When to plant bush (snap) bean in Tucson
Bush (snap) bean is frost-tender, so every date keys off Tucson's last spring frost of Feb 27.
Step 1 · Sow
Direct sow outdoors
Mar 24 – Apr 14
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
May 13 – May 23
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Tucson's 278-day season leaves this much room.
Bush (snap) bean on Tucson'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
FEB 27
NOV 27
Common questions
When can I sow bush (snap) bean outdoors in Tucson?
Direct-sow around late March (Mar 24–Apr 14) in Tucson, based on its local frost dates. Confidence 83%.
When will bush (snap) bean be ready to harvest in Tucson?
Expect to harvest from around mid May (May 13–May 23) in Tucson, based on its local frost dates. Confidence 75%.
How long is the growing season in Tucson?
Tucson has roughly 278 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 Tucson's frost dates.
Confidence 83/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.