When to plant radish in Hobart
Radish is cold-hardy, so every date keys off Hobart's frost dates of Oct 11.
Step 1 · Sow
Direct sow outdoors
Sep 13 – Oct 4
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Oct 8 – Oct 13
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Mar 25 – Apr 8
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Apr 26 – May 1
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Hobart's 227-day season leaves this much room.
Radish on Hobart'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
OCT 11
MAY 15
Common questions
When can I sow radish outdoors in Hobart?
Direct-sow around mid September (Sep 13–Oct 4) in Hobart, based on its local frost dates. Confidence 81%.
When will radish be ready to harvest in Hobart?
Expect to harvest from around early October (Oct 8–Oct 13) in Hobart, based on its local frost dates. Confidence 73%.
Can I plant radish in autumn in Hobart?
Yes — Hobart supports a second, autumn sowing of radish around late March (Mar 25–Apr 8), timed to mature before the first fall frost.
How long is the growing season in Hobart?
Hobart has roughly 227 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 Hobart's frost dates.
Confidence 81/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.