When to plant bush (snap) bean in Perth
Bush (snap) bean is frost-tender, so every date keys off Perth's last spring frost of Aug 1.
Step 1 · Sow
Direct sow outdoors
Aug 8 – Aug 29
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Sep 27 – Oct 7
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Perth's 343-day season leaves this much room.
Bush (snap) bean on Perth'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
AUG 1
JUL 10
Common questions
When can I sow bush (snap) bean outdoors in Perth?
Direct-sow around early August (Aug 8–Aug 29) in Perth, based on its local frost dates. Confidence 80%.
When will bush (snap) bean be ready to harvest in Perth?
Expect to harvest from around late September (Sep 27–Oct 7) in Perth, based on its local frost dates. Confidence 72%.
How long is the growing season in Perth?
Perth has roughly 343 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 Perth's frost dates.
Confidence 80/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.