apr 4
Jefferson CityMar 25–Apr 8
Cape GirardeauMar 22–Apr 5
OakvilleMar 23–Apr 6
WildwoodMar 29–Apr 12
University CityMar 18–Apr 1
LibertyApr 5–Apr 19
BallwinMar 21–Apr 4
KirkwoodMar 18–Apr 1
RaytownMar 24–Apr 7
MehlvilleMar 23–Apr 6
Maryland HeightsMar 21–Apr 4
GladstoneMar 21–Apr 4
GrandviewMar 24–Apr 7
RaymoreMar 30–Apr 13
NixaApr 1–Apr 15
All 41 cities
CityStart indoorsPlant outLast frost
Kansas CityJan 10 to Jan 24Mar 21 to Apr 4Apr 4
St. LouisJan 7 to Jan 21Mar 18 to Apr 1Apr 1
SpringfieldJan 10 to Jan 24Mar 21 to Apr 4Apr 4
ColumbiaJan 11 to Jan 25Mar 22 to Apr 5Apr 5
IndependenceJan 16 to Jan 30Mar 27 to Apr 10Apr 10
Lee's SummitJan 13 to Jan 27Mar 24 to Apr 7Apr 7
O'FallonJan 16 to Jan 30Mar 27 to Apr 10Apr 10
St. CharlesJan 14 to Jan 28Mar 25 to Apr 8Apr 8
St. JosephJan 25 to Feb 8Apr 5 to Apr 19Apr 19
Blue SpringsJan 13 to Jan 27Mar 24 to Apr 7Apr 7
St. PetersJan 15 to Jan 29Mar 26 to Apr 9Apr 9
JoplinJan 15 to Jan 29Mar 26 to Apr 9Apr 9
FlorissantJan 8 to Jan 22Mar 19 to Apr 2Apr 2
WentzvilleJan 16 to Jan 30Mar 27 to Apr 10Apr 10
ChesterfieldJan 10 to Jan 24Mar 21 to Apr 4Apr 4
Jefferson CityJan 14 to Jan 28Mar 25 to Apr 8Apr 8
Cape GirardeauJan 11 to Jan 25Mar 22 to Apr 5Apr 5
OakvilleJan 12 to Jan 26Mar 23 to Apr 6Apr 6
WildwoodJan 18 to Feb 1Mar 29 to Apr 12Apr 12
University CityJan 7 to Jan 21Mar 18 to Apr 1Apr 1
LibertyJan 25 to Feb 8Apr 5 to Apr 19Apr 19
BallwinJan 10 to Jan 24Mar 21 to Apr 4Apr 4
KirkwoodJan 7 to Jan 21Mar 18 to Apr 1Apr 1
RaytownJan 13 to Jan 27Mar 24 to Apr 7Apr 7
MehlvilleJan 12 to Jan 26Mar 23 to Apr 6Apr 6
Maryland HeightsJan 10 to Jan 24Mar 21 to Apr 4Apr 4
GladstoneJan 10 to Jan 24Mar 21 to Apr 4Apr 4
GrandviewJan 13 to Jan 27Mar 24 to Apr 7Apr 7
RaymoreJan 19 to Feb 2Mar 30 to Apr 13Apr 13
NixaJan 21 to Feb 4Apr 1 to Apr 15Apr 15
BeltonJan 19 to Feb 2Mar 30 to Apr 13Apr 13
HazelwoodJan 8 to Jan 22Mar 19 to Apr 2Apr 2
OzarkJan 21 to Feb 4Apr 1 to Apr 15Apr 15
Webster GrovesJan 7 to Jan 21Mar 18 to Apr 1Apr 1
SedaliaJan 24 to Feb 7Apr 4 to Apr 18Apr 18
RepublicJan 15 to Jan 29Mar 26 to Apr 9Apr 9
Old JamestownJan 8 to Jan 22Mar 19 to Apr 2Apr 2
ArnoldJan 15 to Jan 29Mar 26 to Apr 9Apr 9
RollaJan 11 to Jan 25Mar 22 to Apr 5Apr 5
WarrensburgJan 20 to Feb 3Mar 31 to Apr 14Apr 14
AfftonJan 7 to Jan 21Mar 18 to Apr 1Apr 1

Questions

When should I plant leeks in Missouri?

In Kansas City, plant out from March 21 to April 4. Across Missouri the window opens between March 18 and April 5, depending on the local last frost.

How is this date worked out?

Start seeds indoors 10–12 weeks before the last frost; plant out up to 2 weeks before the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Missouri

Leeks in other states

Frost dates for every city in Missouri