When to plant eggplant in Phoenix
Eggplant is frost-tender, so every date keys off Phoenix's last spring frost of Jan 27.
Step 1 · Sow
Start seeds indoors
Dec 16 – Jan 6
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 21 – Apr 11
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 30 – Jun 14
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
Phoenix's 314-day season leaves this much room.
Eggplant on Phoenix'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
JAN 27
DEC 7
Common questions
When will eggplant be ready to harvest in Phoenix?
Expect to harvest from around late May (May 30–Jun 14) in Phoenix, based on its local frost dates. Confidence 74%.
When should I start eggplant seeds indoors in Phoenix?
Start seeds indoors around mid December (Dec 16–Jan 6) in Phoenix, based on its local frost dates. Confidence 78%.
When can I transplant eggplant outdoors in Phoenix?
Transplant outdoors around late March (Mar 21–Apr 11) in Phoenix, based on its local frost dates. Confidence 80%.
How long is the growing season in Phoenix?
Phoenix has roughly 314 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 Phoenix's frost dates.
Confidence 82/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.