When to plant cabbage in Spokane
Cabbage is cold-hardy, so every date keys off Spokane's frost dates of Apr 30.
Step 1 · Sow
Start seeds indoors
Mar 19 – Apr 9
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 9 – Apr 30
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 18 – Jul 18
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jun 10 – Jun 24
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Aug 26 – Sep 25
Maturity window for the second sowing.
Window
Days to maturity
70 – 100 d
Spokane's 162-day season leaves this much room.
Cabbage 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 will cabbage be ready to harvest in Spokane?
Expect to harvest from around mid June (Jun 18–Jul 18) in Spokane, based on its local frost dates. Confidence 77%.
When should I start cabbage seeds indoors in Spokane?
Start seeds indoors around mid March (Mar 19–Apr 9) in Spokane, based on its local frost dates. Confidence 82%.
When can I transplant cabbage outdoors in Spokane?
Transplant outdoors around early April (Apr 9–Apr 30) in Spokane, based on its local frost dates. Confidence 86%.
Can I plant cabbage in autumn in Spokane?
Yes — Spokane supports a second, autumn sowing of cabbage around early June (Jun 10–Jun 24), 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 cabbage to maturity outdoors.
The rule of thumb
Sow cabbage 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.