When to plant cauliflower in Vancouver
Cauliflower is cold-hardy, so every date keys off Vancouver's frost dates of Mar 28.
Step 1 · Sow
Start seeds indoors
Feb 14 – Mar 7
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 14 – Apr 4
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 13 – Jun 7
Picking runs until conditions turn against the crop.
Window
Days to maturity
60 – 85 d
Vancouver's 222-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
FROST
FROST
MAR 28
NOV 5
Common questions
When will cauliflower be ready to harvest in Vancouver?
Expect to harvest from around mid May (May 13–Jun 7) in Vancouver, based on its local frost dates. Confidence 77%.
When should I start cauliflower seeds indoors in Vancouver?
Start seeds indoors around mid February (Feb 14–Mar 7) in Vancouver, based on its local frost dates. Confidence 82%.
When can I transplant cauliflower outdoors in Vancouver?
Transplant outdoors around mid March (Mar 14–Apr 4) in Vancouver, based on its local frost dates. Confidence 86%.
How long is the growing season in Vancouver?
Vancouver has roughly 222 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 86/100 · NOAA GHCN-Daily · 1991–2020 normals · frost dates are probabilities, not guarantees.