When to plant kale in Overland Park

Kale is cold-hardy, so every date keys off Overland Park's frost dates of Apr 8.
Step 1 · Sow
Start seeds indoors
Feb 25 – Mar 18
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 18 – Apr 8
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 12 – Jun 1
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 23 – Aug 6
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 23 – Oct 13
Maturity window for the second sowing.
Window
Days to maturity
55 – 75 d
Overland Park's 200-day season leaves this much room.
Kale on Overland Park'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
APR 8
OCT 27

Common questions

When can I sow kale outdoors in Overland Park?

Direct-sow around mid March (Mar 18–Apr 8) in Overland Park, based on its local frost dates. Confidence 84%.

When will kale be ready to harvest in Overland Park?

Expect to harvest from around mid May (May 12–Jun 1) in Overland Park, based on its local frost dates. Confidence 76%.

When should I start kale seeds indoors in Overland Park?

Start seeds indoors around late February (Feb 25–Mar 18) in Overland Park, based on its local frost dates. Confidence 80%.

When can I transplant kale outdoors in Overland Park?

Transplant outdoors around mid March (Mar 18–Apr 8) in Overland Park, based on its local frost dates. Confidence 84%.

Can I plant kale in autumn in Overland Park?

Yes — Overland Park supports a second, autumn sowing of kale around late July (Jul 23–Aug 6), timed to mature before the first fall frost.

How long is the growing season in Overland Park?

Overland Park has roughly 200 frost-free days, which is enough time to grow kale to maturity outdoors.

The rule of thumb

Sow kale 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 Overland Park's frost dates.

Confidence 84/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.