When to plant broccoli in Huntsville

Broccoli is cold-hardy, so every date keys off Huntsville's frost dates of Mar 27.
Step 1 · Sow
Start seeds indoors
Feb 13 – Mar 6
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 13 – Apr 3
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 12 – Jun 6
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 21 – Aug 4
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 26 – Oct 21
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Huntsville's 228-day season leaves this much room.
Broccoli on Huntsville'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
MAR 27
NOV 4

Common questions

When will broccoli be ready to harvest in Huntsville?

Expect to harvest from around mid May (May 12–Jun 6) in Huntsville, based on its local frost dates. Confidence 79%.

When should I start broccoli seeds indoors in Huntsville?

Start seeds indoors around mid February (Feb 13–Mar 6) in Huntsville, based on its local frost dates. Confidence 84%.

When can I transplant broccoli outdoors in Huntsville?

Transplant outdoors around mid March (Mar 13–Apr 3) in Huntsville, based on its local frost dates. Confidence 88%.

Can I plant broccoli in autumn in Huntsville?

Yes — Huntsville supports a second, autumn sowing of broccoli around late July (Jul 21–Aug 4), timed to mature before the first fall frost.

How long is the growing season in Huntsville?

Huntsville has roughly 228 frost-free days, which is enough time to grow broccoli to maturity outdoors.

The rule of thumb

Sow broccoli 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 Huntsville's frost dates.

Confidence 88/100 · Curated · based on NOAA GHCN-Daily 1991–2020 normal · frost dates are probabilities, not guarantees.