When to plant carrot in Christchurch
Carrot is cold-hardy, so every date keys off Christchurch's frost dates of Oct 16.
Step 1 · Sow
Direct sow outdoors
Sep 25 – Oct 16
Sow straight into warm, workable soil.
Step 2 · Harvest
Harvest window
Nov 24 – Dec 14
Picking runs until conditions turn against the crop.
Step 3 · Second sowing
Autumn / second sowing
Jan 11 – Jan 25
A second window for a fall crop, timed to mature before the first frost.
Step 4 · Second harvest
Autumn crop harvest
Mar 19 – Apr 8
Maturity window for the second sowing.
Window
Days to maturity
60 – 80 d
Christchurch's 211-day season leaves this much room.
Carrot on Christchurch'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
OCT 16
MAY 19
Common questions
When can I sow carrot outdoors in Christchurch?
Direct-sow around late September (Sep 25–Oct 16) in Christchurch, based on its local frost dates. Confidence 45%.
When will carrot be ready to harvest in Christchurch?
Expect to harvest from around late November (Nov 24–Dec 14) in Christchurch, based on its local frost dates. Confidence 40%.
Can I plant carrot in autumn in Christchurch?
Yes — Christchurch supports a second, autumn sowing of carrot around mid January (Jan 11–Jan 25), timed to mature before the first fall frost.
How long is the growing season in Christchurch?
Christchurch has roughly 211 frost-free days, which is enough time to grow carrot to maturity outdoors.
The rule of thumb
Sow carrot 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 Christchurch's frost dates.
Confidence 45/100 · Curated · based on NASA POWER (modeled) 1991–2020 · frost dates are probabilities, not guarantees.