When to plant beets in Colorado

Beets
Sow outdoors in Denver
Apr 6–May 18

Across Colorado the window opens between March 17 and April 12. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Denver
Apr 6–May 18
Fall planting, Denver
Jul 30–Aug 13
Last frost, Denver
May 4

Sow outdoors from 4 weeks before to 2 weeks after the last frost; sow again for fall 8–10 weeks before the first frost. Each beet seed is a cluster that gives several seedlings. Thin them to 3 inches apart.

Beets planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
DenverApr 6–May 18
Colorado SpringsApr 5–May 17
AuroraApr 9–May 21
Fort CollinsApr 4–May 16
LakewoodApr 5–May 17
ThorntonApr 4–May 16
ArvadaApr 7–May 19
WestminsterApr 4–May 16
GreeleyApr 4–May 16
PuebloApr 2–May 14
CentennialApr 7–May 19
BoulderApr 8–May 20
LongmontApr 9–May 21
LovelandApr 12–May 24
BroomfieldApr 4–May 16
Commerce CityApr 5–May 17
Grand JunctionMar 17–Apr 28
LittletonApr 4–May 16
BrightonApr 5–May 17
WindsorApr 5–May 17
ErieApr 9–May 21
NorthglennApr 4–May 16
Security-WidefieldApr 5–May 17
EnglewoodApr 4–May 16
Pueblo WestMar 29–May 10
Wheat RidgeApr 7–May 19
LafayetteApr 4–May 16
FountainApr 5–May 17
EvansApr 4–May 16
JohnstownApr 12–May 24
All 34 cities
CitySow outdoorsFall plantingLast frost
DenverApr 6 to May 18Jul 30 to Aug 13May 4
Colorado SpringsApr 5 to May 17Jul 30 to Aug 13May 3
AuroraApr 9 to May 21Jul 30 to Aug 13May 7
Fort CollinsApr 4 to May 16Jul 29 to Aug 12May 2
LakewoodApr 5 to May 17Jul 29 to Aug 12May 3
ThorntonApr 4 to May 16Aug 2 to Aug 16May 2
ArvadaApr 7 to May 19Jul 27 to Aug 10May 5
WestminsterApr 4 to May 16Aug 2 to Aug 16May 2
GreeleyApr 4 to May 16Jul 30 to Aug 13May 2
PuebloApr 2 to May 14Jul 31 to Aug 14Apr 30
CentennialApr 7 to May 19Jul 30 to Aug 13May 5
BoulderApr 8 to May 20Jul 27 to Aug 10May 6
LongmontApr 9 to May 21Jul 27 to Aug 10May 7
LovelandApr 12 to May 24May 10
BroomfieldApr 4 to May 16Aug 2 to Aug 16May 2
Commerce CityApr 5 to May 17Jul 29 to Aug 12May 3
Grand JunctionMar 17 to Apr 28Aug 14 to Aug 28Apr 14
LittletonApr 4 to May 16Aug 2 to Aug 16May 2
BrightonApr 5 to May 17Jul 29 to Aug 12May 3
WindsorApr 5 to May 17Jul 28 to Aug 11May 3
ErieApr 9 to May 21Jul 27 to Aug 10May 7
NorthglennApr 4 to May 16Aug 2 to Aug 16May 2
Security-WidefieldApr 5 to May 17Jul 30 to Aug 13May 3
EnglewoodApr 4 to May 16Aug 2 to Aug 16May 2
Pueblo WestMar 29 to May 10Aug 4 to Aug 18Apr 26
Wheat RidgeApr 7 to May 19Jul 27 to Aug 10May 5
LafayetteApr 4 to May 16Aug 2 to Aug 16May 2
FountainApr 5 to May 17Jul 30 to Aug 13May 3
EvansApr 4 to May 16Jul 30 to Aug 13May 2
JohnstownApr 12 to May 24May 10
Four Square MileApr 9 to May 21Jul 30 to Aug 13May 7
MontroseMar 31 to May 12Aug 5 to Aug 19Apr 28
LouisvilleApr 8 to May 20Jul 27 to Aug 10May 6
FirestoneApr 9 to May 21Jul 27 to Aug 10May 7

Questions

When should I plant beets in Colorado?

In Denver, sow outdoors from April 6 to May 18. Across Colorado the window opens between March 17 and April 12, depending on the local last frost.

How is this date worked out?

Sow outdoors from 4 weeks before to 2 weeks after the last frost; sow again for fall 8–10 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Colorado

Beets in other states

Frost dates for every city in Colorado