When to plant leek in Norfolk
Leek is cold-hardy, so every date keys off Norfolk's frost dates of Mar 13.
Step 1 · Sow
Start seeds indoors
Jan 2 – Jan 23
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Feb 27 – Mar 20
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 7 – Jun 27
Picking runs until conditions turn against the crop.
Window
Days to maturity
100 – 120 d
Norfolk's 262-day season leaves this much room.
Leek on Norfolk'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 13
NOV 24
Common questions
When will leek be ready to harvest in Norfolk?
Expect to harvest from around early June (Jun 7–Jun 27) in Norfolk, based on its local frost dates. Confidence 77%.
When should I start leek seeds indoors in Norfolk?
Start seeds indoors around early January (Jan 2–Jan 23) in Norfolk, based on its local frost dates. Confidence 82%.
When can I transplant leek outdoors in Norfolk?
Transplant outdoors around late February (Feb 27–Mar 20) in Norfolk, based on its local frost dates. Confidence 86%.
How long is the growing season in Norfolk?
Norfolk has roughly 262 frost-free days, which is enough time to grow leek to maturity outdoors.
The rule of thumb
Sow leek 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 Norfolk's frost dates.
Confidence 86/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.