When to plant cauliflower in Hobart

Cauliflower is cold-hardy, so every date keys off Hobart's frost dates of Oct 11.
Step 1 · Sow
Start seeds indoors
Aug 30 – Sep 20
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Sep 27 – Oct 18
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Nov 26 – Dec 21
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jan 1 – Jan 15
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Mar 9 – Apr 3
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Hobart's 227-day season leaves this much room.
Cauliflower on Hobart'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
OCT 11
MAY 15

Common questions

When will cauliflower be ready to harvest in Hobart?

Expect to harvest from around late November (Nov 26–Dec 21) in Hobart, based on its local frost dates. Confidence 73%.

When should I start cauliflower seeds indoors in Hobart?

Start seeds indoors around late August (Aug 30–Sep 20) in Hobart, based on its local frost dates. Confidence 77%.

When can I transplant cauliflower outdoors in Hobart?

Transplant outdoors around late September (Sep 27–Oct 18) in Hobart, based on its local frost dates. Confidence 81%.

Can I plant cauliflower in autumn in Hobart?

Yes — Hobart supports a second, autumn sowing of cauliflower around early January (Jan 1–Jan 15), timed to mature before the first fall frost.

How long is the growing season in Hobart?

Hobart has roughly 227 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 Hobart's frost dates.

Confidence 81/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.