When to plant eggplant in New Haven
Eggplant is frost-tender, so every date keys off New Haven's last spring frost of Apr 19.
Step 1 · Sow
Start seeds indoors
Mar 16 – Apr 6
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jun 9 – Jun 30
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Aug 18 – Sep 2
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
New Haven's 184-day season leaves this much room.
Eggplant on New Haven'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 19
OCT 19
Common questions
When will eggplant be ready to harvest in New Haven?
Expect to harvest from around mid August (Aug 18–Sep 2) in New Haven, based on its local frost dates. Confidence 75%.
When should I start eggplant seeds indoors in New Haven?
Start seeds indoors around mid March (Mar 16–Apr 6) in New Haven, based on its local frost dates. Confidence 79%.
When can I transplant eggplant outdoors in New Haven?
Transplant outdoors around early June (Jun 9–Jun 30) in New Haven, based on its local frost dates. Confidence 81%.
How long is the growing season in New Haven?
New Haven has roughly 184 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 New Haven's frost dates.
Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.