When to plant cauliflower in Las Vegas

Cauliflower is cold-hardy, so every date keys off Las Vegas's frost dates of Feb 4.
Step 1 · Sow
Start seeds indoors
Dec 24 – Jan 14
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Dec 27 – Jan 17
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Feb 25 – Mar 22
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Aug 11 – Aug 25
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Oct 17 – Nov 11
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Las Vegas's 305-day season leaves this much room.
Cauliflower on Las Vegas's growing year
Frost-bounded season with crops mapped onto the 12-month axis.
Frost risk Growing Harvest
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
FEB 4
DEC 5

Common questions

When will cauliflower be ready to harvest in Las Vegas?

Expect to harvest from around late February (Feb 25–Mar 22) in Las Vegas, based on its local frost dates. Confidence 77%.

When should I start cauliflower seeds indoors in Las Vegas?

Start seeds indoors around late December (Dec 24–Jan 14) in Las Vegas, based on its local frost dates. Confidence 82%.

When can I transplant cauliflower outdoors in Las Vegas?

Transplant outdoors around late December (Dec 27–Jan 17) in Las Vegas, based on its local frost dates. Confidence 83%.

Can I plant cauliflower in autumn in Las Vegas?

Yes — Las Vegas supports a second, autumn sowing of cauliflower around mid August (Aug 11–Aug 25), timed to mature before the first fall frost.

How long is the growing season in Las Vegas?

Las Vegas has roughly 305 frost-free days, which is enough time to grow cauliflower to maturity outdoors.

The rule of thumb

Sow cauliflower as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Las Vegas's frost dates.

Confidence 86/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.