When to plant leek in Las Vegas
Leek is cold-hardy, so every date keys off Las Vegas's frost dates of Feb 4.
Step 1 · Sow
Start seeds indoors
Nov 26 – Dec 17
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
Apr 6 – Apr 26
Picking runs until conditions turn against the crop.
Window
Days to maturity
100 – 120 d
Las Vegas's 305-day season leaves this much room.
Leek 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 will leek be ready to harvest in Las Vegas?
Expect to harvest from around early April (Apr 6–Apr 26) in Las Vegas, based on its local frost dates. Confidence 77%.
When should I start leek seeds indoors in Las Vegas?
Start seeds indoors around late November (Nov 26–Dec 17) in Las Vegas, based on its local frost dates. Confidence 82%.
When can I transplant leek outdoors in Las Vegas?
Transplant outdoors around late December (Dec 27–Jan 17) in Las Vegas, based on its local frost dates. Confidence 83%.
How long is the growing season in Las Vegas?
Las Vegas has roughly 305 frost-free days, which is enough time to grow leek to maturity outdoors.
The rule of thumb
Sow leek 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.