When to plant basil in Las Vegas
Basil is frost-tender, so every date keys off Las Vegas's last spring frost of Feb 4.
Step 1 · Sow
Start seeds indoors
Jan 22 – Feb 12
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 22 – Apr 12
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 21 – Jun 20
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 90 d
Las Vegas's 305-day season leaves this much room.
Basil 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 basil outdoors in Las Vegas?
Direct-sow around late March (Mar 22–Apr 12) in Las Vegas, based on its local frost dates. Confidence 83%.
When will basil be ready to harvest in Las Vegas?
Expect to harvest from around late May (May 21–Jun 20) in Las Vegas, based on its local frost dates. Confidence 77%.
When should I start basil seeds indoors in Las Vegas?
Start seeds indoors around late January (Jan 22–Feb 12) in Las Vegas, based on its local frost dates. Confidence 82%.
When can I transplant basil outdoors in Las Vegas?
Transplant outdoors around late March (Mar 22–Apr 12) 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 basil to maturity outdoors.
The rule of thumb
Sow basil 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. 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.