When to plant eggplant in Baltimore
Eggplant is frost-tender, so every date keys off Baltimore's last spring frost of Mar 21.
Step 1 · Sow
Start seeds indoors
Feb 3 – Feb 24
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
May 12 – Jun 2
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 21 – Aug 5
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 85 d
Baltimore's 249-day season leaves this much room.
Eggplant on Baltimore'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
MAR 21
NOV 27
Common questions
When will eggplant be ready to harvest in Baltimore?
Expect to harvest from around late July (Jul 21–Aug 5) in Baltimore, based on its local frost dates. Confidence 76%.
When should I start eggplant seeds indoors in Baltimore?
Start seeds indoors around early February (Feb 3–Feb 24) in Baltimore, based on its local frost dates. Confidence 80%.
When can I transplant eggplant outdoors in Baltimore?
Transplant outdoors around mid May (May 12–Jun 2) in Baltimore, based on its local frost dates. Confidence 81%.
How long is the growing season in Baltimore?
Baltimore has roughly 249 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 Baltimore's frost dates.
Confidence 84/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.