When to plant radish in Jackson
Radish is cold-hardy, so every date keys off Jackson's frost dates of Mar 3.
Step 1 · Sow
Direct sow outdoors
Feb 3 – Feb 24
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Feb 28 – Mar 5
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Sep 30 – Oct 14
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Nov 1 – Nov 6
Maturity window for the second sowing.
Window
Days to maturity
25 – 30 d
Jackson's 267-day season leaves this much room.
Radish on Jackson'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 3
NOV 20
Common questions
When can I sow radish outdoors in Jackson?
Direct-sow around early February (Feb 3–Feb 24) in Jackson, based on its local frost dates. Confidence 82%.
When will radish be ready to harvest in Jackson?
Expect to harvest from around late February (Feb 28–Mar 5) in Jackson, based on its local frost dates. Confidence 74%.
Can I plant radish in autumn in Jackson?
Yes — Jackson supports a second, autumn sowing of radish around late September (Sep 30–Oct 14), timed to mature before the first fall frost.
How long is the growing season in Jackson?
Jackson has roughly 267 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 Jackson's frost dates.
Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.