When to plant cilantro / coriander in Fremont
Cilantro / Coriander is cold-hardy, so every date keys off Fremont's frost dates of Feb 25.
Step 1 · Sow
Direct sow outdoors
Feb 11 – Mar 4
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Mar 28 – Apr 22
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Aug 16 – Aug 30
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Oct 7 – Nov 1
Maturity window for the second sowing.
Window
Days to maturity
45 – 70 d
Fremont's 277-day season leaves this much room.
Cilantro / Coriander 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
FROST
FROST
FEB 25
NOV 29
Common questions
When can I sow cilantro / coriander outdoors in Fremont?
Direct-sow around mid February (Feb 11–Mar 4) in Fremont, based on its local frost dates. Confidence 80%.
When will cilantro / coriander be ready to harvest in Fremont?
Expect to harvest from around late March (Mar 28–Apr 22) in Fremont, based on its local frost dates. Confidence 72%.
Can I plant cilantro / coriander in autumn in Fremont?
Yes — Fremont supports a second, autumn sowing of cilantro / coriander around mid August (Aug 16–Aug 30), 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 cilantro / coriander to maturity outdoors.
The rule of thumb
Sow cilantro / coriander 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.