When to plant turnip in Spokane
Turnip is cold-hardy, so every date keys off Spokane's frost dates of Apr 30.
Step 1 · Sow
Direct sow outdoors
Apr 9 – Apr 30
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 19 – Jun 3
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jul 25 – Aug 8
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Sep 10 – Sep 25
Maturity window for the second sowing.
Window
Days to maturity
40 – 55 d
Spokane's 162-day season leaves this much room.
Turnip on Spokane'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 30
OCT 9
Common questions
When can I sow turnip outdoors in Spokane?
Direct-sow around early April (Apr 9–Apr 30) in Spokane, based on its local frost dates. Confidence 86%.
When will turnip be ready to harvest in Spokane?
Expect to harvest from around mid May (May 19–Jun 3) in Spokane, based on its local frost dates. Confidence 77%.
Can I plant turnip in autumn in Spokane?
Yes — Spokane supports a second, autumn sowing of turnip around late July (Jul 25–Aug 8), timed to mature before the first fall frost.
How long is the growing season in Spokane?
Spokane has roughly 162 frost-free days, which is enough time to grow turnip to maturity outdoors.
The rule of thumb
Sow turnip 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 Spokane's frost dates.
Confidence 86/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.