When to plant cilantro / coriander in Las Vegas
Cilantro / Coriander is cold-hardy, so every date keys off Las Vegas's frost dates of Feb 4.
Step 1 · Sow
Direct sow outdoors
Dec 27 – Jan 17
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Feb 10 – Mar 7
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 26 – Sep 9
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 17 – Nov 11
Maturity window for the second sowing.
Window
Days to maturity
45 – 70 d
Las Vegas's 305-day season leaves this much room.
Cilantro / Coriander 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
FROST
FEB 4
DEC 5
Common questions
When can I sow cilantro / coriander outdoors in Las Vegas?
Direct-sow around late December (Dec 27–Jan 17) in Las Vegas, based on its local frost dates. Confidence 83%.
When will cilantro / coriander be ready to harvest in Las Vegas?
Expect to harvest from around early February (Feb 10–Mar 7) in Las Vegas, based on its local frost dates. Confidence 77%.
Can I plant cilantro / coriander in autumn in Las Vegas?
Yes — Las Vegas supports a second, autumn sowing of cilantro / coriander around late August (Aug 26–Sep 9), 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 cilantro / coriander to maturity outdoors.
The rule of thumb
Sow cilantro / coriander 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.