When to plant radish in Sacramento
Radish is cold-hardy, so every date keys off Sacramento's frost dates of Feb 15.
Step 1 · Sow
Direct sow outdoors
Dec 26 – Jan 16
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jan 20 – Jan 25
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Oct 7 – Oct 21
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Nov 8 – Nov 13
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Sacramento's 282-day season leaves this much room.
Radish on Sacramento'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
FROST
FEB 15
NOV 27
Common questions
When can I sow radish outdoors in Sacramento?
Direct-sow around late December (Dec 26–Jan 16) in Sacramento, based on its local frost dates. Confidence 85%.
When will radish be ready to harvest in Sacramento?
Expect to harvest from around mid January (Jan 20–Jan 25) in Sacramento, based on its local frost dates. Confidence 79%.
Can I plant radish in autumn in Sacramento?
Yes — Sacramento supports a second, autumn sowing of radish around early October (Oct 7–Oct 21), timed to mature before the first fall frost.
How long is the growing season in Sacramento?
Sacramento has roughly 282 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 Sacramento's frost dates.
Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.