When to plant cauliflower in Newark
Cauliflower is cold-hardy, so every date keys off Newark's frost dates of Apr 3.
Step 1 · Sow
Start seeds indoors
Feb 20 – Mar 13
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Apr 6 – Apr 27
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
Jun 5 – Jun 30
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 19 – Aug 2
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 24 – Oct 19
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Newark's 223-day season leaves this much room.
Cauliflower on Newark'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
APR 3
NOV 11
Common questions
When will cauliflower be ready to harvest in Newark?
Expect to harvest from around early June (Jun 5–Jun 30) in Newark, based on its local frost dates. Confidence 77%.
When should I start cauliflower seeds indoors in Newark?
Start seeds indoors around mid February (Feb 20–Mar 13) in Newark, based on its local frost dates. Confidence 82%.
When can I transplant cauliflower outdoors in Newark?
Transplant outdoors around early April (Apr 6–Apr 27) in Newark, based on its local frost dates. Confidence 83%.
Can I plant cauliflower in autumn in Newark?
Yes — Newark supports a second, autumn sowing of cauliflower around mid July (Jul 19–Aug 2), timed to mature before the first fall frost.
How long is the growing season in Newark?
Newark has roughly 223 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 Newark's frost dates.
Confidence 86/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.