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When to plant cauliflower in Vancouver

Cauliflower is cold-hardy, so every date keys off Vancouver's frost dates of Mar 31.
Step 1 · Sow
Start seeds indoors
Feb 17 – Mar 10
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 17 – Apr 7
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 16 – Jun 10
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 13 – Jul 27
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 18 – Oct 13
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Vancouver's 221-day season leaves this much room.
Cauliflower on Vancouver'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
MAR 31
NOV 7

Common questions

When will cauliflower be ready to harvest in Vancouver?

Expect to harvest from around mid May (May 16–Jun 10) in Vancouver, based on its local frost dates. Confidence 76%.

When should I start cauliflower seeds indoors in Vancouver?

Start seeds indoors around mid February (Feb 17–Mar 10) in Vancouver, based on its local frost dates. Confidence 81%.

When can I transplant cauliflower outdoors in Vancouver?

Transplant outdoors around mid March (Mar 17–Apr 7) in Vancouver, based on its local frost dates. Confidence 85%.

Can I plant cauliflower in autumn in Vancouver?

Yes — Vancouver supports a second, autumn sowing of cauliflower around mid July (Jul 13–Jul 27), timed to mature before the first fall frost.

How long is the growing season in Vancouver?

Vancouver has roughly 221 frost-free days, which is enough time to grow cauliflower to maturity outdoors.

The rule of thumb

Sow cauliflower 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 Vancouver's frost dates.

Confidence 85/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.
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