When to plant kale in Fremont

Kale is cold-hardy, so every date keys off Fremont's frost dates of Feb 25.
Step 1 · Sow
Start seeds indoors
Jan 14 – Feb 4
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Feb 4 – Feb 25
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Mar 31 – Apr 20
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Aug 25 – Sep 8
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Oct 26 – Nov 15
Maturity window for the second sowing.
Window
Days to maturity
55 – 75 d
Fremont's 277-day season leaves this much room.
Kale on Fremont'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 25
NOV 29

Common questions

When can I sow kale outdoors in Fremont?

Direct-sow around early February (Feb 4–Feb 25) in Fremont, based on its local frost dates. Confidence 80%.

When will kale be ready to harvest in Fremont?

Expect to harvest from around late March (Mar 31–Apr 20) in Fremont, based on its local frost dates. Confidence 72%.

When should I start kale seeds indoors in Fremont?

Start seeds indoors around mid January (Jan 14–Feb 4) in Fremont, based on its local frost dates. Confidence 76%.

When can I transplant kale outdoors in Fremont?

Transplant outdoors around early February (Feb 4–Feb 25) in Fremont, based on its local frost dates. Confidence 80%.

Can I plant kale in autumn in Fremont?

Yes — Fremont supports a second, autumn sowing of kale around late August (Aug 25–Sep 8), timed to mature before the first fall frost.

How long is the growing season in Fremont?

Fremont has roughly 277 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 Fremont's frost dates.

Confidence 80/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.