When to plant radish in Las Vegas
Radish 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
Jan 21 – Jan 26
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Oct 15 – Oct 29
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Nov 16 – Nov 21
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Las Vegas's 305-day season leaves this much room.
Radish 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 radish 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 radish be ready to harvest in Las Vegas?
Expect to harvest from around late January (Jan 21–Jan 26) in Las Vegas, based on its local frost dates. Confidence 77%.
Can I plant radish in autumn in Las Vegas?
Yes — Las Vegas supports a second, autumn sowing of radish around mid October (Oct 15–Oct 29), 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 radish to maturity outdoors.
The rule of thumb
Sow radish 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.