When to plant radish in Kansas City
Radish is cold-hardy, so every date keys off Kansas City's frost dates of Apr 3.
Step 1 · Sow
Direct sow outdoors
Mar 15 – Apr 5
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Apr 9 – Apr 14
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Sep 9 – Sep 23
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 11 – Oct 16
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Kansas City's 212-day season leaves this much room.
Radish on Kansas City'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
APR 3
OCT 30
Common questions
When can I sow radish outdoors in Kansas City?
Direct-sow around mid March (Mar 15–Apr 5) in Kansas City, based on its local frost dates. Confidence 84%.
When will radish be ready to harvest in Kansas City?
Expect to harvest from around early April (Apr 9–Apr 14) in Kansas City, based on its local frost dates. Confidence 78%.
Can I plant radish in autumn in Kansas City?
Yes — Kansas City supports a second, autumn sowing of radish around early September (Sep 9–Sep 23), timed to mature before the first fall frost.
How long is the growing season in Kansas City?
Kansas City has roughly 212 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 Kansas City's frost dates.
Confidence 87/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.