When to plant leeks in Utah

Leeks
Plant out in Salt Lake City
Mar 17–Mar 31

Across Utah the window opens between February 28 and May 19. Find your city below; the dates follow each town's own average last frost.

Start indoors, Salt Lake City
Jan 6–Jan 20
Plant out, Salt Lake City
Mar 17–Mar 31
Last frost, Salt Lake City
Mar 31

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
Salt Lake CityMar 17–Mar 31
West Valley CityMar 25–Apr 8
West JordanApr 4–Apr 18
ProvoApr 4–Apr 18
St. GeorgeFeb 28–Mar 14
LehiApr 16–Apr 30
OremApr 5–Apr 19
SandyApr 15–Apr 29
OgdenApr 7–Apr 21
South JordanApr 4–Apr 18
LaytonApr 15–Apr 29
Eagle MountainMay 19–Jun 2
MillcreekApr 11–Apr 25
HerrimanApr 4–Apr 18
Saratoga SpringsApr 16–Apr 30
TaylorsvilleMar 17–Mar 31
LoganApr 24–May 8
MurrayApr 15–Apr 29
DraperApr 4–Apr 18
Spanish ForkApr 11–Apr 25
RivertonApr 4–Apr 18
BountifulApr 11–Apr 25
TooeleApr 18–May 2
Cedar CityApr 20–May 4
American ForkApr 3–Apr 17
SyracuseApr 8–Apr 22
RoyApr 8–Apr 22
Pleasant GroveApr 3–Apr 17
WashingtonFeb 28–Mar 14
MidvaleApr 15–Apr 29
All 47 cities
CityStart indoorsPlant outLast frost
Salt Lake CityJan 6 to Jan 20Mar 17 to Mar 31Mar 31
West Valley CityJan 14 to Jan 28Mar 25 to Apr 8Apr 8
West JordanJan 24 to Feb 7Apr 4 to Apr 18Apr 18
ProvoJan 24 to Feb 7Apr 4 to Apr 18Apr 18
St. GeorgeDec 20 to Jan 3Feb 28 to Mar 14Mar 14
LehiFeb 5 to Feb 19Apr 16 to Apr 30Apr 30
OremJan 25 to Feb 8Apr 5 to Apr 19Apr 19
SandyFeb 4 to Feb 18Apr 15 to Apr 29Apr 29
OgdenJan 27 to Feb 10Apr 7 to Apr 21Apr 21
South JordanJan 24 to Feb 7Apr 4 to Apr 18Apr 18
LaytonFeb 4 to Feb 18Apr 15 to Apr 29Apr 29
Eagle MountainMar 10 to Mar 24May 19 to Jun 2Jun 2
MillcreekJan 31 to Feb 14Apr 11 to Apr 25Apr 25
HerrimanJan 24 to Feb 7Apr 4 to Apr 18Apr 18
Saratoga SpringsFeb 5 to Feb 19Apr 16 to Apr 30Apr 30
TaylorsvilleJan 6 to Jan 20Mar 17 to Mar 31Mar 31
LoganFeb 13 to Feb 27Apr 24 to May 8May 8
MurrayFeb 4 to Feb 18Apr 15 to Apr 29Apr 29
DraperJan 24 to Feb 7Apr 4 to Apr 18Apr 18
Spanish ForkJan 31 to Feb 14Apr 11 to Apr 25Apr 25
RivertonJan 24 to Feb 7Apr 4 to Apr 18Apr 18
BountifulJan 31 to Feb 14Apr 11 to Apr 25Apr 25
TooeleFeb 7 to Feb 21Apr 18 to May 2May 2
Cedar CityFeb 9 to Feb 23Apr 20 to May 4May 4
American ForkJan 23 to Feb 6Apr 3 to Apr 17Apr 17
SyracuseJan 28 to Feb 11Apr 8 to Apr 22Apr 22
RoyJan 28 to Feb 11Apr 8 to Apr 22Apr 22
Pleasant GroveJan 23 to Feb 6Apr 3 to Apr 17Apr 17
WashingtonDec 20 to Jan 3Feb 28 to Mar 14Mar 14
MidvaleFeb 4 to Feb 18Apr 15 to Apr 29Apr 29
SpringvilleJan 24 to Feb 7Apr 4 to Apr 18Apr 18
KearnsJan 14 to Jan 28Mar 25 to Apr 8Apr 8
MagnaJan 9 to Jan 23Mar 20 to Apr 3Apr 3
ClearfieldFeb 4 to Feb 18Apr 15 to Apr 29Apr 29
KaysvilleJan 25 to Feb 8Apr 5 to Apr 19Apr 19
Cottonwood HeightsFeb 4 to Feb 18Apr 15 to Apr 29Apr 29
HolladayFeb 4 to Feb 18Apr 15 to Apr 29Apr 29
South Salt LakeJan 6 to Jan 20Mar 17 to Mar 31Mar 31
FarmingtonJan 25 to Feb 8Apr 5 to Apr 19Apr 19
HurricaneJan 7 to Jan 21Mar 18 to Apr 1Apr 1
West HavenJan 28 to Feb 11Apr 8 to Apr 22Apr 22
PaysonFeb 9 to Feb 23Apr 20 to May 4May 4
ClintonJan 28 to Feb 11Apr 8 to Apr 22Apr 22
North Salt LakeJan 30 to Feb 13Apr 10 to Apr 24Apr 24
North OgdenJan 25 to Feb 8Apr 5 to Apr 19Apr 19
HighlandFeb 8 to Feb 22Apr 19 to May 3May 3
Brigham CityFeb 10 to Feb 24Apr 21 to May 5May 5

Questions

When should I plant leeks in Utah?

In Salt Lake City, plant out from March 17 to March 31. Across Utah the window opens between February 28 and May 19, 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 Utah

Leeks in other states

Frost dates for every city in Utah