When to plant radish in Atlanta
Radish is cold-hardy, so every date keys off Atlanta's frost dates of Mar 28.
Step 1 · Sow
Direct sow outdoors
Feb 28 – Mar 21
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 25 – Mar 30
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Sep 17 – Oct 1
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 19 – Oct 24
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Atlanta's 229-day season leaves this much room.
Radish on Atlanta'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
MAR 28
NOV 7
Common questions
When can I sow radish outdoors in Atlanta?
Direct-sow around late February (Feb 28–Mar 21) in Atlanta, based on its local frost dates. Confidence 82%.
When will radish be ready to harvest in Atlanta?
Expect to harvest from around late March (Mar 25–Mar 30) in Atlanta, based on its local frost dates. Confidence 74%.
Can I plant radish in autumn in Atlanta?
Yes — Atlanta supports a second, autumn sowing of radish around mid September (Sep 17–Oct 1), timed to mature before the first fall frost.
How long is the growing season in Atlanta?
Atlanta has roughly 229 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 Atlanta's frost dates.
Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.