When to plant eggplant in Birmingham
Eggplant is frost-tender, so every date keys off Birmingham's last spring frost of Apr 24.
Step 1 · Sow
Start seeds indoors
Feb 27 – Mar 20
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 8 – May 29
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 17 – Aug 1
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
Birmingham's 181-day season leaves this much room.
Eggplant on Birmingham'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 24
OCT 22
Common questions
When will eggplant be ready to harvest in Birmingham?
Expect to harvest from around mid July (Jul 17–Aug 1) in Birmingham, based on its local frost dates. Confidence 76%.
When should I start eggplant seeds indoors in Birmingham?
Start seeds indoors around late February (Feb 27–Mar 20) in Birmingham, based on its local frost dates. Confidence 80%.
When can I transplant eggplant outdoors in Birmingham?
Transplant outdoors around early May (May 8–May 29) in Birmingham, based on its local frost dates. Confidence 84%.
How long is the growing season in Birmingham?
Birmingham has roughly 181 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 Birmingham's frost dates.
Confidence 84/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.