When to plant eggplant in Spokane
Eggplant is frost-tender, so every date keys off Spokane's last spring frost of Apr 30.
Step 1 · Sow
Start seeds indoors
Mar 17 – Apr 7
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jul 5 – Jul 26
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Sep 13 – Sep 28
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
Spokane's 162-day season leaves this much room.
Eggplant 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 eggplant be ready to harvest in Spokane?
Expect to harvest from around mid September (Sep 13–Sep 28) in Spokane, based on its local frost dates. Confidence 77%.
When should I start eggplant seeds indoors in Spokane?
Start seeds indoors around mid March (Mar 17–Apr 7) in Spokane, based on its local frost dates. Confidence 82%.
When can I transplant eggplant outdoors in Spokane?
Transplant outdoors around early July (Jul 5–Jul 26) in Spokane, based on its local frost dates. Confidence 83%.
How long is the growing season in Spokane?
Spokane has roughly 162 frost-free days, which is enough time to grow eggplant to maturity outdoors.
The rule of thumb
Sow eggplant 6–8 weeks before your last spring frost; plant out 2–3 weeks after it. 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.