When to plant tomatoes in Utah

Plant out in Salt Lake City

Apr 7–Apr 21

Across Utah the window opens between March 21 and June 9. Find your city below; the dates follow each town's own average last frost.

Start indoors, Salt Lake City: Feb 3–Feb 17
Plant out, Salt Lake City: Apr 7–Apr 21
Last sowing for a harvest: Aug 1
Last frost, Salt Lake City: Mar 31

Start seeds indoors 6–8 weeks before the last frost; plant out 1–3 weeks after the last frost. Wait for nights that stay above 50°F. A cold snap after transplanting stalls tomatoes for weeks.

Tomatoes planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

Salt Lake CityApr 7–Apr 21

West Valley CityApr 15–Apr 29

West JordanApr 25–May 9

ProvoApr 25–May 9

St. GeorgeMar 21–Apr 4

LehiMay 7–May 21

OremApr 26–May 10

SandyMay 6–May 20

OgdenApr 28–May 12

South JordanApr 25–May 9

LaytonMay 6–May 20

Eagle MountainJun 9–Jun 23

MillcreekMay 2–May 16

HerrimanApr 25–May 9

Saratoga SpringsMay 7–May 21

TaylorsvilleApr 7–Apr 21

LoganMay 15–May 29

MurrayMay 6–May 20

DraperApr 25–May 9

Spanish ForkMay 2–May 16

RivertonApr 25–May 9

BountifulMay 2–May 16

TooeleMay 9–May 23

Cedar CityMay 11–May 25

American ForkApr 24–May 8

SyracuseApr 29–May 13

RoyApr 29–May 13

Pleasant GroveApr 24–May 8

WashingtonMar 21–Apr 4

MidvaleMay 6–May 20

All 47 cities

City	Start indoors	Plant out	Last frost
Salt Lake City	Feb 3 to Feb 17	Apr 7 to Apr 21	Mar 31
West Valley City	Feb 11 to Feb 25	Apr 15 to Apr 29	Apr 8
West Jordan	Feb 21 to Mar 7	Apr 25 to May 9	Apr 18
Provo	Feb 21 to Mar 7	Apr 25 to May 9	Apr 18
St. George	Jan 17 to Jan 31	Mar 21 to Apr 4	Mar 14
Lehi	Mar 5 to Mar 19	May 7 to May 21	Apr 30
Orem	Feb 22 to Mar 8	Apr 26 to May 10	Apr 19
Sandy	Mar 4 to Mar 18	May 6 to May 20	Apr 29
Ogden	Feb 24 to Mar 10	Apr 28 to May 12	Apr 21
South Jordan	Feb 21 to Mar 7	Apr 25 to May 9	Apr 18
Layton	Mar 4 to Mar 18	May 6 to May 20	Apr 29
Eagle Mountain	Apr 7 to Apr 21	Jun 9 to Jun 23	Jun 2
Millcreek	Feb 28 to Mar 14	May 2 to May 16	Apr 25
Herriman	Feb 21 to Mar 7	Apr 25 to May 9	Apr 18
Saratoga Springs	Mar 5 to Mar 19	May 7 to May 21	Apr 30
Taylorsville	Feb 3 to Feb 17	Apr 7 to Apr 21	Mar 31
Logan	Mar 13 to Mar 27	May 15 to May 29	May 8
Murray	Mar 4 to Mar 18	May 6 to May 20	Apr 29
Draper	Feb 21 to Mar 7	Apr 25 to May 9	Apr 18
Spanish Fork	Feb 28 to Mar 14	May 2 to May 16	Apr 25
Riverton	Feb 21 to Mar 7	Apr 25 to May 9	Apr 18
Bountiful	Feb 28 to Mar 14	May 2 to May 16	Apr 25
Tooele	Mar 7 to Mar 21	May 9 to May 23	May 2
Cedar City	Mar 9 to Mar 23	May 11 to May 25	May 4
American Fork	Feb 20 to Mar 6	Apr 24 to May 8	Apr 17
Syracuse	Feb 25 to Mar 11	Apr 29 to May 13	Apr 22
Roy	Feb 25 to Mar 11	Apr 29 to May 13	Apr 22
Pleasant Grove	Feb 20 to Mar 6	Apr 24 to May 8	Apr 17
Washington	Jan 17 to Jan 31	Mar 21 to Apr 4	Mar 14
Midvale	Mar 4 to Mar 18	May 6 to May 20	Apr 29
Springville	Feb 21 to Mar 7	Apr 25 to May 9	Apr 18
Kearns	Feb 11 to Feb 25	Apr 15 to Apr 29	Apr 8
Magna	Feb 6 to Feb 20	Apr 10 to Apr 24	Apr 3
Clearfield	Mar 4 to Mar 18	May 6 to May 20	Apr 29
Kaysville	Feb 22 to Mar 8	Apr 26 to May 10	Apr 19
Cottonwood Heights	Mar 4 to Mar 18	May 6 to May 20	Apr 29
Holladay	Mar 4 to Mar 18	May 6 to May 20	Apr 29
South Salt Lake	Feb 3 to Feb 17	Apr 7 to Apr 21	Mar 31
Farmington	Feb 22 to Mar 8	Apr 26 to May 10	Apr 19
Hurricane	Feb 4 to Feb 18	Apr 8 to Apr 22	Apr 1
West Haven	Feb 25 to Mar 11	Apr 29 to May 13	Apr 22
Payson	Mar 9 to Mar 23	May 11 to May 25	May 4
Clinton	Feb 25 to Mar 11	Apr 29 to May 13	Apr 22
North Salt Lake	Feb 27 to Mar 13	May 1 to May 15	Apr 24
North Ogden	Feb 22 to Mar 8	Apr 26 to May 10	Apr 19
Highland	Mar 8 to Mar 22	May 10 to May 24	May 3
Brigham City	Mar 10 to Mar 24	May 12 to May 26	May 5

Questions

When should I plant tomatoes in Utah?

In Salt Lake City, plant out from April 7 to April 21. Across Utah the window opens between March 21 and June 9, depending on the local last frost.

How is this date worked out?

Start seeds indoors 6–8 weeks before the last frost; plant out 1–3 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Utah

Tomatoes in other states

Frost dates for every city in Utah