When to plant potato in Knoxville
Potato is cold-hardy, so every date keys off Knoxville's frost dates of Apr 8.
Step 1 · Sow
Direct sow outdoors
Mar 25 – Apr 15
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Jun 3 – Jul 23
Picking runs until conditions turn against the crop.
Window
Days to maturity
70 – 120 d
Knoxville's 201-day season leaves this much room.
Potato 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
HARVEST
APR 8
OCT 28
Common questions
When can I sow potato outdoors in Knoxville?
Direct-sow around late March (Mar 25–Apr 15) in Knoxville, based on its local frost dates. Confidence 89%.
When will potato be ready to harvest in Knoxville?
Expect to harvest from around early June (Jun 3–Jul 23) 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 potato to maturity outdoors.
The rule of thumb
Sow potato as soon as the soil is workable — it tolerates cool weather and light frost. 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.