When to plant bush (snap) bean in Baltimore
Bush (snap) bean is frost-tender, so every date keys off Baltimore's last spring frost of Mar 21.
Step 1 · Sow
Direct sow outdoors
Apr 30 – May 21
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 19 – Jun 29
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Baltimore's 249-day season leaves this much room.
Bush (snap) bean 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 can I sow bush (snap) bean outdoors in Baltimore?
Direct-sow around late April (Apr 30–May 21) in Baltimore, based on its local frost dates. Confidence 81%.
When will bush (snap) bean be ready to harvest in Baltimore?
Expect to harvest from around mid June (Jun 19–Jun 29) in Baltimore, based on its local frost dates. Confidence 76%.
How long is the growing season in Baltimore?
Baltimore has roughly 249 frost-free days, which is enough time to grow bush (snap) bean to maturity outdoors.
The rule of thumb
Sow bush (snap) bean 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.