When to plant bush (snap) bean in Knoxville
Bush (snap) bean is frost-tender, so every date keys off Knoxville's last spring frost of Apr 8.
Step 1 · Sow
Direct sow outdoors
May 10 – May 31
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 29 – Jul 9
Picking runs until conditions turn against the crop.
Window
Days to maturity
50 – 60 d
Knoxville's 201-day season leaves this much room.
Bush (snap) bean on Knoxville'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 8
OCT 28
Common questions
When can I sow bush (snap) bean outdoors in Knoxville?
Direct-sow around early May (May 10–May 31) in Knoxville, based on its local frost dates. Confidence 86%.
When will bush (snap) bean be ready to harvest in Knoxville?
Expect to harvest from around late June (Jun 29–Jul 9) in Knoxville, based on its local frost dates. Confidence 80%.
How long is the growing season in Knoxville?
Knoxville has roughly 201 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 Knoxville's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.