When to plant kale in Stockton

Kale is cold-hardy, so every date keys off Stockton's frost dates of Feb 12.
Step 1 · Sow
Start seeds indoors
Jan 1 – Jan 22
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Dec 26 – Jan 16
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Feb 19 – Mar 11
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Aug 23 – Sep 6
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Oct 24 – Nov 13
Maturity window for the second sowing.
Window
Days to maturity
55 – 75 d
Stockton's 284-day season leaves this much room.
Kale on Stockton'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
FEB 12
NOV 27

Common questions

When can I sow kale outdoors in Stockton?

Direct-sow around late December (Dec 26–Jan 16) in Stockton, based on its local frost dates. Confidence 85%.

When will kale be ready to harvest in Stockton?

Expect to harvest from around mid February (Feb 19–Mar 11) in Stockton, based on its local frost dates. Confidence 79%.

When should I start kale seeds indoors in Stockton?

Start seeds indoors around early January (Jan 1–Jan 22) in Stockton, based on its local frost dates. Confidence 84%.

When can I transplant kale outdoors in Stockton?

Transplant outdoors around late December (Dec 26–Jan 16) in Stockton, based on its local frost dates. Confidence 85%.

Can I plant kale in autumn in Stockton?

Yes — Stockton supports a second, autumn sowing of kale around late August (Aug 23–Sep 6), timed to mature before the first fall frost.

How long is the growing season in Stockton?

Stockton has roughly 284 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 Stockton's frost dates.

Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.