When to plant broccoli in Arlington

Broccoli is cold-hardy, so every date keys off Arlington's frost dates of Apr 8.
Step 1 · Sow
Start seeds indoors
Feb 25 – Mar 18
Before your last frost, on a warm windowsill or heat mat.
Step 2 · Plant
Transplant outdoors
Mar 25 – Apr 15
Once frost risk has passed and nights stay mild.
Step 3 · Harvest
Harvest window
May 24 – Jun 18
Picking runs until conditions turn against the crop.
Step 4 · Second sowing
Autumn / second sowing
Jul 20 – Aug 3
A second window for a fall crop, timed to mature before the first frost.
Step 5 · Second harvest
Autumn crop harvest
Sep 25 – Oct 20
Maturity window for the second sowing.
Window
Days to maturity
60 – 85 d
Arlington's 206-day season leaves this much room.
Broccoli on Arlington'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
APR 8
NOV 3

Common questions

When will broccoli be ready to harvest in Arlington?

Expect to harvest from around late May (May 24–Jun 18) in Arlington, based on its local frost dates. Confidence 79%.

When should I start broccoli seeds indoors in Arlington?

Start seeds indoors around late February (Feb 25–Mar 18) in Arlington, based on its local frost dates. Confidence 84%.

When can I transplant broccoli outdoors in Arlington?

Transplant outdoors around late March (Mar 25–Apr 15) in Arlington, based on its local frost dates. Confidence 88%.

Can I plant broccoli in autumn in Arlington?

Yes — Arlington supports a second, autumn sowing of broccoli around mid July (Jul 20–Aug 3), timed to mature before the first fall frost.

How long is the growing season in Arlington?

Arlington has roughly 206 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 Arlington's frost dates.

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