When to plant watermelon in Utah

Watermelon
Plant out in Salt Lake City
Apr 14–Apr 28

Across Utah the window opens between March 28 and June 16. Find your city below; the dates follow each town's own average last frost.

Start indoors, Salt Lake City
Mar 3–Mar 10
Plant out, Salt Lake City
Apr 14–Apr 28
Sow outdoors, Salt Lake City
Apr 14–Apr 28
Last sowing for a harvest
Jul 17
Last frost, Salt Lake City
Mar 31

Start seeds indoors 3–4 weeks before the last frost; plant out 2–4 weeks after the last frost; sow outdoors 2–4 weeks after the last frost. In short-season areas, start seedlings indoors and pick an early variety.

Watermelon planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
Salt Lake CityApr 14–Apr 28
West Valley CityApr 22–May 6
West JordanMay 2–May 16
ProvoMay 2–May 16
St. GeorgeMar 28–Apr 11
LehiMay 14–May 28
OremMay 3–May 17
SandyMay 13–May 27
OgdenMay 5–May 19
South JordanMay 2–May 16
LaytonMay 13–May 27
Eagle MountainJun 16–Jun 30
MillcreekMay 9–May 23
HerrimanMay 2–May 16
Saratoga SpringsMay 14–May 28
TaylorsvilleApr 14–Apr 28
LoganMay 22–Jun 5
MurrayMay 13–May 27
DraperMay 2–May 16
Spanish ForkMay 9–May 23
RivertonMay 2–May 16
BountifulMay 9–May 23
TooeleMay 16–May 30
Cedar CityMay 18–Jun 1
American ForkMay 1–May 15
SyracuseMay 6–May 20
RoyMay 6–May 20
Pleasant GroveMay 1–May 15
WashingtonMar 28–Apr 11
MidvaleMay 13–May 27
All 47 cities
CityStart indoorsPlant outSow outdoorsLast frost
Salt Lake CityMar 3 to Mar 10Apr 14 to Apr 28Apr 14 to Apr 28Mar 31
West Valley CityMar 11 to Mar 18Apr 22 to May 6Apr 22 to May 6Apr 8
West JordanMar 21 to Mar 28May 2 to May 16May 2 to May 16Apr 18
ProvoMar 21 to Mar 28May 2 to May 16May 2 to May 16Apr 18
St. GeorgeFeb 14 to Feb 21Mar 28 to Apr 11Mar 28 to Apr 11Mar 14
LehiApr 2 to Apr 9May 14 to May 28May 14 to May 28Apr 30
OremMar 22 to Mar 29May 3 to May 17May 3 to May 17Apr 19
SandyApr 1 to Apr 8May 13 to May 27May 13 to May 27Apr 29
OgdenMar 24 to Mar 31May 5 to May 19May 5 to May 19Apr 21
South JordanMar 21 to Mar 28May 2 to May 16May 2 to May 16Apr 18
LaytonApr 1 to Apr 8May 13 to May 27May 13 to May 27Apr 29
Eagle MountainMay 5 to May 12Jun 16 to Jun 30Jun 16 to Jun 30Jun 2
MillcreekMar 28 to Apr 4May 9 to May 23May 9 to May 23Apr 25
HerrimanMar 21 to Mar 28May 2 to May 16May 2 to May 16Apr 18
Saratoga SpringsApr 2 to Apr 9May 14 to May 28May 14 to May 28Apr 30
TaylorsvilleMar 3 to Mar 10Apr 14 to Apr 28Apr 14 to Apr 28Mar 31
LoganApr 10 to Apr 17May 22 to Jun 5May 22 to Jun 5May 8
MurrayApr 1 to Apr 8May 13 to May 27May 13 to May 27Apr 29
DraperMar 21 to Mar 28May 2 to May 16May 2 to May 16Apr 18
Spanish ForkMar 28 to Apr 4May 9 to May 23May 9 to May 23Apr 25
RivertonMar 21 to Mar 28May 2 to May 16May 2 to May 16Apr 18
BountifulMar 28 to Apr 4May 9 to May 23May 9 to May 23Apr 25
TooeleApr 4 to Apr 11May 16 to May 30May 16 to May 30May 2
Cedar CityApr 6 to Apr 13May 18 to Jun 1May 18 to Jun 1May 4
American ForkMar 20 to Mar 27May 1 to May 15May 1 to May 15Apr 17
SyracuseMar 25 to Apr 1May 6 to May 20May 6 to May 20Apr 22
RoyMar 25 to Apr 1May 6 to May 20May 6 to May 20Apr 22
Pleasant GroveMar 20 to Mar 27May 1 to May 15May 1 to May 15Apr 17
WashingtonFeb 14 to Feb 21Mar 28 to Apr 11Mar 28 to Apr 11Mar 14
MidvaleApr 1 to Apr 8May 13 to May 27May 13 to May 27Apr 29
SpringvilleMar 21 to Mar 28May 2 to May 16May 2 to May 16Apr 18
KearnsMar 11 to Mar 18Apr 22 to May 6Apr 22 to May 6Apr 8
MagnaMar 6 to Mar 13Apr 17 to May 1Apr 17 to May 1Apr 3
ClearfieldApr 1 to Apr 8May 13 to May 27May 13 to May 27Apr 29
KaysvilleMar 22 to Mar 29May 3 to May 17May 3 to May 17Apr 19
Cottonwood HeightsApr 1 to Apr 8May 13 to May 27May 13 to May 27Apr 29
HolladayApr 1 to Apr 8May 13 to May 27May 13 to May 27Apr 29
South Salt LakeMar 3 to Mar 10Apr 14 to Apr 28Apr 14 to Apr 28Mar 31
FarmingtonMar 22 to Mar 29May 3 to May 17May 3 to May 17Apr 19
HurricaneMar 4 to Mar 11Apr 15 to Apr 29Apr 15 to Apr 29Apr 1
West HavenMar 25 to Apr 1May 6 to May 20May 6 to May 20Apr 22
PaysonApr 6 to Apr 13May 18 to Jun 1May 18 to Jun 1May 4
ClintonMar 25 to Apr 1May 6 to May 20May 6 to May 20Apr 22
North Salt LakeMar 27 to Apr 3May 8 to May 22May 8 to May 22Apr 24
North OgdenMar 22 to Mar 29May 3 to May 17May 3 to May 17Apr 19
HighlandApr 5 to Apr 12May 17 to May 31May 17 to May 31May 3
Brigham CityApr 7 to Apr 14May 19 to Jun 2May 19 to Jun 2May 5

In Eagle Mountain the frost-free season is shorter than watermelon need. Start plants indoors and pick early varieties.

Questions

When should I plant watermelon in Utah?

In Salt Lake City, plant out from April 14 to April 28. Across Utah the window opens between March 28 and June 16, depending on the local last frost.

How is this date worked out?

Start seeds indoors 3–4 weeks before the last frost; plant out 2–4 weeks after the last frost; sow outdoors 2–4 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

Is the season long enough for watermelon everywhere in Utah?

Not quite. In Eagle Mountain the frost-free season is shorter than the time watermelon need to ripen. Start plants indoors and pick an early variety.

More for Utah

Watermelon in other states

Frost dates for every city in Utah