When to plant basil in Sioux Falls
Basil is frost-tender, so every date keys off Sioux Falls's last spring frost of May 1.
Step 1 · Sow
Start seeds indoors
Apr 10 – May 1
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Jun 1 – Jun 22
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jul 31 – Aug 30
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 90 d
Sioux Falls's 153-day season leaves this much room.
Basil on Sioux Falls'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
MAY 1
OCT 2
Common questions
When can I sow basil outdoors in Sioux Falls?
Direct-sow around early June (Jun 1–Jun 22) in Sioux Falls, based on its local frost dates. Confidence 86%.
When will basil be ready to harvest in Sioux Falls?
Expect to harvest from around late July (Jul 31–Aug 30) in Sioux Falls, based on its local frost dates. Confidence 80%.
When should I start basil seeds indoors in Sioux Falls?
Start seeds indoors around early April (Apr 10–May 1) in Sioux Falls, based on its local frost dates. Confidence 85%.
When can I transplant basil outdoors in Sioux Falls?
Transplant outdoors around early June (Jun 1–Jun 22) in Sioux Falls, based on its local frost dates. Confidence 86%.
How long is the growing season in Sioux Falls?
Sioux Falls has roughly 153 frost-free days, which is enough time to grow basil to maturity outdoors.
The rule of thumb
Sow basil 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 Sioux Falls's frost dates.
Confidence 89/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.