When to plant pole bean in Knoxville
Pole 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
Jul 9 – Jul 19
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 70 d
Knoxville's 201-day season leaves this much room.
Pole 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 pole 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 pole bean be ready to harvest in Knoxville?
Expect to harvest from around early July (Jul 9–Jul 19) 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 pole bean to maturity outdoors.
The rule of thumb
Sow pole 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.